Overview
Nei Mongol wastewater treatment plant serves Xilinhot City in Inner Mongolia, China, with a population equivalent of 500,000. It operates under China's national wastewater discharge standards.
The Nei Mongol wastewater treatment plant is located in Xilinhot City, Inner Mongolia Autonomous Region, China. It serves a population of 500,000, classifying it as a large-scale municipal facility within the region's urban wastewater infrastructure. As a large agglomeration, the plant 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 facilities of this scale. The plant's design and operation align with national policies aimed at protecting water resources in the arid and semi-arid regions of Inner Mongolia. The treated effluent is discharged into local water bodies that ultimately drain into the Xiliao River system, part of the larger Liao River basin. This basin supports agricultural irrigation and sustains ecosystems in the region, making effective treatment critical for downstream water quality and ecological health.
Environmental context
The plant discharges into the Xiliao River system, which flows through Inner Mongolia and eventually joins the Liao River before reaching the Bohai Sea. The local watershed is characterized by semi-arid conditions, where water resources are scarce and pollution control is vital for sustaining agriculture and aquatic habitats. The region supports migratory bird populations and relies on the river for irrigation, so effective wastewater treatment helps prevent eutrophication and protects biodiversity.
Frequently asked questions
The plant is located in Xilinhot City, Inner Mongolia Autonomous Region, China, in the Hangai Street area.
The plant serves a population equivalent of 500,000, making it a large-scale municipal facility.
The treated effluent is discharged into local water bodies that are part of the Xiliao River system, which flows into the Liao River and eventually reaches the Bohai Sea.
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 large agglomerations.
For a plant of this scale in China, secondary biological treatment with nitrogen and phosphorus removal is standard, often using activated sludge processes, to meet the GB 18918-2002 Class 1A or 1B standards.
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