Staff Profile

NameFUNAMIZU Naoyuki
AffiliationResearch Department
PositionProfessor
Year of Birth1953
Academic CareerDepartment of Sanitary Engineering, Hokkaido University (1976)
Graduate School of Engineering, Department of Sanitary Engineering, Hokkaido University, Master Course (1978)
Professional CareerAssistant Professor, Department of Sanitary Engineering, Hokkaido University (1978)
Associate Professor, Department of Sanitary Engineering, Hokkaido University (1989)
Visiting Fellow, Department of Civil and Environment Engineering, University of California, Davis (1995)
Associate Professor, Graduate School of Engineering, Hokkaido University (1997)
Professor, Graduate School of Engineering, Hokkaido University (2004)
Specially Appointed Professor, Graduate School of Global Food Resources, Hokkaido University (2017)
Higher DegreesDoctor of Engineering (Hokkaido University, 1986)
Fields of SpecializationSanitary Engineering
Academic Society MembershipsInternational Water Association
Japan Society of Civil Engineers
Japan Society on Water Environment
Japan Swage Works Association
Japan Water Works Association
The Engineering Academy of Japan
AwardsWRRS2005 The best poster award: "Toxicity assessment of the hydrophilic organic matter in the activated sludge decay process" (2005)
The second Manufacturing award (Excellence Award)"Development of Bio-Toilet" (2007)
Japan Society on Water Environment Best Paper Award: "Transformation and characterisation of dissolved organic matter during the thermophilic aerobic biodegradation of feces" (2008)
International Water Association Fellow (2010)
Japan Water Forum Toilet Award to change the world (2014)
Japan Society on Water Environment Achievement award (2014)
Best Presentation Award 9th IWA International Symposium on Waste Management Problems in Agro-Industries: "Effect of burned shell dosage on crystal species in synthetic cow urine(S. Kaneko, R. Ito, N. Funamizu" (2014)
Best Poster Award IWA Specialist conference on Nutrient Removal and Recovery "Water and Inorganic Nitrogen Components Movement in the Soil Column of Grain Sorghum" (Abukmeil Reem, Funamizu N.)(2015)
Japan Society on Water Environment Academic Award "Development of Wastewater Differentiable Onsite Treatment System" (2015)

 

Books

【Chapters/Sections】

Naoyuki Funamizu and Miguel Ángel López Zavala 2016,07 Composting Toilet for Sustainable Water Management. Huu Hao Ngo, Wenshan Guo, Rao Y. Surampalli; and Tian C. Zhang (ed.) Green Technologies for Sustainable Water Management. American Society of Civil Engineers, pp.903-954.

Kiyoaki Kitamura, Kingo Saeki and Naoyuki Funamizu 2013 Semi-decentralized recycling in megacities: the example of Tokyo Shinjuku Area. Valentina Lazarova (ed.) Milestones in Water Reuse. IWA Publishing , London, pp.147-159.

Katsuki Kimura, Naoyuki Funamizu, Yusuke Oi 2013 On-site water reclamation and reuse in individual buildings in Japan. Valentina Lazarova (ed.) Milestones in Water Reuse. IWA Publishing, London, pp.169-174.

Kiyoaki Kitamura, Kingo Saeki and Naoyuki Funamizu 2013 Restoration of environmental stream flows in megacities: the examples in the Tokyo Metropolitan Area. Valentina Lazarova (ed.) Milestones in Water Reuse. IWA Publishing, London, pp.263-272.

Naoyuki Funamizu, Takuya Onitsuka and Shigeki Hatori 2008 Water reuse in Japan. Blanca Jimenez (ed.) An International Survey Contrasts, issues and needs around the world. IWA Publishing, London, pp.373-386.

Naoyuki Funamizu, Xia Huang, G.H. Chen, Hu Jiangyong and C. Visvanathan 2008 Water Reuse Situation in Asia. Blanca Jimenez (ed.) Water Reuse: An International Survey Contrasts, issues and needs around the world. IWA Publishing, London, pp.142-160.

Hotta S, Ito R, Funamizu N 2008 Mass Balance In the Treatment of Blackwater with Mechanical Composting Toilet by Using Sawdust as a Matrix. Kuruvilla Mathew (ed.) Decentralised Water and Wastewater Systems. Water and Environmental Management Series. IWA Publishing, London, pp.119-124.

Kakimoto T, Funamizu N 2008 Effect of Antibiotics on the Aerobic Biodegradation of Feces in Composting Toilet. Kuruvilla Mathew (ed.) Decentralised Water and Wastewater Systems. Decentralised Water and Wastewater Systems. IWA Publishing, London, pp.125-132.

Naoyuki Funamizu, Yasumoto Magara 2004 RECLAIMED WATER AND HEALTH ISSUES. Encyclopedia of Life Support Systems (EOLSS), Developed under the Auspices of the UNESCO. Eolss Publishers, Oxford.  http://www.eolss.net

Naoyuki Funamizu, Yasumoto Magara 2004 CONJUNCTIVE USE OF WATER. Encyclopedia of Life Support Systems (EOLSS). Eolss Publishers, Oxford.  http://www.eolss.net

Naoyuki Funamizu, Morio Kanno, Tetsuo Takakuwa 2000 Measurement of Bacteria Growth Potential in a Reclaimed Water. I.Chorus (ed.) Reclaimed Water, Water, Sanitation and Health. World Health Organization Water Series. , WHO, pp.281-286.

N.Funamizu, T.Takakuwa 1999 Simulation Analysis of Operating Conditions for a Municipal Wastewater Treatment Plant At Low Temperatures. R.Margesin, F. Schinner (ed.) Biotechnological Applications of Cold Adapted Organisms. Springer Verlag, Berlin Heidelberg, pp.203-220.

R.H.Sakaji, N.Funamizu 1998 Microbial Risk Assessment and Its Role in the Development of Wastewater Reclamation Policy. T.Asano (ed.) Wastewater Reclamation and Reuse. Technomic Publishing Company, Inc., Lancaster, PA, USA, pp.705-756.

Editing

【Editing / Co-editing】

Yoshimasa Watanabe, Naoyuki Funamizu (ed.) 2003 Water resources and water supply in the 21st century. Hokkaido University Press, Sapporo,

Papers

【Original Articles】

Oishi W, Sano D,Decrey L, Kadoya S, Kohn T, Funamizu N 2017 Identification of the inactivating factors and mechanisms exerted on MS2 coliphage in concentrated synthetic urine. Science of the total environemnt 598:213-219. DOI:10.1016/j.scitotenv.2017.04.088 (reviewed).

Drissa Sangare , Boukary Sawadogo, Mariam Sou/Dakoure, Danielle M. Ouedraogo,Nowaki Hijikata, Hamma Yacouba, Lacina Coulibaly, and Naoyuki Funamizu 2017 Short Term Effects of Treated Greywater by High Rate Algal Ponds Process on Vegetable Yield and Soil Properties under Sudano-Sahelian Climate Conditions. Environmental Progress & Sustainable Energy. DOI:10.1002/ep.12658 (reviewed).

Oishi W, Sano D,Decrey L, Kadoya S, Kohn T, Funamizu N 2017 Identification of the inactivating factors and mechanisms exerted on MS2 coliphage in concentrated synthetic urine. Science of the total environemnt 598:213-219. DOI:10.1016/j.scitotenv.2017.04.088 (reviewed).

Ryusei Ito, Mei Tanie, Ken Ushijima, Dewi Nilawati, Neni Sintawardani,Naoyuki Funamizu 2017 Evaluation of acceptance of a composting toilet prototype for people in slum area in Indonesia, Desalination and Water Treatment. Desalination and Water Treatment. DOI:doi: 10.5004/dwt.2017.20880 (reviewed).

Funamizu N, Harada T, Watabe Y, Wachi E, Yoshida T 2016,09 Activity report of the Ishikari River basin area water and sanitation system Part 3. Suido Koron(9):46-51. (in Japanese)

Sossou SK, Sou/Dakoure M, Hijikata N, Maiga AM, Funamizu N 2016 Inactivation kinetics of indicator microorganisms during urea treatment for sanitizing compost from composting toilet. Journal of Water, Sanitation and Hygiene for Development 76(13):3838-3850. DOI:10.2166/washdev.2016.090 (reviewed).

Ito R, Fujioka M, Funamizu N 2016 Phosphorous recovery from urine based wastewater of cowshed. Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research), 72. (in Japanese) (reviewed).

Kabore S, Ito R, Funamizu N 2016 Reaction kinetics for the production of methylene urea from synthetic human urine. Journal of Environmental Chemical Engineering 4(2):2510-2517. DOI:10.1016/j.jece.2016.04.028 (reviewed).

Kabore S, Ito R, Funamizu N 2016 Effect of Formaldehyde/Urea ratio on production rate of Methylene Urea from Human urine. Journal of Water and Environment Technology 14(2):47-56. DOI:10.2965/jwet.15-016 (reviewed).

Sossou SK, Sou/Dakoure M, Hijikata N, Maiga AM, Funamizu N 2016 Inactivation kinetics of indicator microorganisms during solar heat treatment for sanitizing compost from composting toilet. Journal of Water and Environment Technology 14(2):37-46. DOI:10.2965/jwet.14-066 (reviewed).

Miguel Ángel López Zavala, Blanca Nelly Flores Arriaga, Naoyuki Funamizu 2016 Simultaneous Determination of Four Estrogens in Compost Based on Ultrasonic Solvent Extraction, Solid-Phase Extraction Clean-Up and Analysis by UHPLC-MS/MS. American Journal of Analytical Chemistry, 7:434-445. (reviewed).

