Overview
Ningxia Hui wastewater treatment plant serves 220,000 people in Yinchuan, Ningxia, China. The facility operates under China's national wastewater discharge standards for urban treatment plants.
Ningxia Hui wastewater treatment plant is located in Yinchuan, the capital of Ningxia Hui Autonomous Region in north-central China. The plant serves a population of approximately 220,000, placing it in the medium-to-large agglomeration category for Chinese urban wastewater infrastructure. China's wastewater treatment regulations, including the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), set effluent limits based on the receiving water body's sensitivity. For plants of this scale, secondary treatment with nutrient removal is typically required, with tertiary treatment applied in sensitive watersheds. The plant's operational details are managed under local municipal authority. The plant discharges into the Yellow River basin, which is the primary waterway in the region. The Yellow River downstream supports irrigation, industrial use, and ecological flows in the arid Ningxia region. Proper treatment is critical to prevent eutrophication and protect water quality for downstream communities and ecosystems.
Environmental context
The plant lies within the Yellow River basin, China's second-longest river, which flows through Ningxia's arid landscape before reaching the Bohai Sea. The region's water resources are heavily allocated for agriculture and urban use, making effluent quality crucial for maintaining river health. Downstream, the Yellow River supports diverse aquatic life and provides drinking water for millions, so nutrient and pollutant removal is essential to prevent algal blooms and ecological degradation.
Frequently asked questions
The plant is located in Yinchuan, the capital of Ningxia Hui Autonomous Region in north-central China, within the Xingqing District near the Yingu Road area.
The plant serves approximately 220,000 people, classifying it as a medium-to-large urban wastewater treatment facility.
The plant discharges into the Yellow River basin, which flows through Ningxia and ultimately reaches the Bohai Sea. The Yellow River is a critical water source for the region.
The plant operates under China's national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits based on the sensitivity of the receiving water body.
For a plant of this scale in China, secondary biological treatment with nutrient removal is standard. In sensitive watersheds like the Yellow River basin, tertiary treatment may be required to meet stricter effluent standards.
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