Overview
Zhejiang wastewater treatment plant serves Qujiang District, Quzhou City, Zhejiang Province, China, with a population equivalent of 250,000. It operates under China's national wastewater discharge standards.
The Zhejiang wastewater treatment plant is located in Qujiang District, Quzhou City, Zhejiang Province, China. It serves a population equivalent of 250,000, classifying it as a large-scale municipal facility within the region. The plant is situated along Jiangbin West Road in Sunjia village, Zhangtan Subdistrict, and plays a key role in managing urban wastewater for the area. As a large agglomeration serving over 150,000 people, the plant is expected to meet China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which mandates secondary treatment with nutrient removal for sensitive water bodies. Regulatory requirements for this scale typically include biological treatment and disinfection. The plant discharges treated effluent into local waterways that ultimately drain into the Qiantang River basin, which flows into the East China Sea near Hangzhou. The receiving water body supports aquatic ecosystems and is used for agricultural and industrial purposes downstream. Proper treatment is essential to protect water quality in this densely populated and economically active region.
Environmental context
The plant's treated effluent enters the local drainage network within the Qiantang River basin, which flows through Zhejiang Province and discharges into Hangzhou Bay and the East China Sea. The downstream environment includes agricultural areas and urban centers that rely on the river for water supply and irrigation. The Qiantang River estuary supports diverse aquatic life and is an important ecological corridor for migratory fish species. Nutrient loading from wastewater can contribute to eutrophication in coastal waters, making effective treatment critical for maintaining water quality and ecosystem health.
Frequently asked questions
The plant is located at Jiangbin West Road, Sunjia village, Zhangtan Subdistrict, Qujiang District, Quzhou City, Zhejiang Province, China.
The plant serves a population equivalent of 250,000, classifying it as a large municipal wastewater treatment facility.
The plant discharges treated effluent into local waterways that are part of the Qiantang River basin, which flows into Hangzhou Bay and the East China Sea.
The plant must comply with China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which requires secondary treatment and nutrient removal for large agglomerations.
For a plant of this scale, typical treatment includes primary sedimentation, biological treatment (such as activated sludge), and disinfection, often with advanced nutrient removal to meet discharge standards.
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