Sossou SK, Gbedenudk, Konate Y, Sawadogo B, Ameyapih Y, Maiga AH, Funamizu N 2016 Damage mechanisms of pathogenic bacteria in drinking water during chlorine and solar disinfection. Int. J. Biol. Chem. Sci. 10(2):519-532. (reviewed).

Bradai, M , Han, J, El Omri, A,Funamizu N, Sayadi, S ,Isoda, H 2016 Effect of linear alkylbenzene sulfonate (LAS) on human intestinal Caco-2 cells at non cytotoxic concentrations. Cytotechnology 68(4):1267-1275. DOI:10.1007/s10616-015-9887-4 (reviewed).

Funamizu N 2016 Compost toilet for developing countries. Research on plumbing equipment 33(3):17-20. (in Japanese)

Ito R, Funamizu N 2016 Phosphate Recovery from synthetic Urine with shell of Mizuhopecten Yessoensis. Journal of Water and Environment Technology 14(6):437-446. (reviewed).

Hijikata N, Tezuka R, Kazama S, Otaki M, Ushijima K, Ito R, Okabe S, Sano D, Funamizu N 2016 Bactericidal and virucidal mechanisms in the alkaline disinfection of compost using calcium lime and ash. Journal of Environmental Management 181:721-727. DOI:10.1016/j.jenvman.2016.08.026 (reviewed).

Darimani HS, Ito R, Sou/Dakoure M, Funamizu N, Yacouba H, Maiga AH 2015 Design of Post-Treatment Unit for Compost from a Composting Toilet with Microbial Risk Assessment. Journal of Residual Science and Technology 12(2):43-51. (reviewed).

Tsutsui, Fujiwara, Inoue, Matsukawa, Ito, Funamizu 2015 Relationship between respiratory quotient, nitrification, and nitrous oxide emissions in a forced aerated composting process. Waste Management 42:10-16. (reviewed).

Fukahori S, Fujiwara T, Ito R, Funamizu N 2015 Sulfonamide antibiotic removal and nitrogen recovery synthesis process from synthetic urine by the combination of rotating advanced oxidation contactor and methylene urea. Water Science and Technology 72(2):238-244. DOI:10.2166/wst.2015.182 (reviewed).

Darimani HS, Ito R, Sossou SK, Funamizu N, Maiga AH 2015 Effect of Post-treatment Conditions on the Inactivation Rate of Pathogenic Bacteria after the Composting Process. Compost Science & Utilization 23:164-173. DOI:10.1080/1065657X.2015.1015082 (reviewed).

Ushijima K. Hijikata N. Tanaka E. Ito R. Suzuki Y. Funamizu N 2015 Grey Water Treatment by Slanted Soil System with Unsorted Soil Media. Environmental Technology 36(20):2603-2609. DOI:10.1080/09593330.2015.1040078 (reviewed).

Hijikata N, Yamauchi N, Ishiguro M, Ushijima K, Funamizu N 2015 Suitability of biochar as a matrix for improving the performance of composting toilets. Waste Management & Research 33(4):313-321. DOI:10.1177/0734242X15572179 (reviewed).

Sangare D, Sou/Dakourea M, Hijikata N, Lahmar R, Yacouba H, Coulibaly L, Funamizu N 2015 Toilet compost and human urine used in agriculture: fertilizer value assessment and effect on cultivated soil properties. Environmental Technology 36(10):1291-1298. DOI:10.1080/09593330.2014.984774 (reviewed).

Ushijima K., Funamizu N, Nabeshima T, Hijikata N, Ito R, Sou M, Maiga AM, Sintawardani N 2015 The Postmodern Sanitation - Agro-sanitation Business Model as a New Policy -. Water Policy 17(2):283-298. DOI:10.2166/wp.2014.093 (reviewed).

Charchalac Ochoa SI, Ushijima K, Hijikata N, Funamizu N 2015 Treatment of domestic greywater by geotextile filter and intermittent sand filtration bioreactor.. Journal of Water Reuse and Desalination 5(1):39-49. DOI:10.2166/wrd.2014.042 (reviewed).

Darimani HS, Ito R, Maiga Y, Sou M, Funamizu N, Maiga AH 2015 Effect of Post-treatment Conditions on the Inactivation of Helminth eggs (Ascaris suum)after the Composting Process. Environmental Technology. DOI:10.1080/09593330.2015.1092587 (reviewed).

Sawadogo B, Sangare D, Sou M, Hijikata N, Kabore YA, Maiga AH, Funamizu N 2015 Anaerobic effluent under the Sahelian climate. Caledonian Journal of Engineering 11(1):26-31. (reviewed).

Ushijima K, Funamizu N, Hijikata N, Ito R, Sintawardani N, Sou M and Maïga AH 2015 Agricultural Demand Driven Design of Resource Oriented Sanitation System – Cases of Burkina Faso and Indonesia,. Caledonian Journal of Engineering 11(1):21-25. (reviewed).

Ushijima K, Deguchi Y, Sintawardani N, Umi H and Funamizu N 2015 Marketability Evaluation of Human Excreta in Resource Oriented Sanitation System - Case of Urban Slum and Surrounded Farmland in Indonesia -. J. Japan Society of Water Policy and Integrated River Basin Management 3(1):15-22. (in Japanese) (reviewed).

Ji Z, Wang, X, Xu L, Zhang C, Funamizu N, Okabe S, Sano, D 2014 Estimation of Contamination Sources of Human Enteroviruses in a Wastewater Treatment and Reclamation System by PCR-DGGE. Food and Environmental Virology 6(2):99-109. DOI:10.1007/s12560-014-9140-x (reviewed).

Bradai M, Han, J, El Omri A, Funamizu N, Sayadi S, Isoda H 2014 Cytotoxic effect of linear alkylbenzene sulfonate on human intestinal Caco-2 cells: associated biomarkers for risk assessment. Environmental Science and Pollution Research 21(18):10840-10851. DOI:10.1007/s11356-014-3074-6 (reviewed).

Fredj FB, Wali A, Khadhraoui M, Han J, Funamizu N, Ksibi M, Isoda H 2014 Risk assessment of heavy metal toxicity of soilirrigated with treated wastewater using heat shock proteins stress responses: case of El Hajeb, Sfax, Tunisia. Environ Sci Pollut Res. DOI:10.1007/s11356-013-2411-5 (reviewed).

Sossou SK, Hijikata N, Sou M, Tezuka R, Maiga AH, Funamizu N 2014 Inactivation mechanisms of pathogenic bacteria in several matrixes during the composting process in a composting toilet. Environmental Technology 35(6):674-680. DOI:10.1080/09593330.2013.841268 (reviewed).

Sossou SK, Sou/Dakoure M, Hijikata N, Quenum A, Maiga AH, Funamizu N 2014 Removal and Deactivation of Intestinal Parasites in Aerobic Mesophilic Composting Reactor for Urine Diverting Composting Toilet. Composting Science and Utilization 22(4):242-252. DOI:10.1080/1065657X.2014.938873 (reviewed).

Sawadogo B, Sou M, Hijikata N, Sangare D, Maiga AH, Funamizu N 2014 Effect of detergents from grey water on irrigated plants: case of okra and lettuce. Journal of Arid Land Studies 24(1):117-120. (reviewed).

Maiga Y, Moyenga D, Nikiema BC, Ushijima K, Maiga AH, Funamizu N 2014 Designing slanted soil system for greywater treatment for irrigation purposes in rural area of arid regions. Environmental Technology 35(23):3020-3027. DOI:10.1080/09593330.2014.929180 (reviewed).

Ito R, Takahashi E, Funamizu N 2013 Production of slow-released nitrogen fertilizer from urine. Environmental Technology 34(20):2813-2820. DOI:10.1080/09593330.2013.790069 (reviewed).

Lopez Zavala, MA, Perez S, Belen L, Liliana RC, Funamizu N 2013 Pre-filtration for enhancing direct membrane filtration of graywater from washing machine discharges. ECOLOGICAL ENGINEERING 64:116-119. DOI:10.1016/j.ecoleng.2013.12.049 (reviewed).

Tsutsui H, Fujiwara T, Matsukawa K, Funamizu N 2013 Nitrous oxide emission mechanisms during intermittently aerated composting of cattle manure. BIORESOURCE TECHNOLOGY 141:205-211. DOI:10.1016/j.biortech.2013.02.071 (reviewed).

Pahore MM, Ushijima K, Ito R, Funamizu N 2012 Fate of nitrogen during volume reduction of human urine using an onsite volume reduction system. Environmental Technology 33(2):229-235. DOI:10.1080/09593330.2011.560192 (reviewed).

Pahore MM, Ito R, Funamizu N 2011 Performance evaluation of onsite volume reduction system with synthetic urine using water transport model. Environmental Technology 32(9):953-970. DOI:10.1080/09593330.2010.521954 (reviewed).

Guizani M, Dhahbi M, Funamizu N 2009 Survey on LPS Endotoxin in rejected water from sludge treatment facility. J. Environ. Monit 11(7):1935-1941. DOI:10.1039/b911165d (reviewed).

Guizani M, Dhahbi M, Funamizu N 2009 Assessment of endotoxin activity in wastewater treatment plants. J. Environ. Monit 11(7):1421-1427. DOI:10.1039/b901879d (reviewed).

Narita H, Abe J, Funamizu N, Takakuwa T, Kunimoto M 2007 Toxicity assessment of constituents in wastewater treatment plant using cultured human cell lines. Environmental Monitoring and Assessment 129:71-77. DOI:10.1007/s10661-006-9428-x (reviewed).

Al-Najar F, Funamizu N 2013 The Presence of Public Participation Approach Applied in Water Management in Jordan. Water Policy 15(6):1078-1093. (reviewed).

Sene M, Hijikata N, Ushijima K, Funamizu N 2013 Effects of extra human urine volume application in plant and soil. International Research Journal of Agricultural Science and Soil Science 3(6):182-191. (reviewed).

