October issue Table of contents
Introduction
Outline | Takahiro Sakatani |
Special Edition
Recent trends in water environment conservation - Review of wastewater standards and trial of new disinfection technology - | |
Regarding review of environmental standards and wastewater standards related to water pollution | Yoshikazu Uetsu |
Principles of ultraviolet disinfection and application of ultraviolet light emitting diodes to water treatment | Kumiko Oguma |
Structure and technological development history of ultraviolet sterilization equipment | Tatsuyuki Iwasaki |
News from JSA
Regarding safety measures related to excavation work at johkasou construction | Koji Tsukamoto |
Course
johkasou past and present | |
No. 56 johkasou standards - environmentally friendly johkasou - (2) | Kiyoshi Kawamura |
industry news
The 37th National johkasou Tournament "johkasou Day" Commemorative Ceremony Held |
report
The 37th National Johkasou Technology Research Conference will be held in Yokohama City.
Schedule
Education Center & Related Organizations October/November schedule
"Monthly johkasou" reader survey
Please cooperate with the reader survey so that we can use it as a reference for future magazine creation. |
Contact Us
Information/IT Group
Tel: 03-3635-4884 Fax: 03-3635-4886
E-mail: joho@jeces.or.jp