Overview
Shaanxi wastewater treatment plant serves 65,000 people in Xi'an, Shaanxi, China. It operates under national wastewater standards for inland municipal facilities.
The Shaanxi wastewater treatment plant is located in Xi'an, the capital of Shaanxi Province, China. It serves a population of approximately 65,000 people, classifying it as a medium-sized municipal facility within the region's urban wastewater infrastructure. As a Chinese wastewater treatment plant, it operates under the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets effluent limits for various pollutants. For plants serving populations of this scale, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on the receiving water body's sensitivity. The plant discharges treated effluent into local waterways that ultimately drain into the Wei River, a major tributary of the Yellow River. The Yellow River basin supports extensive agriculture and provides water for millions of people downstream, making effective wastewater treatment critical for protecting water quality and aquatic ecosystems in this arid region.
Environmental context
The plant's treated effluent flows into the Wei River system, which joins the Yellow River downstream. The Yellow River is a vital water source for northern China, supporting irrigation, industry, and domestic use. Protecting this watershed from nutrient pollution and pathogens is essential for maintaining water quality and preventing eutrophication in the river and its reservoirs.
Frequently asked questions
The plant is located in Xi'an, Shaanxi Province, China, specifically in the Gaoling District near Xi'an Industrial and Commercial College.
The plant serves approximately 65,000 people, making it a medium-sized municipal wastewater treatment facility.
Treated effluent is discharged into local waterways that flow into the Wei River, a tributary of the Yellow River.
The plant must comply with China's GB 18918-2002 discharge standard, which sets limits on pollutants like COD, BOD, ammonia, and phosphorus. For plants of this size, Class 1-A or 1-B standards are typical.
Plants of this scale in China generally employ secondary biological treatment with nutrient removal to meet national discharge standards, often using processes like activated sludge or A2O.
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