Sene M, Hijikata N, Ushijima K, Funamizu N 2013 Effects of continuous application of extra human urine volume on plan and soil. International Journal of Agricultural 3(3):75-90. (reviewed).

Ushijima K, Irie M, Sintawardani N, Triastuti J, Ishikawa T, Funamizu N 2013 Sustainable design of sanitation system based on material and value flow analysis for urban slum in Indonesia. Frontiers of Environmental Science and Engineering 7(1):120-126. (reviewed).

Ushijima K, Ito K, Ito R, Funamizu N 2013 Greywater Treatment By Slanted Soil System. Ecological Engineering 50:62-68. (reviewed).

Fukahori S, Fujiwara T, Funamizu N, Matsukawa K, Ito R 2013 Adsorptive removal of sulfonamide antibiotics in livestock urine using the high-silica zeolite HSZ-385. Wat.Sci.Tech. 67(2):319-325. (reviewed).

Al-NAJAR F, Funamizu N 2013 Preliminary Results on the Participatory Approach Practices Applied In Water Management in Jordan. Journal of Japan Society of Water Policy and Integrated River Basin Management 2(2):15-23. (reviewed).

Guizani M, Nogoshi Y, Fredj FB, Han J, Isoda H, Funamizu N 2012 Heat shock protein 47 stress responses in Chinese hamster ovary cells exposed to raw and reclaimed wastewater,. J. Environ. Monit 14:492-498. (reviewed).

Ushijima K, Hijikata N, Ito R, Funamizu N 2012 Effect Estimation of Dry-Toilet Application for Rural Farmer Family in Burkina Faso. Journal of Arid Land Studies 22(1):99-102. (reviewed).

Sene M, Hijikata N, Ushijima K, Funamizu N 2012 Adequate human urine application pattern for agriculture. International. Research. Journal of Agriculture Science and Soil Science 2(1):38-45. (reviewed).

Fukahori S, Fujiwara T, Ito R, Funamizu N 2012 Photocatalytic decomposition of crotamiton over aqueous TiO2 suspensions: Determination of intermediates and the reaction pathway. CHEMOSPHERE 89(3):213-220. (reviewed).

Fredja FB, Hana J, Irie M, Funamizu N, Ghrabi A, Isoda H 2012 Assessment of wastewater-irrigated soil containing heavy metals and establishment of specific biomarkers. Ecotoxicology and Environmental Safety 84:54-62. (reviewed).

Ji Z, Wang X, Zhang C, Miura T, Sano D, Funamizu N, Okabe S 2012 Occurrence of Hand-Foot-and-Mouth Disease Pathogens in Domestic Sewage and Secondary Effluent in Xi’an, China. Microbes Environ 27(3):288-292. (reviewed).

Helmy Q, Kardena E, Funamizu N, Wisjnuprapto 2011 Strategies toward Commercial Scale of Biosurfactant Production as Potential Substitute for It’s Chemically Counterparts. International Journal of Biotechnology 12:66-86. (reviewed).

Guizani M, Kato H, Funamizu N 2011 Assessing the removal potential of soil-aquifer treatment system (soil column) for endotoxin. J. Environ. Monit. 13(6):1716-1722. (reviewed).

Fukahori S, Fujiwara T, Ito R, Funamizu N 2011 pH-Dependent adsorption of sulfa drugs on high silica zeolite: modeling and kinetic study. Desalination 275(1-3):237-242. (reviewed).

Guizani M., Dhahbi M. and Funamizu N 2011 Characterization of endotoxic indicative organic matter (2-keto-3deoxyoctulosonic acid) in raw and biologically treated domestic wastewater. Water Research 45(1):155-162. (reviewed).

Pahore M, Ito R, Funamizu N 2010 Rational design of an onsite volume reduction system for source-separated urine. Environmental Technology 31(4):399-408. (reviewed).

Huelgas A, Nagata H, Funamizu N 2010 Flat-plate submerged membrane bioreactor for the treatment of higher-load graywater. Desalination 250:162-166. (reviewed).

Huelgas A, Nakajima M, Nagata H, Funamizu N 2009 Comparison between treatment of kitchen sink wastewater and mixture of kitchen sink and washing machine wastewaters. Environmental Technology 30(1):111-117. (reviewed).

Hotta S, Funamizu N 2009 Simulation of accumulated matter from human feces in the sawdust matrix of the composting toilet. Bio-resource technology 100(3):1310-1314. (reviewed).

Huelgas A, Nagata H, Funamizu N 2009 Effect of organic loading rate for onsite treatment of kitchen sink wastewater using subMBR. Environmental Engineering Science 26(1):15-23. (reviewed).

Funamizu N, Takenaka M, Han J, Talorete TPN, Isoda H 2008 Application of heat shock protein assay and proteome assay to water from wastewater treatment plant . Water Science and Technology 57(8):1183-1189. (reviewed).

Hotta S, Funamizu N 2008 Evolution of ammonification potential in storage process of urine with fecal contamination. Bioresource Technology 99(1):13-17. (reviewed).

Hotta S, Funamizu N 2008 Inhibition factor of ammonification in stored urine with fecal contamination. Water Science and Technology 58(6):1187-1192. (reviewed).

Han J, Takenaka M, Talorete TPN, Funamizu N, Isoda H 2007 Toxicity assessment of wastewater by proteomics analysis. Environmental Sciences 14:35-41. (reviewed).

Kakimoto T, Funamizu N 2007 Antibiotic effect of amoxicillin on the feces composting process and reactivation of bacteria by intermittent feeding of feces. BIORESOURCE TECHNOLOGY 98:3555-3560. (reviewed).

Hotta S, Noguchi T, Funamizu N 2007 Experimental study on nitrogen components during composting process of feces. Water Science and Technology 55(7):181-186. (reviewed).

Kakimoto T, Funamizu N 2007 Factors affecting the degradation of amoxicillin in composting toilet. CHEMOSPHERE 66:2219-2224. (reviewed).

Narita H, Talorete TPN, Han J, Funamizu N, Isoda H 2007 Human intestinal cells incubated with activated sludge and lipopolysaccharide express Hsp90b. Environmental Sciences 14(1):35-39. (reviewed).

Hotta S, Funamizu N 2007 Biodegradability of fecal nitrogen in composting process. BIORESOURCE TECHNOLOGY 98(17):3412-3414. (reviewed).

Oliveira-Esquerre KP, Narita H, Yamato N, Funamizu N, Watanabe Y 2006 Incorporation of the concept of microbial product formation into ASM3 and the modeling of a membrane bioreactor for wastewater treatment. Brazilian Journal of Chemical Engineering 23(4):461-471. (reviewed).

Kakimoto K, Imai Y, Funamizu N, Takakuwa T, Kunimoto M 2006 Toxicity assessment of the extract of compost as a final product from Bio-Toilet. Water Science and Technology 54(11-12):421-428. (reviewed).

Lopez Zavala MA, Funamizu N 2006 Design and operation of the bio-toilet system. Water Science and Technology 53(9):55-61. (reviewed).

Lopez Zavala MA, Funamizu N 2005 Effect of Moisture on the Composting Process in the Bio-Toilet System. Compost Science & Utilization 13:208-216. (reviewed).

Narita H, Isshiki I, Funamizu N, Takakuwa T, Nakagawa H 2005 Organic Matter released from Activated sludge Bacteria Cells during their Decay Process. Environmental Technology 26(4):433-440. (reviewed).

Lopez Zavala MA, Funamizu N, Takakuwa T 2005 Biological activity in the composting reactor of the bio-toilet system. BIORESOURCE TECHNOLOGY 96:805-812. (reviewed).

Narita H, Funamizu N, Takakuwa T 2005 Role of hydrophilic organic matter on developing toxicity in decay process of activated sludge. Water Science and Technology 52(8):63-70. (reviewed).

Narita H, Lopez Zavala MA, Iwai K, Ito R, Funamizu N 2005 Transformation and characterization of dissolved organic matter during the thermophilic aerobic biodegradation of faeces. Water Research 39(19):4693-4704. (reviewed).

Narita H, Ishiki I, Funamizu N, Takakuwa T 2005 Inert soluble organic matter in return flow from sludge treatment process and its control by coagulation. Environmental Engineering Science 22(5):689-698. (reviewed).

Lopez Zavala MA, Funamizu N, Takakuwa T 2004 Temperature effect on aerobic biodegradation of feces using sawdust as a matrix. Water Research 38(9):2406-2416. (reviewed).

Lopez Zavala MA, Funamizu N, Takakuwa T 2004 Modeling of aerobic biodegradation of feces using sawdust as a matrix. Water Research 38(5):1327-1339. (reviewed).

Funamizu N, Takakuwa T 2004 Mathematical model for describing reactions of residual chlorine with organic matter in reclaimed wastewater.. Water Science and Technology 50(2):195-201. (reviewed).

Funamizu N, Iwamoto T, Takakuwa T 2003 Decline of Residual Chlorine in Artificial Stream Flow Sustained by Reclaimed Wastewater: Field Study in Sapporo. Water Science and Technology 3(3):79-84. (reviewed).

Lopez Zavala MA, Funamizu N, Takakuwa T 2002 Onsite Wastewater Differentiable Treatment System: Modeling Aproach. Water Science and Technology 46(6-7):317-324. (reviewed).

Lopez Zavala MA, Funamizu N, Takakuwa T 2002 Characterization of feces for describing the aerobic biodegradation of feces. J. Environ. Syst. And Eng. JSCE(720/VII-25):99-105. (reviewed).

Funamizu N, Iida M, Sakakura Y, Takakuwa T 2001 Reuse of heat energy in wastewater: implementation examples in Japan. Water Science and Technology 43(10):277-286. (reviewed).

