With the aim of contributing to the development of new technologies related to johkasou, we subsidize the academic research and surveys that form the foundation.
Research projects eligible for grants are, in principle, research related to johkasou, such as the development of new technology related to johkasou, domestic wastewater treatment methods, and social scientific research.
The grant recipients must be researchers affiliated with educational institutions, national or public research institutes, JOHKASOU specified inspecting agencies, public interest or general corporations, etc. in Japan, and the period for research, etc. must, in principle, be such that the results of the research, etc. are obtained by the end of the fiscal year in which the grant is received.
However, the period may be extended if deemed necessary due to the content of the research, etc. and other circumstances.
The grant recipients must be researchers affiliated with educational institutions, national or public research institutes, JOHKASOU specified inspecting agencies, public interest or general corporations, etc. in Japan, and the period for research, etc. must, in principle, be such that the results of the research, etc. are obtained by the end of the fiscal year in which the grant is received.
However, the period may be extended if deemed necessary due to the content of the research, etc. and other circumstances.
- Grant amount
About 1,000,000 yen in the total number of adopted cases
- Grant achievements (Showa 62 to Reiwa ６)
717 applications
183 adopted
Call for applications for research grants related to Johkasou in FY2026
Since Showa 62, our education center has been subsidizing academic research and surveys that serve as the foundation for the development of new technologies related to johkasou.
For the fiscal year 2026, we will be accepting applications as follows: Guidelines for conducting research on johkasouPlease read the "Applicant's Guide to Research Grants" and understand the purpose of the grant before applying.
Johkasou specified inspecting agencies and Johkasou operation and maintenance companies are also encouraged to apply.
- Application procedure
１.Application method
The principal investigator must apply using the designated application form.
Please download the application documents from the <Application documents> below.
The principal investigator must apply using the designated application form.
Please download the application documents from the <Application documents> below.
２.Application deadline
Tuesday, March 31, 2026 *If you send by mail, the postmark on that day is valid
Tuesday, March 31, 2026 *If you send by mail, the postmark on that day is valid
３.Inquiry/Application Form Sending Address
Japan Education Center of Environmental Sanitation Information/IT Group
130-0024 ２－23－３ Kikugawa, Sumida-ku, Tokyo
TEL：03-3635-4884
E-mail: joho@jeces.or.jp *If applying by email, please write "Application for research grant" in the subject line.
130-0024 ２－23－３ Kikugawa, Sumida-ku, Tokyo
TEL：03-3635-4884
E-mail: joho@jeces.or.jp *If applying by email, please write "Application for research grant" in the subject line.
４.Purpose of use of personal information
Personal information (such as name, date of birth, address, and telephone number) collected through the application process for research grants related to Johkasou will not be used for any purpose other than the research grant program.
Personal information (such as name, date of birth, address, and telephone number) collected through the application process for research grants related to Johkasou will not be used for any purpose other than the research grant program.
Implementation procedure
Application documents
Research subsidies for the last 3 years
Year | Task | Representative researcher |
Reiwa ４ | Refinement of residents' communication structure model for the spread of johkasou aiming for a cyclical and symbiotic society | Masanobu Nagao |
Reiwa ５th year | Estimation of microplastic loads in rivers caused by johkasou treated water | Kenta Yamada |
Estimation of microplastic reduction by single-merger conversion with development of simple measurement method | Takumi Shiobara | |
Reiwa ６th year | Visualization of processing performance aimed at overseas expansion of small-scale Johkasou | Iori Mishima |
A study on social acceptability of food produced using irrigation water from agricultural village wastewater facilities | Shuhei Masuda |
Contact
Information/IT Group
Tel: 03-3635-4884 Fax: 03-3635-4886
E-mail: joho@jeces.or.jp
