Activities

Workshop on decentralized wastewater treatment ("JOHKASOU")

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On March 1st, 2018, the Vietnam Academy of Science and Technology (VAST) coordinated with Japan’s Ministry of Environment to organize a workshop on decentralized wastewater treatment.

The event drew the participation of Yuji Hirose, representative from Japan’s Ministry of Environment; Assoc. Prof. Dr. Phan Van Kiem, vice president of VAST; Assoc. Prof. Dr. Ninh Khac Ban, head of Department of International Cooperation under VAST; representatives from Japan’s Embassy in Vietnam, ministries, committees, agencies and Departments of Science and Technology, of Natural Resources of provinces and cities, and Vietnamese and Japanese scientists.

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The overview of the workshop

Decentralized wastewater treatment (JOHKASOU) is currently considered an effective solution with respect to cost in wastewater treatment in developing countries, including Vietnam.

JOHKASOU offers solutions for sanitation in areas not connected to centralized wastewater treatment plants. JOHKASOU can be applied flexibly in many places that the projects of the centralized treatment system is difficult to implement, such as restaurants, hotels, buildings, businesses, factories or densely populated areas (markets).

The advantage of JOHKASOU is the low investment due to small treatment station and short distance to transport wastewater from the source to station; different treatment techniques permit the choice of the most suitable solution with local conditions.

The selection of technologies for decentralized wastewater treatment must obey specific regulations. Wastewater treatment technologies must meet the requirements according to standards and technical regulations on wastewater quality after treatment.

At the workshop, nearly 100 participants heard about policies, regulations, implementation and lessons on JOHKASOU in Japan; advantages of JOHKASOU and the history of installation outside Japan. In addition, policies and the need for wastewater treatment in Vietnam were also discussed.

The workshop was an opportunity to share information on the achievements of science and technology in the field of environment, lessons on the decentralized wastewater treatment system in Japan, and measures and demands for wastewater treatment in Vietnam.

It was also a chance for researchers, policy makers, companies and organizations that study environment in Vietnam to exchange valuable experiences. This will contribute to the development of science and technology related to the environment of Vietnam, meeting the environmental protection demands during the national industrialization and modernization.

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Taking photo at the workshop

Translated by Tuyet Nhung
Link to Vietnamese version

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