Funamizu N, Miyake N, Takakuwa T 2000 Effect of Variations in Flow Rate and Concentrations of Influent on Nitrogen Removal Performance of Aerobic-Anoxic-Aerobic Process. Water Science and Technology 42(3-4):35-41. (reviewed).

Research Presentations

【Oral Presentation】

Zorica Srdjevic, Naoyuki Funamizu, Bojan Srdjevic, Ratko Bajčetić Grounded Theory Methodology and Public Participation in Water Management. 10th World Congress on Water Resources and Environment “Panta Rhei”, 2017.07.05-2017.07.09, Athens.

Funamizu N Sanitation value chain: its concept and element technologies. RIHN 11th International Symposium Asia’s Transformations to Sustainability:Past, Present and Future of the Anthropocene, 2017.03.10-2017.03.11, Kyoto.

Yamauchi T, Ushijima K, Sintawardani N, Funamizu N Future Sanitation Based on the Insight and Participation of Children: A Collaboration between Schoolchildren in Indonesia and Japan. The 1st International Symposium on Green Technology for Value Chain 2016, 2016.10.03-2016.10.05, BSD, Indonesia.

K Ushijima, H Kobayashi, D Nilawati, J T Astuti, N Sitawardani, N Funamizu Visualization of Urban Metabolism for Designing Value Chain Improving Living Conditions in Urban Slum of Bandung City. 1st International Symposium on Green Technology for Value Chains 2016 , 2016.10.03-2016.10.05, Banten, Indonesia.

B.C.W. Nikiema, R. Ito, G. Mokhtar, N. Funamizu Hydrolysed urine concentration by forward osmosis: numerical modelling of water flux and nutrient concentration. the 13th IWA Specialized Conference on Small Water and Wastewater Systems (SWWS) & the 5th IWA Specialized Conference on Resources-Oriented Sanitation (ROS), 2016.09.14-2016.09.16, Athene, Greece.

T. Maeda, B. Nikiema, C. Wind-Yam, G. Mokhtar, R. Ito, N. Funamizu Urine concentration by forward osmosis process. the 13th IWA Specialized Conference on Small Water and Wastewater Systems (SWWS) & the 5th IWA Specialized Conference on Resources-Oriented Sanitation (ROS), 2016.09.14-2016.09.16, Athene, Greece.

R. Ito, M. Tanie, K. Ushijima, D. Nilawati, J. Triastuti, N. Sintawardani N. Funamizu Evaluation of a composting toilet prototype for people in slum area in Indonesia. he 13th IWA Specialized Conference on Small Water and Wastewater Systems (SWWS) & the 5th IWA Specialized Conference on Resources-Oriented Sanitation (ROS), 2016.09.14-2016.09.16, Athene, Greece.

R Ito, S. Kaneko, N Funamizu Recovery of phosphate from human urine by shell particles of Mizuhopecten yessoensis. the 13th IWA Leading Edge Conference on water and wastewater technologies, 2016.06.13-2016.06.16, Jerez de la Frontera, Spain.

Guizani M, Funamizu N Use of Electro-adsorptive membranes to remove LPS endotoxin from reclaimed wastewater. 13th IWA leading edge conference on water and wastewater technologies, 2016.06.13-2016.06.16, Jerez de la Frontera.

Kabore Wendkouni John Steve, Ito R, Funamizu N Reaction Kinetics for the Production of Methylene-Urea from Human Urine. 13th IWA leading edge conference on water and wastewater technologies, 2016.06.13-2016.06.16, Jerez de la Frontera, Spain.

B.C.W. Nikiema, R. Ito, G. Mokhtar, N. Funamizu Prediction of water recovery during urine concentration by Forward Osmosis. the 13th IWA Leading Edge Conference on water and wastewater technologies, 2016.06.13-2016.06.16.

Oishi, W, Decrey L, Tezuka R, Sano D, Kohn T, Funamizu N Inactivation and damage to bacteriophage MS2 by ammonia in human excreta. 11th IWA Specialist Group Conference in Wastewater Pond Technologies, 2016.03.21-2016.03.23, Leeds University Business School, UK.

Ushijima K, Kobayashi H, Nilawati D, Putri A M H, Suminar M, Astuti J T, Sintawardani N, Funamizu N Local Value-Chain-Based Design of Sanitation System for Urban Slum in Bandung, Indonesia. Workshop on Roles of Value Chains of Biomass and Quality of Life in Sustainable Sanitation, 2016.03.21, Bandung, Indonesia.

Guizani M, Fujii T, Funamizu N Soil salinity control following urine use as a fertilizer in semi-arid land: case of Burkina Faso. Tunisian Japanese symposium on society, science and Technology TJASSST, 2016.02.23-2016.02.25, Tsukuba, Japan.

Guizani M, Kato H, Funamizu N Removal of LPS Endotoxin from reclaimed wastewater through adsorption using soil. 5th Maghreb conference on desalination and water treatment, 2015.12.21-2015.12.24, Hammamet, Tunisia.

Guizani M, Kato H, Funamizu N Long-term operation (2 years) of soil aquifer treatment system for LPS endotoxin removal. The 2015 International Workshop on Occurrence and Control of Tastes, Odours, and Algal Toxins in Waters, 2015.10.29-2015.11.01, Xiamen, China.

Kabore S. Ito R. Funamizu N Effect of formaldehyde / urea ratio on thermal properties of methylene urea from human urine. 5th International Dry Toilet Conference, 2015.08.19-2015.08.22, Tampere, Finland.

Ito R. Funamizu N Design of composting toilet for middle and low income countries –Survey in Indonesia and Zambia-. 5th International Dry Toilet Conference, 2015.08.19-2015.08.22, Tampere, Finland.

Kaneko S. Ito R. Funamizu N Phosphorous recovery from source-separated urine by using fixed bed column reactor with scallop shell; effect of HRT on recovery ration. 5th International Dry Toilet Conference, 2015.08.19-2015.08.22, Tampere, Finland.

H.S. Darimani, R. Ito, M. Sou/Dakoure, N. Funamizu, H. Yacouba, A.H. Maiga Microbial risk assessment associated with post-treatment of compost from the composting toilet. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

S. Kaneko, R. Ito, N. Funamizu Effect of burned shell dosage on crystal species in synthetic cow urine. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

N. Hijikata, R. Tezuka, S. Kazama, M. Ohtaki, D. Sano, K. Ushijima, R. Ito, S. Okabe, N. Funamizu: Adequate handling conditions of composting toilets using calcium lime and ash evaluated by microbiological safety of end product. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

K. Ushijima, N. Hijikata, E. Tanaka, N. Funamizu, R. Ito Grey water treatment by slanted soil system in terms of phytotoxicity. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

R. Abukmeil, T. Fujii, N. Funamizu Transportation water and inorganic nitrogen components in the soil column of grain sorghum. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

S. Kabore, R. Ito, N. Funamizu Effect of formaldehyde/urea ratio on production rate of methylene urea. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

T. Fujii, N. Hijikata, K. Ushijima, R. Ito, N. Funamizu Salt removal from urine fertilized agricultural fields by rainfall and plant uptake. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

D. Sangare, B. Sawadogo, M. Sou/Dakoure, N, Hijikata, D.M. Ouedraogo, H. Yaccouba, M. Takahashi, N. Funamizu Effects of greywater irrigation treated by high rate algal ponds on soil chemical properties and vegetable production in dry season of Soudano-Sahelian climate conditions. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

B. Sawadogo, D. Sangare, M. Sou, N. Hijiakta, Y.A. Kabore, A.H. Maiga, N. Funamizu Reuse of treated greywater for lettuce irrigation: effects on plant growth, yield and soil properties. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

S.K. Sossou, M. Sou/Dakooure, N. Hijikata, B. Kamdem Djmou, A.H. Maiga, N. Funamizu Maturity and hygienic quality of composts produced with various bulking agents in composting toilet for agriculture reuse. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

R. Ito, N. Funamizu Production of calcium phosphate on the shell particles of Mizuhopecten yessoensis in urine. 9th IWA International Symposium on Waste Management Problems in Agro-Industries, 2014.11.24-2014.11.26, Kochi.

R. Ito, K. Ushijima, K. Yabui, N. Hijikata, N. Funamizu Design of Composting Toilet Adapting to People in Burkina Faso. 3rd IWA Development Congress & Exhibition Catalysing Urban Water Transitions, October 2014.

Ohishi, W. and Funamizu N Inactivation of pathogenic bacteria in concentrated urine. The 4th Yound Professors and Students Sympojium, 2014.03.27, Xi'an, China.

Kaneko, S., Ito R. and Funamizu N Phosphorous recovery from separated urine with burned scallop shell. The 4th Yound Professors and Students Sympojium, 2014.03.27, Xi'an, China.

Hijikata N., Fujii T., Sangare D., Sou M., Ushijima K., Funamizu N. Salt monitoring and management for urine fertilization. Desert technology conference 11th, 2013.11.19-2013.11.22, San Antonio Texas USA.

K. Ushijima, R. Ito, N. funamizu Postmodern strategy for sustainable water and sanitation system. International symposium on how to establish sustainable society and risk management in the boreal coastal zone: biodiversity, sustainability, and ecosystem service, 2013.10.31-2013.11.01, Sapporo.

Hijikata N., Nakaoka E., Tanaka E., Ushijima K., Funamizu N. Impact of linear alkylbenzen sulfonate on plant growth assumed as greywater reuse for irrigation. . IWA Water Reuse, 2013.10.29-2013.10.30, Windhoek.

R. Ito, K. Ushijima, K. Yabui, N. Hijikata, N. Funamizu Design of Composting Toilet Adapting to People in Burkina Faso. 3rd IWA Development Congress & Exhibition Catalysing Urban Water Transitions, 2013.10.14-2013.10.17, Nairobi.

