Overview
Shanghai wastewater treatment plant serves 830,000 people in Fengxian District, China. Located within 50 km of the coast, it discharges treated effluent into the East China Sea via local waterways.
The Shanghai wastewater treatment plant is a major municipal facility located in Fengxian District, a suburban area of Shanghai, China. It serves a population of approximately 830,000, classifying it as a large agglomeration under Chinese wastewater regulations. The plant is situated near the coast, within 50 km of the East China Sea, and its treated effluent ultimately reaches the sea through local rivers and drainage channels. As a large-scale plant in China, it is expected to comply with the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which mandates secondary treatment as a minimum and often requires advanced treatment for plants discharging into sensitive water bodies. The designed capacity is 1.00 (likely in 10,000 m³/day or similar units), indicating a substantial treatment capability. Facilities of this scale typically employ biological treatment processes such as activated sludge. The plant's discharge contributes to the water quality of local rivers that flow into Hangzhou Bay and the East China Sea. This coastal region supports diverse marine life and is important for fisheries and aquaculture. Effective treatment is crucial to prevent eutrophication and protect the ecological health of the coastal environment.
Environmental context
The plant's treated effluent enters local waterways that drain into Hangzhou Bay, a large estuary of the East China Sea. This coastal area supports diverse marine ecosystems, including fish spawning grounds and migratory bird habitats. Nutrient loading from wastewater can contribute to algal blooms and hypoxia, making advanced treatment important for protecting downstream water quality and biodiversity.
Frequently asked questions
The plant is located in Fengxian District, Shanghai, China, near the coast of the East China Sea.
The plant serves approximately 830,000 people, making it a large municipal facility.
Treated effluent is discharged into local rivers and drainage channels that flow into Hangzhou Bay and ultimately the East China Sea.
The plant must comply with China's GB 18918-2002 discharge standard, which requires secondary treatment and often advanced treatment for large plants near sensitive coastal waters.
Plants of this scale typically use biological treatment processes like activated sludge, often with nutrient removal to meet stringent discharge limits for nitrogen and phosphorus.
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