Overview
Beijing wastewater treatment plant serves Chaoyang district, Beijing, China, with a population equivalent of 300,000. The facility is located inland, over 50 km from the coast, and discharges into local waterways.
The Beijing wastewater treatment plant is a municipal facility located in Chaoyang district, Beijing, China, serving a population of approximately 300,000. It is situated near the Capital Airport Expressway in Cuigezhuang Township, within the broader Beijing metropolitan area. As a large agglomeration, the plant plays a critical role in managing urban wastewater for this densely populated region. Under China's national wastewater regulations, large treatment plants serving over 100,000 people are typically required to meet stringent discharge standards, often including advanced treatment processes. The plant's scale suggests it operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which mandates pollutant removal and disinfection. The treated effluent from the plant is discharged into local rivers that ultimately flow into the Hai River system, which drains into the Bohai Sea. This water body supports diverse aquatic life and is an important ecological corridor in northern China. The plant's operations help protect downstream water quality and reduce nutrient loading to the Bohai Sea.
Environmental context
The plant discharges into the Hai River basin, which flows through Beijing and Tianjin before reaching the Bohai Sea. This watershed supports a variety of aquatic species and is a critical water resource for the region. The Bohai Sea is a semi-enclosed sea with limited water exchange, making it sensitive to nutrient pollution from upstream sources. Effective wastewater treatment at this plant helps mitigate eutrophication risks and protects coastal ecosystems.
Frequently asked questions
The plant is located in Cuigezhuang Township, Chaoyang District, Beijing, China, near the Capital Airport Expressway.
The plant serves a population equivalent of 300,000 people, classifying it as a large agglomeration under Chinese regulations.
Treated effluent is discharged into local rivers within the Hai River basin, which ultimately flows into the Bohai Sea.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets limits on pollutants like COD, BOD, and nutrients.
Large plants in China typically employ secondary treatment with biological nutrient removal, and often include tertiary treatment for phosphorus and nitrogen reduction to meet stringent standards.
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