K. Ushijima, Y. Deguchi, H. Umi, M. Affendi, N. Sintawardani, J. Triastuti, N. Funamizu Acceptability of Resource Recycling Sanitation System in Light of Religious Context in Indonesia. 3rd IWA development congress & exhibition, 2013.10.14-2013.10.17, Nairobi.

Hijikata N., Kakimoto T., Miyai H. Funamizu N. Investigation into determination method of anti-malarial drugs in environmental water and soil.. SETAC Africa 6th, 2013.09.05-2013.09.09, Lusaka.

K. Ushijima, E. Tanaka, N. Hijikata, R.Ito, N. Funamizu, Y. Maïga, D. Moyenga and A. H. Maïga Design of Grey Water Treatment System for Agricultural Reuse. 7ème édition Journées scientifiques de 2iE, 2013.04.01-2013.04.05, Ouagadougou, Burkina Faso.

Nowaki HIJIKATA, Takashi KAKIMOTO, Hideaki MIYAI, and Naoyuki FUNAMIZU Investigation into determination method of anti-malarial drugs in environmental water and soil. SETAC Asia Pacific 2012, 2012.09.24-2012.09.27, Kumamoto.

Nowaki Hijikata, Emi Nakaoka, Abe Takayuki, Ken Ushijima, Naoyuki Funamizu Feasibility of greywater reuse for irrigation: the impact of laundry detergent and its surfactant on plant growth and symbiotic bacteria. SETAC Asia Pacific 2012, 2012.09.24-2012.09.27, Kumamoto.

Rui Tezuka, Nowaki Hijikata, Shinobu Kazama, Seyram K. Sossou, Naoyuki Funamizu Inactivation mechanism of pathogenic bacteria using lime and ash in composting toilet. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Ken Ushijima, Naoyuki Funamizu Value network design approach for sanitation system in developing countries - Lessons from two Japanese models. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Kenta Yabui, Ken Ushijima, Ryusei Ito, Naoyuki Funamizu Interface design of composting toilet to actual application to rural area of Burkina Faso. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Ryusei Ito, Ken Ushijima, Nowaki Hijikata, Naoyuki Funamizu Survey of sanitation conditions in Burkina Faso for design of toilet. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Moustapha Sene, Nowaki Hijikata, Ken Ushijima, Naoyuki Funamizu Effect of human urine application volume in Komatsuna growth. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Natsuru Yamauchi, Nowaki Hijikata, Ken Ushijima, Naoyuki Funamizu Effect on compost maturity by type of matrix and lime treatment after removal from composting toilet. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Nowaki Hijikata, Ken Ushijima, Ryusei Ito, Boukary Sawadogo, Naoyuki Funamizu Design of vegetable garden for income estimation toward to agro-sanitation business model, a case study in Burkina Faso. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Seyram K. Sossou, Rui Tezuka, Nowaki Hijikata, Naoyuki Funamizu Inactivation mechanisms of pathogenic bacteria in several matrixes during composting process in composting toilet. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Ai Hosokawa, Naoyuki Funamizu, Ryusei Ito, Ken Ushijima, Nowaki Hijikata, Mariam Sou, Amadou Hama Maïga Improving Sustainable Water and Sanitation systems in Sahel Region in Africa: Case of Burkina Faso. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Hideaki Miyai, Nowaki Hijikata, Takashi Kakimoto, Naoyuki Funamizu Investigation into determination method of anti-malarial drugs in agricultural soil assumed as human urine reuse. 4th International Dry Toilet Conference, 2012.08.22-2012.08.25, Tampere.

Ken Ushijima, Naoyuki Funamizu Resource oriented sanitation business model for urban slum and rural. 12th Science Council of Asia International Symposium, 2012.07.11-2012.07.12, Bogor.

Nowaki HIJIKATA, Emi NAKAOKA, Ken USHIJIMA, Naoyuki FUNAMIZU Continuous application impact of laundry detergent and liner alkylbenzen sulphonate contained in irrigation water on Komatsuna growth and nutrient quality. RECENT ADVANCES IN RESEARCH ON ENVIRONMENTAL TOXICOLOGY BY YOUNG RESEARCHERS FROM AFRICAN COUNTRIES AND JAPAN (The 5th International Symposium Program for Leading Graduate Schools), 2012.02.28, Sapporo.

Funamizu N, Sou M, Itoh R, Ushijima K, Hijikata N New Policy for Water and Sanitation System – Resources Oriented Sanitation System. 6ème Forum mondial de l’eau, 2011.12.20-2011.12.22, Ouagadougou.

Ushijima K, Irie M, Sintawardani N, Triastuti J, Ishikawa T, Funamizu N Sanitation Model for Urban Slum in Southeast Asia. 2nd IWA development congress & exhibition, 2011.11.21-2011.11.24, Kualalumpur.

Guizani Moktar and Naoyuki Funamizu Emergent contaminants in reclaimed wastewater: case of LPS endotoxin and potable reuse challenge. The 11th Tunisia –Japan Symposium on Society, Science & Technology, 2011.11.11-2011.11.15, Tunis.

Ryusei Ito, Ken Ushijima, Naoyuki Funamizu Design of composting toilet to be adapted by the people in Burkina Faso. The 8th International Symposium on Sustainable Sanitation Part II, 2011.11.01, Bandung.

Naoyuki Funamizu The Concept of Resources Oriented Sanitation System. THE 8TH INTERNATIONAL SYMPOSIUM ON SUSTAINABLE SANITATION, 2011.11.01, Bandung.

Ushijima K, Funamizu N, Irie M, Hamidah U, Triastuti J, Sintawardani N, Ishikawa T Benefit oriented analysis approach for sustainable sanitation system model of urban slum in Bandung. 8th International Symposium on Sustainable Water and Sanitation System, 2011.11.01, Bandung.

Hijikata, N., Nakaoka, E., Ushijima, K., Funamizu, N.: Short-term impact of washing detergent contained in irrigation water for Brassica rapa var. peruviridis on soil system. the 8th International Symposium on Sustainable Sanitation Part II, 2011.11.01, Bandung.

Ushijima K, Leray L, Hijikata N, Ito R, Funamizu N Materials and value flow analysis approach for designing resource recycling sanitation system – Case of rural model in Burkina Faso. 2nd Ameli-Eaur International Symposium on Sustainable Water and Sanitation System & 8th International Symposium on Sustainable Water and Sanitation System, 2011.10.28, Sapporo.

Sene, M., Hijikata, N., Ushijima, K., Funamizu, N Using Human urine as fertilizer for spinach cultivation: finding a better way for its application in soil . 2nd Ameli-Eaur International Workshop on Sustainable Water and Sanitation System & 8th International Symposium on Sustainable Water and Sanitation System Part I, 2011.10.28, Sapporo.

Hijikata, N., Yamauchi, N., Ushijima, K., Funamizu, N. Effect of bio-charcoal compost made by composting toilet for Brassica rapa var. peruviridis growth in pot cultivation. 2nd Ameli-Eaur International Workshop on Sustainable Water and Sanitation System & 8th International Symposium on Sustainable Water and Sanitation System Part I, 2011.10.28, Sapporo.

Ryusei Ito, Ken Ushijima, Naoyuki Funamizu Design of composting toilet to be adapted for the people in Burkina Faso. 2nd Ameli-Eaur International Workshop on Sustainable Water and Sanitation System & 8th International Symposium on Sustainable Water and Sanitation System Part I,, 2011.10.28, Sapporo.

Ushijima K, Yabui K, Hijikata N, Ito R and Funamizu N Development of self-buildable simple composting toilet. IWA aspire, 2011.10.02-2011.10.06, Tokyo.

Guizani Moktar and Naoyuki Funamizu: Endotoxin removal from wastewater by soil aquifer treatment for a sustainable water supply. 8th IWA international conference on water reclamation and reuse, 2011.09.26-2011.09.29, Barcelona.

Ryusei Ito, Naoyuki Funamizu Analysis of drying process for moisture control on composting reaction. IWA international conference, Cities of the future, 2011.09.15-2011.09.18, Xi’an.

Hijikata, N., Nakaoka, E., Sawadogo, B., Ushijima, K., Funamizu, N. Phytotoxicity assay of several gray waters for reuse as agricultural irrigation. IWA International Conference Cities of the Future, 2011.09.15-2011.09.18, Xi’an.

Ushijima K, Irie M, Sintawardani N, Triastuti J, Ishikawa T, Funamizu N Sustainable design of material flow for urban slum. IWA international conference, Cities of the future, 2011.09.15-2011.09.18, Xi’an.

Hijikata, N., Yamauchi, N., Yabui K., Ushijima, K., Funamizu, N. Characterization of several agricultural wastes as a matrix of composting toilet –from fecal degradation to reuse as a soil conditioner-. 8th IWA International Symposium on Waste Management Problems in Agro-Industries,, 2011.06.23, Cesme.

Ushijima K, Hijikata N, Ito R, Funamizu N Effect Estimation of Dry-Toilet Application for Rural Farmer Family in Burkina Faso. International Conference on Arid Land 1st / Desert Technology X, 2011.05.24-2011.05.28, Narita.

M.M. Pahore, R. Ito and N. Funamizu LONG TERM OPERATION OF ONSITE VOLUME REDUCTION SYSTEM TO EVLUATE WATER EVAPORATION EFFICIENCY OF THE GAUZE SHEET. 3rd International Congress Wastewater in Small Communities, 2011.04.25-2011.04.28, Sevilla.

Ryusei Ito, Eri Takahashi and Naoyuki Funamizu PRODUCTION OF SLOW-RELEASED NITROGEN FERTILIZER FROM URINE. 3rd International Congress Wastewater in Small Communities, 2011.04.25-2011.04.28, Sevilla.

