Overview
Ningxia Hui wastewater treatment plant serves Xiji County in Ningxia, China, with a population equivalent of 39,900. It operates under China's national wastewater discharge standards.
Ningxia Hui wastewater treatment plant is located in Hejiadian, Xiji County, Guyuan City, Ningxia Hui Autonomous Region, China. The facility serves a population equivalent of 39,900, classifying it as a medium-sized agglomeration under Chinese wastewater management frameworks. As a plant in China, 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. For agglomerations of this scale, secondary treatment with nutrient removal is typically required, especially in environmentally sensitive areas. The plant's treated effluent is discharged into local water bodies within the Yellow River basin, which ultimately drains into the Bohai Sea. The facility plays a key role in protecting downstream aquatic ecosystems and supporting water quality in the region's agricultural and urban areas.
Environmental context
The plant discharges into local streams that are part of the Yellow River basin, one of China's most important river systems. The Yellow River flows through arid and semi-arid regions before reaching the Bohai Sea, supporting irrigation, industry, and domestic water supply. Downstream ecosystems include wetlands and riverine habitats that rely on adequate water quality. The plant's operations help reduce nutrient and pollutant loads, mitigating eutrophication risks in receiving waters.
Frequently asked questions
The plant is located in Hejiadian, Xiji County, Guyuan City, Ningxia Hui Autonomous Region, China.
The plant serves a population equivalent of 39,900 people.
The treated effluent is discharged into local water bodies within the Yellow River basin, which flows to the Bohai Sea.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for pollutants and nutrients.
For medium-sized agglomerations in China, secondary treatment with biological nutrient removal is standard, often including activated sludge processes to meet GB 18918-2002 standards.
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