Overview
Yunnan wastewater treatment plant serves Kunming, Yunnan province, China, with a population equivalent of 694,000. The facility operates under China's national wastewater discharge standards.
The Yunnan wastewater treatment plant is located in Kunming, the capital of Yunnan province in southwestern China. Situated in the Guandu District, the facility serves a population equivalent of 694,000, making it a large-scale municipal treatment plant within the region. China's wastewater treatment regulations, including the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), set effluent limits for various pollutants. For large agglomerations like this, advanced treatment is often required to meet stringent standards, particularly in sensitive watersheds. The plant's design and operation align with these national requirements. The plant's treated effluent likely discharges into the Dianchi Lake basin, a major water body in Yunnan that ultimately drains into the Yangtze River system via the Pudu River. Dianchi Lake is ecologically significant, supporting diverse aquatic life and serving as a critical water resource for the region. The plant plays a key role in protecting this sensitive environment from nutrient pollution.
Environmental context
The plant is situated within the Dianchi Lake watershed, a large freshwater lake in Yunnan that drains into the Pudu River, a tributary of the Yangtze River. Dianchi Lake is ecologically sensitive due to historical eutrophication from urban and agricultural runoff. The plant's operations help reduce nutrient loads, supporting the lake's recovery and maintaining downstream water quality in the Yangtze River system.
Frequently asked questions
The plant is located in Kunming, the capital of Yunnan province, China, specifically in the Guandu District.
The plant serves a population equivalent of 694,000 people.
The treated effluent is discharged into the local watershed, likely the Dianchi Lake basin, which flows into the Pudu River and eventually the Yangtze River.
The plant operates under China's national wastewater discharge standards, specifically GB 18918-2002, which sets limits for pollutants like COD, ammonia, and phosphorus.
For large agglomerations in China, advanced treatment processes such as A2O or oxidation ditch are commonly used to meet stringent effluent standards, especially in sensitive watersheds like Dianchi Lake.
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