K. Ushijima, K.Ito, R.Ito, N.Funamizu Graywater Treatement by Slanted Soil System. 3rd International Congress Wastewater in Small Communities, 2011.04.25-2011.04.28, Sevilla.

Ryusei ITO, Ynoussa MAIGA, Ken USHIJIMA, Franck LAKANNE, Masahiro TAKAHASHI, Mariam SOU, Nowaki HIJIKATA, Yacouba KONATE, Satoshi TAKIZAWA, Aude NANQUETTE, Takako NABESHIMA, Didier LECOMTE, Joseph Wethe, Naoyuki FUNAMIZU Improving Sustainable Water and Sanitation Systems in Sahel Region in Africa: Case of Burkina Faso. 2iE's Scientific Week - 6th Edition, 2011.04.04-2011.04.08, Ouagadougou.

H. Miyai, N.Hijikata, N.Funamizu Behavior urine origin hormones and pharmaceuticals in the irrigated soil. The Young Researchers and Students Symposium of NSFC-JST Joint Research Program, 2011.03.04, Xi’an.

K. Yabui, K.Ushijima, R.Itoh, N.Funamizu The study on the design of composting toilet's mixing device. The Young Researchers and Students Symposium of NSFC-JST Joint Research Program, 2011.03.04, Xi’an.

Muhammad Masoom Pahore and N.Funamizu Determination of saturated vapour pressure for design of an onsite volume reduction system using synthetic urine. The Young Researchers and Students Symposium of NSFC-JST Joint Research Program, 2011.03.04, Xi’an.

Y. Deguchi, K.Kakimoto, R.Itoh, N.Funamizu Inhibitory effects of uric acid during direct electrolysis of pharmaceuticals in urine. The Young Researchers and Students Symposium of NSFC-JST Joint Research Program, 2011.03.04, Xi’an.

Pahore Muhammad Masoom, Naoyuki Funamizu Assessment of water evaporation rate from the synthetic urine using the onsite volume reduction system for treatment of source-separated human urine. International Conference on Integrated Water Management, 2011.02.02-2011.02.05, Australia.

N. Funamizu New policy and technology for water and sanitation. 1st Ameli-Eaur International symposium on sustainable water and sanitation system & 7th International symposium on sustainable water and sanitation system, 2010.09.21-2010.09.23, Paris.

Mokhtar Guizani, Mahmoud Dhahbi and Naoyuki Funamizu Activated sludge treatment process and control of endotoxin. 44th annual conference of JSW, 2010.03.15-2010.03.17, Fukuoka.

Funamizu N. Key concept of the water and sanitation: Onsite wastewater differentiable treatment system. 1st workshop of “Ameli-Eaur” project, 2010.03.10, Ouagadougou.

Funamizu N. Compositing toilet: its functions and design procedure. International Conference on Sustainable Water infrastructure for Cities and Villages of the Future (SWIF2009), November 2009, Beijing.

Huelgas, A., Funamizu N. Performance of Membrane Bioreactor for Onsite Treatment of Higher-load Graywater. International Conference on Sustainable Water infrastructure for Cities and Villages of the Future (SWIF2009), November 2009, Beijing.

Mokhtar Guizani, Mahmoud Dhahbi and Naoyuki Funamizu Endotoxic active material in secondary treated water and reuse challenges. 7th IWA conference, 2009.09.20-2009.09.25, Brisbane.

Mokhtar Guizani, Nogoshi Yusuke, Ben Fredj Fahmi, Junkyu Han, Mitsuteru Irie Mahmoud Dhahbi, Hiroko Isoda and Naoyuki Funamizu, Lipopolysaccharide endotoxin (LPS) in domestic wastewater and stress response in Chinese hamster ovary cells (CHO). 21st Japanese Association for Animal Cell Technology, 2009.07.24-2009.07.25.

Itoh R., Funamizu N. Development of Low Cost Composting Toilet for Developing Countries. The symposium on water environment and water resource and the 6th international symposium on sustainable sanitation, 2008.09.29-2008.09.30, Changchun, China.

Muhammad Masoom, Funamizu N. Assessment of Mass Transfer Coefficient for Volume Reduction of Urine. The symposium on water environment and water resource and the 6th international symposium on sustainable sanitation, 2008.09.29-2008.09.30, Changchun, China.

Onoda Y. Funamizu N. The relationship between properties of pharmaceuticals and their degradability in composting toilet. The symposium on water environment and water resource and the 6th international symposium on sustainable sanitation, 2008.09.29-2008.09.30, Changchun, China.

A. Huelgas, N. Funamizu Performance of a Microfilter Membrane Bioreactor Treating Synthetic Higher-load Graywater. The symposium on water environment and water resource and the 6th international symposium on sustainable sanitation, 2008.09.29-2008.09.30, Changchun, China.

A. Huelgas, N. Funamizu Performance of a Microfilter Membrane Bioreactor Treating Higher-load Graywater. JSPS presents Sweden-Japan Joint Environment Colloquium I, “Sustainability of Natural Environment”, 2008.09.05, Stockholm.

A. Huelgas, N. Funamizu Effect of loading rate on degradation of LAS during treatment of higher-load graywater using subMBR. 8th Specialized Conference on Small Water and Wastewater Systems and 2nd Specialized Conference on Decentralised Water and Wastewater International Network, 2008.02.06-2008.02.09, Coimbatore, Tamil Nadu, India.

N.Funamizu Composting Toilet and its treatability of micro-pollutants. The 7th China-Japan Symposium on Water Environment, October 2007, Xi'an.

N.Funamizu, M.Takenaka, J.Han, T.P.N. Talorete, H.Isoda Application of heat shock protein assay and proteome assay to water from wastewater treatment plant. 6th IWA Specialist conference on wastewater reclamation and reuse for sustainability, October 2007, Antwerp, Belgium.

K.Kimura, D.Mikami, N. Funamizu Onsite wastewater reclamation and reuse in individual buildings in Japan. 6th IWA Specialist conference on wastewater reclamation and reuse for sustainability, October 2007, Antwerp, Belgium.

R.Ito, M.Yokota, N.Funamizu Reduction of electricity consumption of composting toilet. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

Y.Onoda, R.Ito, N.Sato, M.Ito, N.Funamizu Analytical development and monitoring of concentration of pharmaceuticals in bio-toilet compost. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

T.Kakimoto and N.Funamizu Effect of pH and temperature on the treatment of pharmaceuticals in composting toilet. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

X.Wang, C.Liang, P.Jin, Z. Li, N.Funamizu Laboratory study of urine hydrolysis and precipitation for N- and P-recovery enhanced by activated sludge. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

S.Hotta and N.Funamizu Model prediction of aerobic biodegradation of human feces in composting toilet with sawdust matrix. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

H.Wang, X.Wang, Y.Sun, Z.Li, T.Ishikawa, N.Funamizu Characteristics of sawdust as the matrix for bio-toilet and evaluation of its fertility. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

A Huelgas, M.Nakajima, N.Nagata, N.Funamizu Treatment of higher-load gray water using membrane bioreactor. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

Xianchan Wang, H.Wang, X.Liu, Z. Li, Y.Liu, T.Ishikawa, N.Funamizu Biological characteristics of a bio-composting reactor with batch-fed operation. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

Mitsumasa Yokota, Ryusei Itoh, Naoyuki Funamizu Creation of the innovating sustainable sanitation model in rural area Emergent evolution by wisdom based on water culture. 7th Conference of the Asian Council of Science, July 2007, Tokyo.

Aileen Huelgas, N.Funamizu Onsite treatment of kitchen sink wastewater using a submerged MBR. NOWRA’s First US International Program on Decentralized Systems Water for All Life, July 2007, Baltimore, USA.

T.Kakimoto and N.Funamizu Fate of blood lipid regulator and beta blocker in composting toilet. Advanced Sanitation Conference, June 2007, Aachen, Germany.

Naoyuki Funamizu, Yusuke Kikyo Direct filtration of wastewater from washing machine. Advanced Sanitation Conference, June 2007, Aachen, Germany.

S.Hotta, S.Amano, and N.Funamizu Migrations of compounds in source-separated urine by electro-dialysis. Advanced Sanitation Conference, June 2007, Aachen, Germany.

Yu Onoda, Shinya Hotta, Ryusei Itoh, Nobuyuki Sato, Mitsuaki Ito, Naoyuki Funamizu Analytical development of pharmaceuticals in bio-toilet compost usiung lquid chromatography- tandem mass spectrometry. the 4th International Symposium on Sustainable Sanitation, September 2006, Bandung.

Yusuke Ino, Ryusei Itoh, Naoyuki Funamizu Study of physical characterization of sawdust matrix for bio-toilet system. the 4th International Symposium on Sustainable Sanitation, September 2006, Bandung.

Takashi Kakimoto, Teruma Osawa, Naoyuki Funamizu Effect of antibiotics on the performance of composting toilet using sawdust as a matrix. The 4th International Symposium on Sustainable Sanitation, September 2006, Bandung.

Shinya Hotta, Ryusei Itoh, Naoyuki Funamizu Accumulation of input components for water, dry solids, carbon and nitrogen in practical operation of bio-toilet. the 4th International Symposium on Sustainable Sanitation, September 2006, Bandung.

Ryusei Itoh, Naoyuki Funamizu, M.Yokota nergy analysis of composting toilet from full scale demonstration project on onsite differentiable treatment system for annual operation. 4th International Symposium on Sustainable Sanitation, September 2006, Bandung.

Ryusei Itoh, Mii Fukuda and Naoyuki Funamizu Energy analysis of composting toilet from full scale demonstration project on onsite differentiable treatment system. Dry Toilet 2006, the 2nd international dry toilet conference, August 2006, Tampere.

