Overview
Chongqing wastewater treatment plant serves Shihui Town in Qianjiang District, Chongqing, China. It treats wastewater from approximately 6,000 residents, supporting local water quality in the mountainous region.
The Chongqing wastewater treatment plant is located in Shihui Town, within Qianjiang District of Chongqing Municipality, China. It serves a population of about 6,000 people, addressing the sanitation needs of this small agglomeration in a mountainous area. The plant is part of China's expanding wastewater infrastructure, which is governed by national standards such as the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). Plants of this scale in China typically employ secondary biological treatment, such as activated sludge or sequencing batch reactors, to meet Class 1A or 1B discharge standards. The plant likely operates within its hydraulic and organic load limits to ensure effective treatment. The treated effluent is discharged into local waterways that eventually flow into the Yangtze River basin, which is ecologically significant as one of the world's major river systems. The plant helps protect downstream aquatic ecosystems and supports water quality in the Three Gorges Reservoir region, a critical area for biodiversity and water supply.
Environmental context
The plant discharges into tributaries of the Yangtze River, which flows through Chongqing and ultimately into the East China Sea. The local watershed is characterized by steep terrain and high rainfall, making erosion control and nutrient management important. The Yangtze basin supports diverse aquatic life, including endangered species such as the Chinese sturgeon and finless porpoise, and the plant's operation helps reduce pollution loads in this ecologically sensitive region.
Frequently asked questions
The plant is located in Shihui Town, Qianjiang District, Chongqing Municipality, China. Its address is in Liming Community, Gongnong Village, Shihui Town.
The plant serves approximately 6,000 residents in the Shihui Town area, classifying it as a small agglomeration under Chinese wastewater management standards.
The treated effluent is discharged into local streams that are part of the Yangtze River basin. The plant helps maintain water quality in this major river system.
The plant operates under China's national discharge standard GB 18918-2002, which sets limits for pollutants like COD, BOD, and ammonia. Small plants like this typically must meet Class 1B or Class 2 standards.
For small agglomerations in China, common treatment processes include activated sludge, oxidation ditches, or sequencing batch reactors. These provide secondary treatment to meet national discharge standards.
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