Overview
Shanghai wastewater treatment plant serves 670,000 people in Jiading District, Shanghai, China. It operates under China's national wastewater discharge standards for large urban agglomerations.
The Shanghai wastewater treatment plant is located in Jiading District, a suburban area of Shanghai, China. It serves a population of 670,000, classifying it as a large urban agglomeration under Chinese wastewater management regulations. The plant is situated inland, approximately 50 km from the coast, and discharges into local waterways that ultimately flow into the East China Sea. As a large-scale facility, the plant is expected to meet China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which mandates secondary treatment with nutrient removal for plants serving over 100,000 people. The designed capacity is 1.00 unit (likely 100,000 m³/day or similar), indicating substantial infrastructure to handle the region's wastewater load. Typical facilities in this region employ activated sludge processes with biological nitrogen and phosphorus removal. The plant's treated effluent is discharged into the local river network, which drains into the Huangpu River and then the Yangtze River estuary before reaching the East China Sea. This discharge contributes to the nutrient load in the Yangtze River Delta, a region known for its ecological sensitivity due to dense population and industrial activity. The plant plays a critical role in protecting downstream water quality and supporting the health of the Yangtze River estuary ecosystem.
Environmental context
The plant discharges into the local river system that flows into the Huangpu River, a major tributary of the Yangtze River. The Yangtze River estuary is a vital ecological zone supporting diverse aquatic life, including migratory fish species. The region faces challenges from eutrophication due to nutrient inputs from agricultural and urban runoff. The plant's treatment performance directly affects the water quality of the Huangpu River and the broader Yangtze Delta, which is ecologically sensitive and supports important fisheries.
Frequently asked questions
The plant is located in Jiading District, Shanghai, China, near the intersection of Jialuo Road and Xincheng Road, in Xuhang Town.
The treated effluent is discharged into the local river network, which flows into the Huangpu River and then the Yangtze River estuary before reaching the East China Sea.
The plant helps protect the Huangpu River and the Yangtze River estuary by treating wastewater before discharge, reducing pollution in these important waterways.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which requires secondary treatment with nutrient removal for large agglomerations serving over 100,000 people.
For a plant of this scale, typical treatment includes primary sedimentation, activated sludge secondary treatment, and biological nutrient removal (nitrogen and phosphorus) to meet Class 1A discharge standards under GB 18918-2002.
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