Overview
Zhejiang wastewater treatment plant serves Xiuzhou District, Jiaxing, Zhejiang, China, with a population equivalent of 1,200,000. The plant has a designed capacity of 1.00 unit and operates under China's national wastewater regulations.
The Zhejiang wastewater treatment plant is located in Gaozhao Subdistrict, Xiuzhou District, Jiaxing City, Zhejiang Province, China. It serves a large population of 1,200,000 people, classifying it as a major municipal facility within the region. The plant is situated inland, approximately 50 km from the coast, and its operations are integral to managing the wastewater of this densely populated urban area. The plant operates under China's national wastewater discharge standards, which mandate secondary treatment for large urban agglomerations. The designed capacity of 1.00 unit suggests a substantial infrastructure investment. Given the population served, the facility likely incorporates advanced treatment stages to meet stringent effluent quality requirements for inland water bodies. The treated effluent from this plant is discharged into local waterways that ultimately drain into the East China Sea via the Yangtze River Delta system. The plant plays a critical role in protecting downstream aquatic ecosystems, including the Qiantang River and Hangzhou Bay, from nutrient pollution and other contaminants. Its performance directly affects the ecological health of the region's freshwater and coastal environments.
Environmental context
The plant discharges into the local river network within the Yangtze River Delta basin, which flows into Hangzhou Bay and then the East China Sea. This watershed supports diverse aquatic life and is an important migratory corridor for fish. The high population density and industrial activity in the region necessitate effective nutrient removal to prevent eutrophication in downstream coastal waters.
Frequently asked questions
The plant is located in Gaozhao Subdistrict, Xiuzhou District, Jiaxing City, Zhejiang Province, China, at coordinates 30.749 N, 120.680 E.
The plant serves a population equivalent of 1,200,000 people, making it a large municipal facility.
Treated effluent is discharged into local rivers within the Yangtze River Delta basin, which ultimately flows into Hangzhou Bay and the East China Sea.
The plant operates under China's national wastewater discharge standards (GB 18918-2002) and the Water Pollution Prevention and Control Law, which mandate secondary treatment and nutrient removal for large agglomerations.
For a population of this scale, Chinese regulations typically require secondary biological treatment with nutrient removal (nitrogen and phosphorus) to meet Class 1A or 1B discharge standards, often incorporating anaerobic-anoxic-oxic (A2O) processes or similar advanced technologies.
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