Shinya Hotta and Naoyuki Funamizu Nitrogen recovery from feces and urine in urine diverting composting toilet system. Dry Toilet 2006, the 2nd international dry toilet conference, August 2006, Tampere.

Takashi Kakimoto and Naoyuki Funamizu Degradation of Amoxicillin in composting toilet. Dry Toilet 2006, the 2nd international dry toilet conference, August 2006, Tampere.

Shinya Hotta, Ryusei Itho, Naoyuki Funamizu Mass balance in the treatment of blackwater with mechnical composting toilet by using sawdust as a matrix. International conference on decentralized water and wastewater systems, 2006.07.09-2006.07.11, Fremantle.

Takashi Kakimoto and Naoyuki Funamizu Alleviation of the effect of antibiotics on the aerobic biodegradation of feces in composting toilet. International conference on decentralized water and wastewater systems, 2006.07.09-2006.07.11, Fremantle.

Aileen Huelgas, Hiroyuki Nagata, Naoyuki Funamizu Effect of organic loading rate on treatment of kitchen sink wastewater using subMBR. International conference on decentralized water and wastewater systems, 2006.07.09-2006.07.11, Fremantle.

Junkyu Han, Terence P.N. Talorete, Hiroko Isoda, Hiroaki Narita, Mikako Takenaka, Naoyuki Funamizu Protein expression by human intestinal epithelial cells in response wastewater and wastewater constituents. The 6th International Symposium on Advanced Environmental Monitoring, June 2006, Heidelberg.

S.Hotta, T.Noguchi, N.Funamizu Experimental study on nitrogen components during composting process of feces. Small water and wastewater systems 2006, 2006.03.07-2006.03.10, Mexico city.

Ryusei Ito, Mii Fukuda, Tomoaki Itayama, Masato Kiji, Mitsumasa Yokota and Naoyuki Funamizu A pilot study of the onsite wastewater differentiable treatment system in Chichibu sity, Japan. 9th international conference ECOSAN India, 2005.11.25-2005.11.26, Mumbai.

Shinya Hotta, Lopez Zavala Miguel Angel, Naoyuki Funamizu Black water treatment in composting by using saw dust as a matrix. 9th international conference ECOSAN India, 2005.11.25-2005.11.26, Mumbai.

Takashi Kakimoto, Teruma Osawa and Naoyuki Funamizu Treatment of pharmaceuticals at source using composting toilet for management of pharmaceuticals in water environment.. 9th international conference ECOSAN India, 2005.11.25-2005.11.26, Mumbai.

M.A.Lopez and N.Funamizu Design and operation of the bio-toilet system. the International Water Association Conference 2005, May 2005, Xi'an.

R. Ito and N.Funamizu Drying kinetics of sawdust for Bio-Toilet system. the International Water Association Conference 2005, May 2005, Xi'an.

S.Hotta, H.Narita, and N.Funamizu The basic study of the effect of feces contamination on urea hydrolysis. the International Water Association Conference 2005, May 2005, Xi'an.

M.A. Lopez Zavala and N. Funamizu A key unit element for achieving sustainability in the Onsite Wastewater Differenciable Treatment System. IWA Leading-Edge Conference on Sustainability, October 2004, Sydney.

I.Yamamoto,R.Itoh, J.Yamamoto, N.Sato, M.Itoh, N.Funamizu Analysis of estrogens in Bio-toilet system using liquid chromatography-tamdem mass spectrometry. The 2nd International Symposium on Sustainable Sanitation, September 2004, changchun.

M.A. Lopez Zavala and N. Funamizu he fate of nitrogen during the aerobic biodegradation of feces and urine. The 2nd International Symposium on Sustainable Sanitation, September 2004, Changchun.

H.Narita, N.Funamizu, T.Takakuwa and M.Kunimoto Toxicity assessment of the hydrophilic organic matter in the activated sludge decay process. The 2nd International Symposium on Sustainable Sanitation, September 2004, Changchun.

T.Kakimoto, Y.imai and N.Funamizu Application of bio-assay to the compost from Bio-Toilet. The 2nd International Symposium on Sustainable Sanitation, September 2004, Changchun.

S.Hotta, M.Terazawa and N.Funamizu Nitrogen losses from composting toilet using sawdust as matrix. The 2nd International Symposium on Sustainable Sanitation, September 2004, Changchun.

Hiroki Narita, Naoyuki Funamizu, Tetsuo Takakuwa, Manabu Kunimoto Role of hydrophilic organic matter on developing toxicity in decay process of activated sludge. 4th World Water Congress, September 2004, Marrakech.

M.A. Lopez Zavala, N. Funamizu and T. Takakuwa Nitrogen transformations in the composting reactor of the bio-toilet system. 4th World Water Congress, September 2004, Marrakech.

T. Kakimoto, Y. Imai, N. Funamizu, T. Takakuwa and M. Kunimoto Toxicity assessment of the extract of compost as a final product from Bio-Toilet. 4th World Water Congress, September 2004, Marrakech.

M. A. Lopez Zavala, M. Terazawa, N. Funamizu, T. Takakuwa Achievements on the Onsite Wastewater Differentiable Treatment System (OWDTS). IWA 6th Specialist conference on small water and wastewater systems and 1st international conference on onsite wastewater treatment and recycling, May 2004, Perth.

Hiroki Narita, Naoyuki Funamizu, Testuo Takakuwa Organic Matter Released From Activated Sludge Bacteria Cells During Their Decay Process. IWA Young researchers conference, March 2004, Netherlands.

Yasunori Ito, Naoyuki Funamizu Chemicals in Bio-toilet: Estrogen and Medicine. International Symposium on Sustainable Sanitation, November 2003, Nanjing.

Naoyuki Funamizu Development of Sustainable Sanitation System: CREST Research Project. International Symposium on Sustainable Sanitation, November 2003, Nanjing.

Miguel Angel Lopez Zavala and Naoyuki Funamizu Thermophilic aerobic biodegradation of organic matter. International Symposium on Sustainable Sanitation, November 2003, Nanjing.

Naoyuki Funamizu, Tetsuo Takakuwa Mathematical model for describing reactions of residual chlorine with organic matter in reclaimed wastewater. 4th International Conference on Wastewater Reclamation and Reuse, October 2003, Mexico city.

Hiroaki Narita, Naoyuki Funamizu, Tetsuo Takakuwa Behavior of inert soluble organic matter of return flow from sludge treatment process. 9th IWA Specialist Conference Design, Operation and Economics of Large Wastewater Treatment Plants, September 2003, Prague.

Miguel Angel Lopez Zavala, Naoyuki Funamizu, Tetsuo Takakuwa Moisture content effect on aerobic biodegradation of feces using sawdust as a matrix. Asian waterqual 2003, September 2003, Bangkok.

Sonoko Nakata, M. A. Lopez Zavala, Naoyuki Funamizu, M. Otaki, T. Takakuwa Temperature effect on pathogens decline in the bio-toilet system. Dry Toilet 2003, 1st International Dry-Toilet Conference, August 2003, Tampere.

Miguel Angel Lopez Zavala, Naoyuki Funamizu, Tetsuo Takakuwa Aerobic biodegradation of feces in the bio-toilet system. Dry Toilet 2003, 1st International Dry-Toilet Conference, August 2003, Tampere.

Miguel Angel Lopez Zavala, Naoyuki Funamizu, Tetsuo Takakuwa Temperature effect on aerobic biodegradation of feces using sawdust as a matrix. 2nd International Symposium on Ecological Sanitation, June 2003, Lubeck.

Naoyuki Funamizu, Miguel Angel Lopez Zavala, Tetsuo Takakuwa Characterization of organic matter in higher-load gray water. 2nd International Symposium on Ecological Sanitation, June 2003, Lubeck.

Miguel Angel Lopez Zavala, Naoyuki Funamizu, Tetsuo Takakuwa Onsite wastewater differentiable treatment system (OWDTS): an ecological sanitation alternative for developing countries. 28th Inter-American Congress of Sanitary and Environmental Engineering, 2002, Cancun.

Sonoko Nakata, Lopez Zavala Miguel Angel, Naoyuki Funamizu, Tetsuo Takakuwa Temperature effect on pathogens decline on aerobic biodegradation of feces in the bio-toilet system using sawdust as an artificial soil matrix. International Symposium Biomass Waste Treatment, 2002, Sapporo.

Naoyuki Funamizu, Lopez Zavala Miguel Angel, Tetsuo Takakuwa Gray-water treatment in the differentiable onsite-wastewater treatment system. 28th Inter-American Congress of Sanitary and Environmental Engineering, 2002, Cancun.

【Invited Lecture / Honorary Lecture / Panelist】

Funamizu N Sanitation Value Chain. 5th Annual research symposium, JSPS Alumni Association in Philippine, 2017.07.12, Manila.

Funamizu N Resources oriented sanitation: its concept and element technologies. Special Lecture at De La Salle University, Japanese Professors Dispatch Program 2016, ASEAN University Network / Southeast Asia Engineering Education Development Network, 2017.02.20, Manila.

Funamizu N The sanitation value chain: Its concept and new research collaboration project. International Symposium on Green Technology for Value Chains 2016, 2016.10.04, Indonesian Convention Exhibition, Banten, Indonesia.

Funamizu N Improving Sustainable water and sanitation systems in Sahel Region in Africa: Global expansion of smart water treatment system for sustainable water management. Locally-fitted, compact and decentralized water treatment and management technologies for Asia and Africa, 2015.12.05, Lalitpur, Nepal.

Funamizu N Agro-Sanitation: Its element technologies and business model – Our Experiences in Burkina Faso. 5th International Dry Toilet Conference, 2015.08.19-2015.08.22, Tampere, Finland.

