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"The #4 Workshop on Decentralized Wastewater Treatment in Asia" was held

On 9/27-28, for 2 days, The Ministry of the Environment hosted the #4 Workshop on Decentralized Wastewater Treatment in Asia in Jakarta, Indonesia.

Based on the results of the past three workshops held in Tokyo and Bangkok Jakarta, this workshop aims to achieve the SDGs (Sustainable Development Goals adopted by the United Nations) related to sanitation in Asian countries. This is a forum for discussing decentralized wastewater treatment systems in order to solve problems related to the appropriate spread of decentralized wastewater systems that contribute to the conservation of the water environment.In order to solve the issues related to the proper spread of decentralized wastewater treatment systems, sharing the experiences of each country, gaining a common understanding of the issues and directions that should be addressed in the future, and contributing to the further promotion of decentralized wastewater treatment in Asia. The purpose is to build a network of concerned parties in each country and strengthen cooperation.

In this workshop, 21 participants from Indonesia, the host country, 4 JICA experts, 4 speakers from 1 other countries (4 of which was published in a paper) from other countries, and the Japan Sanitation Consortium including the Ministry of the Environment. (JSC), johkasou manufacturers, and 6 other people involved, a total of 35 people participated.

On the first day, the 27th, presentations were made from each country on on-site wastewater treatment policies, administrative initiatives and challenges, successful cases of decentralized wastewater treatment, and the current state of sludge management. A presentation was made on the current state of management. Afterwards, the declaration of this workshop was discussed and adopted.

At the workshop venue, many questions and comments were exchanged between the participants and presenters regarding the content of the presentations, and lively discussions were held on the current status and challenges of decentralized wastewater treatment in each country. In addition, a tour of johkasou installed at the local factory was held from the afternoon of the same day.

Through this workshop, the issues and current situation of decentralized wastewater treatment in Asian countries became clearer, and in the future, each country will promote decentralized wastewater treatment as a policy to improve sanitation and conserve the water environment in Asia. expect to.

Workshop program and presentation materials

Opening ceremony

Presenters: Sri Parwati Murwani Budisusanti (Manager, Water Pollution Control Division, Ministry of Environment and Forests, Republic of Indonesia) / Gosuke Inoue (Johkasou Promotion Office, Waste Management Division, Waste Management and Recycling Division, Ministry of the Environment)

Session 1

Regulation, control and monitoring of decentralized wastewater treatment
Chair: Kazushi Hashimoto (JSC)
  • Regulation, management and monitoring of decentralized wastewater treatment in Indonesia
    Presenter: Sri Pareati Murwani Budisusanti (Director, Water Pollution Control Division, Ministry of Environment and Forests, Republic of Indonesia)
Presenter: Gosuke Inoue (Johkasou Promotion Office, Waste Management Division, Waste Management and Recycling Division, Ministry of the Environment)
Presenter: Drag Thi Thanh Huyen (Lecturer, Hanoi University of Civil Engineering, Vietnam)

Session 2

Challenges and success stories of decentralized wastewater treatment
Chair: Yoshitaka Ebie (National Institute for Environmental Studies)
Presenter: Rudy Azrul Arifin (Director, Special Environmental Sanitation Division, Department of Environment, Development and Sanitation, Ministry of Public Works and Housing, Republic of Indonesia)
Presenter: Meixue Chen (Deputy Director, Rural Sewage Management Division, Rural Infrastructure Department, Ministry of Housing and Urban Rural Development, People's Republic of China)
Speaker: Zuhaelsi Zubir (Public Works Department, Makassar City)

Session 3-1

Sludge management success stories
Chair: Kiyofumi Kawamura (former professor at Saitama University Graduate School)
Presenter: Jiranun Hempoonsert (Director, Domestic Wastewater Division, Water Quality Control Department, Pollution Control Bureau, Ministry of Natural Resources and Environment, Thailand)
Presenter: Hidayati (North Sumatra Environment Department, Director General)

Session 3-2

Sludge management success stories
Chair: Shinji Kumokawa (Japan Environmental Education Center)
Presenter: Nanang Primono (Director, Sewage Department, Solo City, Republic of Indonesia)
Presenter: Recca Tharmarajah (Deputy Director, Technical Standardization and Compliance Division, Sewerage Regulatory Department, National Water and Sewerage Commission, Malaysia)
Presenter: Kiyofumi Kawamura (former professor at Saitama University Graduate School)

Discussion and adoption of declarations

Chair: Yoshitaka Ebie (National Institute for Environmental Studies)

Closing session

Presenter: Gosuke Inoue (Johkasou Promotion Office, Waste Management Division, Waste Management and Recycling Division, Ministry of the Environment)

Photos of the workshop held and site visit

Public interest incorporated foundation
Japan Education Center of Environmental Sanitation
130-0024
2-23-3 Kikukawa, Sumida-ku, Tokyo
TEL: 03-3635-4880 (Switchboard),


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