Research field (1):
Civil engineering (environmental systems)
Research keywords (4):
水環境・下水道の水質管理
, 下水汚泥処理
, 地域バイオマス
, 下水処理施設の腐食・劣化対策
Research theme for competitive and other funds (3):
2016 - 2022 下水道施設を核とした資源・エネルギー有効利用に関する研究
2009 - 2010 担体による都市河川の藻類抑制技術
Understanding of behavior of nutrients and trace chemicals in wastewater treatment processes and receiving waters
Papers (30):
Toyohisa MIYAMOTO, Yuji NAKAMURA, Masaki TAKAOKA, Ryusei ITO, Keishi T ANIFUJI, Toshiki KOBAYAS印, KenichiSHISHIDA, Yuji OKAY ASU. Characteristics of substances adhering on electric furnace walls during co-combustion of sewage sludge and plant biomass. Journal of Japan Sewage Works Association. 2024. 61. 745. 89-99
K. Sakurai, Y. Okayasu. Improvement of organic carbon recovery from wastewater by changing water temperature in high-rate contact stabilization process. International Journal of Environmental Science and Technology. 2024
Taku OMOTO, Toyohisa MIYAMOTO, Hiroyuki SHIGEMURA, Yuji OKAYASU. Extraction of factors affecting digestion gas generation and rate of change in Japan. Journal of Japan Sewage Works Assciation. 2023. 60. 731. 85-94
Keishi Tanifuji, Kensuke Toyohisa Toyohisa Miyamoto, Yuji Okayasu. Effect of Chemical Composition of Thermal Decomposition Behavior of Herbaceous Plants for Production of Plant-based Biochar for Storing Carbon in Soils. BioResources. 2023. 18. 3
Kensuke Sakurai, Yuji Okayasu. Methane Production from Sludge of High-Rate Contact Stabilization Process Through Anaerobic Digestion for Maximizing Energy Recovery. Proceedings of the Int'l Conference on Wider-Uptake of Water Resource Recovery from Wastewater Treatment, Palermo, June 2024. 2024. 58-62
The Effect of Stirring Method on Microalgae Cultivation Utilizing Anaerobic Digested Sludge Filtrate
(The 53th Annual Conference of Japan Society on Water Environment 2019 in Kofu 2019)
2019/04 - 2022/03 National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism Wastewater System Division, Water Quality Control Department Head
2015/06 - 2019/03 Public Works Research Institute Innovative Materials and Resources Research Center Senior Researcher
2013/04 - 2015/05 Ministry of Land, Infrastructure, Transport and Tourism Sewerage Planning Division, Sewerage and Wastewater Management Department, Water and Disaster Management Bureau
2010/04 - 2013/03 Shiga Prefectural Government Sewerage Division, Department of Lake Biwa and the Environment Senior Associate Director
2005/04 - 2010/03 Public Works Research Institute Water Quality Research Division Senior Researcher
2018/11 - EICA HIgher Heating Value of Microalgae Obtained by Subculture using Anaerobic Digested Sludge Filtrate
2017/07 - Japan Society on Water Environment WET Excellent Paper Award Applicability of mathematical model for biomass production by indigenous microalgae based on cultivation characteristics at different wastewater plants
Japan Society of Endocrine Disrupter Research
, THE SOCIETY OF ENVIRONMENTAL INSTRUMENTATION, CONTROL AND AUTOMATION
, JAPAN SOCIETY ON WATER ENVIRONMENT
, JAPAN SOCIETY OF CIVIL ENGINEERS