Overview
Yunnan wastewater treatment plant serves Chenggong District, Kunming, Yunnan, China, with a population equivalent of 113,000. It operates under China's national wastewater discharge standards.
Yunnan wastewater treatment plant is located in Chenggong District, Kunming, Yunnan Province, China. It serves a population equivalent of approximately 113,000, classifying it as a medium-to-large agglomeration under Chinese wastewater management frameworks. The plant is situated in the Wujiaying subdistrict, near the Dianchi Lake basin. As a facility serving over 100,000 people, it 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 sensitive water bodies. Typical plants of this scale in Yunnan employ activated sludge processes with biological nitrogen and phosphorus removal to protect downstream aquatic environments. The plant discharges into the Dianchi Lake watershed, a large freshwater lake that ultimately drains into the Yangtze River system via the Pudu River. Dianchi Lake is ecologically sensitive due to historical eutrophication, and the plant plays a critical role in reducing nutrient loads to the lake. The region's subtropical climate and rapid urbanization increase the importance of effective wastewater treatment for maintaining water quality.
Environmental context
The plant discharges into the Dianchi Lake watershed, which flows via the Pudu River into the Yangtze River system and eventually the East China Sea. Dianchi Lake is a large freshwater lake that has experienced significant eutrophication from urban and agricultural runoff. The plant's operations are crucial for controlling nutrient inputs, particularly nitrogen and phosphorus, to protect the lake's aquatic ecosystem and downstream water quality.
Frequently asked questions
The plant is located in Wujiaying subdistrict, Chenggong District, Kunming, Yunnan Province, China, near the Dianchi Lake basin.
The plant serves a population equivalent of approximately 113,000 people.
The plant discharges treated effluent into the Dianchi Lake watershed, which flows into the Pudu River and eventually the Yangtze River system.
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 sensitive water bodies like Dianchi Lake.
Plants of this scale in China typically use activated sludge processes with biological nitrogen and phosphorus removal to meet GB 18918-2002 standards, especially in ecologically sensitive areas.
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