Overview
The Henan wastewater treatment plant serves Shangqiu City, Henan Province, China, with a population of 64,000. It operates under China's national wastewater standards for urban treatment facilities.
The Henan wastewater treatment plant is located in Pudian Street, Zhecheng County, Shangqiu City, Henan Province, China. It serves a population of 64,000, placing it in the medium agglomeration category for Chinese urban wastewater treatment. As a Chinese municipal plant, it is subject to the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for conventional pollutants, nutrients, and pathogens. Plants serving populations of this scale typically employ biological treatment processes such as activated sludge or oxidation ditch, with secondary treatment as the minimum requirement. The plant's treated effluent is discharged into local waterways that ultimately drain into the Huai River basin, a major river system in eastern China. The Huai River flows eastward into Hongze Lake and then to the Yellow Sea, supporting extensive agricultural irrigation and aquatic ecosystems along its course.
Environmental context
The plant discharges into the Huai River basin, which flows through Henan and Anhui provinces before reaching Hongze Lake and the Yellow Sea. This watershed supports diverse aquatic life and provides water for agriculture and fisheries. The region experiences a temperate monsoon climate with seasonal rainfall, making consistent wastewater treatment important for maintaining water quality in downstream rivers and lakes.
Frequently asked questions
The plant is located in Pudian Street, Zhecheng County, Shangqiu City, Henan Province, China.
The plant serves a population of 64,000, classifying it as a medium-sized urban wastewater treatment facility.
The plant discharges into the Huai River basin, which flows through Henan and Anhui provinces to Hongze Lake and the Yellow Sea, protecting downstream water quality for agriculture and ecosystems.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for BOD, COD, nutrients, and pathogens. Plants of this scale typically require secondary biological treatment.
For a medium agglomeration of 64,000 people, Chinese plants commonly use activated sludge, oxidation ditch, or sequencing batch reactor processes to achieve secondary treatment standards under GB 18918-2002.
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