Funamizu N Improving Water and Sanitation System in Sahel region - Sustainable Agro-Sanitation Model in Burkina Faso. Side Event at the 7th World Water Forum Solution for water challenges of non-urban area with simple and low-cost technologies (SE0089), 2015.04.15, Teague.

Funamizu N Sustainable Water and Wastewater Technologies. World Water Day, 2015.03.15, Amman, Saudi Arabia.

Funamizu N Resources Oriented Agro-Sanitation, -its concepts and technologies. Africa Water Forum, 2014.06.12-2014.06.14, Ouagadougou, Burkina Faso.

Funamizu N Agro-sanitation system for effective use of water and nutrients: Case rural area in Burkina Faso. 9th IWA international conference on water reclamation and reuse, 2013.10.28-2013.10.29, Wined hock, Namibia.

Funamizu N Decentralized water and resource recovery technology and agriculture: Project in Burkina Faso. TICAD V OFFICIAL SIDE EVENT BY HOKKAIDO UNIVERSITY, 2013.06.03, Yokohama.

Funamizu N Sustainable Sanitation. 5th Regional Conference on Global Environment, 2012.11.21-2012.11.22, Bandung, Indonesia.

Funamizu N Resources oriented sanitation system for those areas where economic and technical limitations & Fukushima lessons. Safe and Sustainable Sanitation Workshop, 2012.08.20-2012.08.22, Tampere, Finland.

Funamizu N Base of Pyramid Innovation for the Cleaner Greener Sahel Region. Global Innovation Summit, 2012.07.17-2012.07.20, San Jose , U.S.A.

Funamizu N Resources oriented sanitation system and its technologies. International Conference on Sustainability Science in Asia, ICSS-Asia 2012, 2012.01.11-2012.01.13, Bali, Indonesia.

Funamizu N Resources oriented sanitation system and its technologies. International Conference on Sustainability Science in Asia, ICSS-Asia 2012, 2012.01.11-2012.01.13, Bali, Indonesia.

Funamizu N Resources oriented sanitation system and its technologies. International Conference on Sustainability Science in Asia, ICSS-Asia 2012, 2012.01.11-2012.01.13, Bali, Indonesia.

Funamizu N Water problem solution for developing countries through Appropriate Technology : -Lessons from JICA's activities. International Conference on Appropriate Technology, 2011.12.02, Seoul National University, Korea.

Funamizu N New Policy for Water and Sanitation System – Resources Oriented Sanitation System. The 4th ETMC 2011 “Present and Future Challenges in Environmental Sustainability”, 2011.11.03-2011.11.04, Bandung (Indonesia).

Funamizu N, Ushijima K Resources Oriented Sanitation System for those area where Economic and Technical Limitations. Inter-country workshop on sanitation in cold climate countries, 2011.10.20-2011.10.21, Ulaanbaatar, Mongol.

Ushijima K, Funamizu N Sanitation system in cold climate region - Current practice and research work in Hokkaido, Japan. Inter-country workshop on sanitation in cold climate countries, 2011.10.20-2011.10.21, Ulaanbaatar, Mongol.

Funamizu N Resources Oriented Sanitation System for those Area where Economic and Technical Limitations. 3rd International Congress Wastewater in Small Communities, 2011.04.25-2011.04.28, Sevilla, Spain.

Funamizu N Resources Oriented Sanitation System Based on the Concept “Don’t Mix” and “Don’t Collect” Wastewater. 3rd Regional Conference on Chemical Engineering, AUN/SEED-Net: Leading the Frontiers in Chemical Engineering Research and Development in the ASEAN Region, 2011.01.20-2011.01.21, EDSA Shangri-la Hotel .

Funamizu N Composting Toilets and sanitation research in Hokkaido University. Invited Lecture at TAMK, Finland, 2010.03.15, Tampere, Finland.

Funamizu N Japan’s Role in International Development Cooperation for Water Management. Sustainability Weeks 2009 Opening Symposium ——— International Symposium on Sustainable Development -Recommendations for Tackling the 5 Challenges of Global Sustainability-, 2009.11.02, Sapporo.

Funamizu N Current Status of Wastewater Technologies for Small Communities in Japan. International Conference on Sustainable Water infrastructure for Cities and Villages of the Future (SWIF2009), November 2009, Beijing, China.

Funamizu N New concept for wastewater management: “Don’t mix” and “Don’t collect” wastewater. Special lecture in 2iE at Burkina Faso, October 2009, Ouagadougou, Burkina Faso.

Funamizu N International Research Collaboration Project on water and sanitation system based on the concept: “Don’t mix” and “Don’t collect” wastewater. International conference on waste and biomass residues valorization in developing countries, 2009.07.09-2009.07.11, Ouagadougou, Burkina Faso.

Funamizu N The Concept on wastewater management: “Don’t Mix” and “Don’t collect” and its application to water management. Science Council Asia, June 2009, Singapore.

Funamizu N The Concept and its application to wastewater management: “Don’t Mix” and “Don’t collect”. The symposium on water environment and water resource and the 6th international symposium on sustainable sanitation, 2008.09.29-2008.09.30, Changchun, China.

Funamizu N The Concept on wastewater management: “Don’t Mix” and “Don’t collect” and its application to water management. JSPS presents Sweden-Japan Joint Environment Colloquium I, “Sustainability of Natural Environment”, 2008.09.05, Stockholm, Sweden.

Funamizu N Low cost composting toilet for slum area in Asian countries. the 8th Science Council of Asian Conference, 2008.05.27-2008.05.30, Qingdao (China).

Funamizu N Biotech in wastewater treatment. AQUATECH CHINA, 2008.05.21-2008.05.22, Shanghai China.

Funamizu N Recycling resources in wastewater based on the concept: "don't mix" and "don't collect” wastewater. International Symposium and Exhibition on Sustainable Sanitation, 2008.05.18, Xi’an .

Funamizu N Development of Sustainable Sanitation system and its implementation to Asian countries. International Conference on Advances in Chemical Technologies for Water and Wastewater Treatment, 2008.05.15-2008.05.18, Xi’an China.

Funamizu N Sustainable Sanitation System based on the concept: “don’t collect” and “don’t mix” wastewater. Asian Science and Technology Seminar (ASTS) in Thailand "Appropriate, Promising technologies toward Sustainable Water Cycle in Asia: International R&D themes for safety water", 2008.03.09-2008.03.11, Bangkok, Thailand.

Funamizu N Development of Sustainable Sanitation System: How can we contribute to MDGs?. The 2nd International Forum of Water Environment Partnership in Asia, December 2007, Beppu, Japan.

Funamizu N What we have established in the CREST project ? and what we should do next ?. The 5th International Symposium on Sustainable Sanitation, September 2007, Tokyo.

Funamizu N Degradation of pharmaceuticals in the composting toilet. Environmental risk assessment of human and veterinary medicines, September 2007, Berlin, Germany.

Funamizu N Development of Sustainable Sanitation System and Its Implementation to Asian Countries. 7th Conference of the Asian Council of Science, 2007, Naha, Japan.

Ito R, Funamizu N. Experimental application of sustainable sanitation system in Japan. 7th Conference of the Asian Council of Science, 2007, Naha, Japan.

Funamizu N Current Status and Research Activities of Wastewater Technologies for Small Communities in JAPAN. 2nd International Congress on Wastewater Treatment in small communities, SmallWat07, 2007, Seville, Spain.

Funamizu N Development of Sustainable Sanitation System and Its Implementation to Asian Countries. 3rd South east Asian Water Forum, 2007, Kuala Lumpur, Malaysia.

Funamizu N The recent development of biological process for decentralized wastewater treatment system. Environmental technology and management conference 2006, September 2006, Bandung, Indonesia.

Funamizu N Function of Composting Toilet and Its Design. the 4th International Symposium on Sustainable Sanitation, September 2006, Bandung.

Funamizu N Dry Toilet: An important system for controlling micro-pollutants from our daily life. the 2nd international dry toilet conference, August 2006, Tampere, Finland.

Funamizu N Composting toilet: its functions and design. International conference on decentralized water and wastewater systems, 2006.07.09-2006.07.11, Fremantle, Australia.

Funamizu N Development of Sustainable sanitation system and its implementation to Asian Countries: Interdisciplinary research project. International East Asia Regional Workshop of International Academy Panel (IAP) on the water security to climate change and human activity, 2006.06.12-2006.06.15, Beijing, China.

Funamizu N Development of sustainable sanitation system: how can we contribute to achieving MDGs. 6th Conference of the Asian Council of Science, April 2006, Delhi, India.

Funamizu N Developing Sustainable Sanitation System based on the concept: “don’t collect” and “don’t mix” wastewater,. East South Asian Water Forum, 2005.09.01, Bali, Indonesia.

Funamizu N Sustainable Sanitation: emerging issue around the world. National Environmental Engineering Seminar, Indonesia, 2005.08.01, Bandung Indonesia.

Funamizu N Development of sustainable sanitation system and its implementation to Asian countries – an interdisciplinary research project. IWA Conference Xi’an 2005, Future of Urban Wastewater Systems – Decentralization and Reuse, 2005.05.18-2005.05.20, Xi’an, China.

Funamizu N A key technology for sustainable sanitation. Water Supply, Sanitation and Health. Commission on Sustainable Development, 12th Session, UN Department of Economic and Social Affair, 2004.04.27, NewYork.

Funamizu N Recycling human waste and its technology. International Symposium on Toilet and Water Cycle, Sessions of the 3rd World Water Forum, 2003, Kyoto.

Naoyuki Funamizu and M.Ogoshi Reuse of water and heat energy in wastewater in Japan. The 21st Century International Conference & Exhibition on Developing Strategy of Urban Wastewater Treatment and Reuse, 2001, Beijing.