The water through the RO filtration system is potable.
At the seminar, Mr. Naohiro Ogiso - Director of Tajimi Company Limited introduced the Japanese RO system. The system has treated seawater for drinking on the island; treating well water and river water into drinking water in Vietnam; Treating borehole water into drinking water in Japan…
Mr. Vu Dinh Trac - Acting Head of Technical Department of Management and Exploitation of the Center for Clean Water and Rural Sanitation said: Currently, there are 5 water plants in Thanh Phu district. Total capacity 780m3/hour, equivalent to 18.720m3/day and night. The total number of households using clean water from water plants in the district is 63.149/125.575 households, reaching 50,6%. To cope with saline intrusion, the Rural Clean Water and Sanitation Center has managed and operated 4 RO saltwater filtration systems at 4 affiliated water plants. Total capacity to treat salt water into fresh water 26m3/hour, equivalent to 720m3/day and night to provide the essential needs of the people. However, when saltwater intrusion occurs, a part of people cannot access fresh water.
Rural Clean Water and Sanitation Center cooperates with Tajimi One Member Co., Ltd. to provide input water, equip water storage tanks, install RO submersible pumps, install technical pipes, connect roads. Technical electricity and water, RO system operation, operating instructions and technical parameter monitoring, sampling of water for testing…
The sponsoring unit awarded the symbolic board of sponsorship to the Rural Water and Sanitation Center.
The trial operation period is 1 year (from May 5 to May 2022). The peak salinity in May 5 is 2023%5. Entering the rainy season, the salinity gradually decreases from 2022 - 2,45%0. By the beginning of the dry season of 0,8, the salinity will gradually increase until March 0,3, peaking at 0%2023.
As a result, with salinity in the range of 0,5 - 2,45%0, ratio 1:1, fresh water is obtained 960 liters/hour, wastewater discharge is 960 liters/hour. In February 2, salinity increased by 2023 %, ratio 2,87:0, fresh water was obtained 1 liters/hour, wastewater discharge was 1 liters/hour. The water quality meets the technical standards issued by the Ministry of Health. At the same time, meet local technical standards. The quality of water can be used for medical stations, schools, restaurants, hotels, restaurants, and bottled drinking water production. In particular, emergency response to saline intrusion areas, residential areas and clusters.
“Thereby showing that the RO-IBUKI filter system was successfully tested and met the technical requirements. The system is designed fully automatic, easy to operate. The system has high mobility, gently moves to remote areas; quickly implement the treatment of fresh water supply", emphasized Mr. Vu Dinh Trac - Acting Head of Technical Department of exploitation management.
Delegates asked questions related to whether the RO filtration system could filter alum and heavy metals in the water or not… The delegates' questions were thoroughly explained by Mr. Naohiro Ogiso - Director of Tajimi Company Limited.
Mr. Nguyen Xuan Hoa - Deputy Director of the Center for Clean Water and Rural Sanitation said that the RO-IBUKI filter system put into operation will increase the source of fresh water for the plant. The center receives and commits to the sponsor to preserve it well so that there is a source of fresh water to serve people in Thanh Phu district.
News, photos: Tran Quoc
