Overview
Shanghai wastewater treatment plant serves Songjiang District, Shanghai, China, with a designed capacity of 1.00 and a population equivalent of 599,000. It operates under China's national wastewater standards.
The Shanghai wastewater treatment plant is located in the Songjiang District of Shanghai, China, at 曹农路 in the Songjiang Industrial Park. It serves a population equivalent of 599,000, placing it in the large agglomeration category. The plant's designed capacity is 1. Under China's national wastewater discharge standards (GB 18918-2002), large-scale municipal plants are typically required to achieve secondary treatment with nutrient removal, especially in sensitive water bodies. The plant's scale suggests it likely employs biological treatment processes such as activated sludge or A2O to meet effluent standards. Regulatory oversight is provided by local environmental protection bureaus. The plant discharges into the local water system within the Yangtze River Delta basin, which ultimately drains into the East China Sea. The region is densely populated and industrialized, making effective wastewater treatment critical for protecting downstream aquatic ecosystems and coastal water quality. The plant plays a key role in managing urban wastewater from Songjiang District.
Environmental context
The plant is situated in the Yangtze River Delta, one of China's most economically vital regions. Its treated effluent likely enters local waterways that feed into the Huangpu River, a major tributary of the Yangtze River, which then flows into the East China Sea. The downstream environment supports diverse aquatic life and is important for fisheries and coastal ecology. Effective treatment helps mitigate eutrophication risks in the delta's sensitive estuarine and marine habitats.
Frequently asked questions
The plant is located at 曹农路 in the Songjiang Industrial Park, Zhongshan Subdistrict, Songjiang District, Shanghai, China.
The plant serves a population equivalent of 599,000, classifying it as a large agglomeration under Chinese standards.
The plant discharges treated effluent into local waterways within the Yangtze River Delta basin, which ultimately flows into the East China Sea via the Huangpu River and Yangtze River.
The plant operates under China's national wastewater discharge standard GB 18918-2002, which sets limits for pollutants. Large plants like this are typically required to achieve secondary treatment with nutrient removal, overseen by local environmental protection bureaus.
For large agglomerations in China, common treatment processes include activated sludge, A2O (anaerobic-anoxic-oxic), or oxidation ditch, often with biological nutrient removal to meet stringent effluent standards for nitrogen and phosphorus.
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