Overview
Beijing wastewater treatment plant serves Changping District, Beijing, China, with a population of 180,000. It operates under China's national wastewater standards for large agglomerations.
The Beijing wastewater treatment plant is located in Beiqijia Town, Changping District, Beijing, China. It serves a population of approximately 180,000, classifying it as a large agglomeration under Chinese wastewater management frameworks. The plant is part of Beijing's extensive municipal wastewater infrastructure, which supports one of the world's most populous capital regions. As a large-scale facility, the plant is expected to meet China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which mandates secondary treatment with nutrient removal for plants serving over 100,000 people. This standard aligns with international practices for protecting water quality in densely populated urban areas. The plant's treatment processes are designed to handle the high organic and nutrient loads typical of a major metropolitan area. The treated effluent is discharged into local water bodies that ultimately flow into the Hai River system, which drains into the Bohai Sea. The plant plays a critical role in protecting downstream aquatic ecosystems and supporting water reuse initiatives in the water-scarce Beijing region. Its operation helps reduce pollution loads to the Hai River basin and contributes to the ecological health of the Bohai Sea coastal environment.
Environmental context
The plant discharges into the Hai River basin, which flows through northern China and empties into the Bohai Sea. This watershed supports diverse aquatic life and is an important ecological corridor in the region. The Bohai Sea is a semi-enclosed marginal sea that faces eutrophication pressures from upstream nutrient loads, making effective wastewater treatment crucial for marine ecosystem health.
Frequently asked questions
The plant is located in Beiqijia Town, Changping District, Beijing, China, at coordinates 40.116 N, 116.419 E.
The plant serves approximately 180,000 people, classifying it as a large agglomeration under Chinese wastewater regulations.
The treated effluent is discharged into local water bodies that flow into the Hai River system, which ultimately drains into the Bohai Sea.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which requires secondary treatment with nutrient removal for facilities serving over 100,000 people.
For large agglomerations in China, standard treatment includes secondary biological treatment with nitrogen and phosphorus removal, often using activated sludge processes, to meet Class 1A or 1B discharge standards.
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