2016 - 2020 Decomposition and methanation of trapped SS components by anaerobic protozoa in UASBs of municipal sewage treatment
2016 - 2019 Development of novel nitrogen removal process from wastewater using denitrifying anaerobic methane oxidation reaction and investigation of microorganism involved in the reaction
2015 - 2017 Development of novel zero-GHG emission denitrifying process using denitrifying methane-oxidizing microorganisms.
2014 - 2017 Identification of mushroom gene involving in absorption and concentration of Cs, and development of innovative technology by the exploitation
2013 - 2016 High density cultivation of anaerobic protists in UASB reactors fed with domestic sewage
2010 - 2012 Fundamental study on measures of flood control considering groundwater recharge-Attempt utilizing regional characteristics-
2006 - 2007 Enhancement of Microbial Function for a Sulfur Redox Cycle Action in a Sewage Treatment Process Combining an UASB and an Aerobic Filter Reactor
2004 - 2006 Wastewater treatment under low temperature conditions by sulfur redox process and analyses of the biological consortia
2004 - 2005 Enhancement of Microbial Function for a Sulfur Redox Cycle Action in a Sewage Treatment Process Combining an UASB and an Aerobic Filter Reactor
2001 - 2003 Development of a energy-producing, high-rate wastewater treatment system, it is decreasing of production of greenhouse effect gas and excess sludge
Toru Miwa, Takahiro Watari, Shoichi Tokunaga, Nur Adlin, Masashi Hatamoto, Takeshi Yajima, Takashi Yamaguchi. Development of rainwater harvesting system using sponge-filled channel and gravity driven ceramic membrane with pre chlorination. Journal of Water Process Engineering. 2025. 71. 107247-107247
Kharisrama Trihatmoko, Takahiro Watari, Thu Huong Nguyen, Yuga Hirakata, Masashi Hatamoto, Made Tri Ari Penia Kresnowati, Tjandra Setiadi, Takashi Yamaguchi. Ethanol fermentation of tapioca wastewater in anaerobic baffled reactor: Performance evaluation and microbial community analysis. Bioresource Technology. 2025. 420. 132112-132112
Benjaphon Suraraksa, Nasrul Hudayah, Nimaradee Boonapatcharoen, Varunee Kongduan, Duanganong Phalaphol, Wantanasak Suksong, Kanthida Kusonmano, Morakot Tanticharoen, Kyohei Kuroda, Takashi Yamaguchi, et al. Establishment of syntrophic methanogenic consortia (SMC) in different sludges from various full-scale biogas plants using sodium propionate. Journal of Environmental Chemical Engineering. 2025. 115863-115863
Toru Miwa, Thu Huong Nguyen, Takahiro Watari, Masashi Hatamoto, Yamaguchi Takashi. Downflow hanging sponge (DHS) technology for wastewater treatment. Low Cost Water and Wastewater Treatment Systems: Conventional and Recent Advances. 2025. 135-152
Takahiro Watari, Masashi Hatamoto, Takashi Yamaguchi, Tsutomu Okubo, Vinay Kumar Tyagi. Sponge-based trickling filter for nitrogen removal: mechanism, application and prospects. Nutrients and Colored Compounds in Wastewater. 2025. 5-17
平片悠河, NOBU M., RAN M., 森永花菜, 玉木秀幸, MENG XY., 渡利高大, 幡本将史, 山口隆司. Cultivation of scavenger of prokaryotic cell in anaerobic environments. 日本水環境学会年会講演集. 2024. 58th
2018/09 - An annual excellent thesis prize (METAWOTA prize) Anaerobic Baffled Reactor in Treatment of Natural Rubber Processing Wastewater: Reactor Performance and Analysis of Microbial Community