Overview
Sichuan wastewater treatment plant serves the city of 市中区 in Neijiang, Sichuan Province, China, with a population of approximately 389,900. The plant operates under China's national wastewater discharge standards.
The Sichuan wastewater treatment plant is located in 市中区, Neijiang, within Sichuan Province, China. It serves a population of around 389,900, classifying it as a large agglomeration under Chinese wastewater management frameworks. The plant is situated inland, away from coastal areas, and its discharge likely enters local rivers that flow into the Yangtze River basin. As a large-scale municipal 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. Typical facilities of this scale employ activated sludge processes with biological nitrogen and phosphorus removal to comply with national standards. The treated effluent is discharged into local water bodies that ultimately drain into the Yangtze River, one of the world's most ecologically significant rivers. The plant plays a crucial role in protecting downstream aquatic ecosystems, including the Yangtze's diverse fish populations and migratory species, by reducing pollutant loads before discharge.
Environmental context
The plant discharges into local waterways that are part of the Yangtze River basin, the largest river system in China. The Yangtze supports a vast array of aquatic life, including endangered species such as the Chinese sturgeon and the Yangtze finless porpoise. Downstream, the river flows through densely populated regions and industrial areas before reaching the East China Sea. Effective wastewater treatment is critical to prevent eutrophication and protect the ecological health of this major river system.
Frequently asked questions
The plant is located in 市中区, Neijiang, Sichuan Province, China, at coordinates 29.594 N, 105.040 E.
The plant serves approximately 389,900 people, classifying it as a large-scale municipal wastewater treatment facility.
The treated effluent is discharged into local waterways that are part of the Yangtze River basin, ultimately flowing into the East China Sea.
The plant operates under China's national standard GB 18918-2002, which requires secondary treatment with nutrient removal for large agglomerations.
Plants of this scale typically use activated sludge processes with biological nitrogen and phosphorus removal to meet China's discharge standards.
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