Overview
Zhejiang wastewater treatment plant serves approximately 80,000 people in Yiwu, Zhejiang Province, China. The facility operates under China's national wastewater discharge standards.
The Zhejiang wastewater treatment plant is located in Yiwu, a city in Zhejiang Province, China. It serves an estimated population of 80,000, placing it in the medium-scale category for municipal wastewater treatment in the region. As a plant in China, it is subject to the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for various pollutants. For a facility serving this population size, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on the receiving water body's sensitivity. The plant discharges treated effluent into local waterways that ultimately drain into the East China Sea via the Qiantang River system. This watershed supports diverse aquatic life and is important for regional water resources, making effective treatment crucial for protecting downstream ecosystems and water quality.
Environmental context
The plant's treated effluent flows into the local river network, which is part of the Qiantang River basin. This river system drains into Hangzhou Bay and the East China Sea, supporting fisheries and estuarine habitats. The watershed is ecologically sensitive due to its role in maintaining water quality for downstream communities and aquatic biodiversity.
Frequently asked questions
The plant is located in Yiwu, Zhejiang Province, China, at Xijiang Road, Yiwu, Jinhua, Zhejiang.
The plant serves approximately 80,000 people, classifying it as a medium-scale municipal facility.
Treated effluent is discharged into local rivers that are part of the Qiantang River basin, ultimately reaching the East China Sea.
The plant must comply with China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for pollutants like COD, BOD, and nutrients.
For a medium-scale plant in China, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on the sensitivity of the receiving water body.
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