Overview
Henan wastewater treatment plant serves Luoyang, China, with a population equivalent of 58,000. It operates under China's national wastewater discharge standards.
The Henan wastewater treatment plant is located in the Xin'an Economic and Technological Development Zone, Xin'an County, Luoyang City, Henan Province, China. It serves a population equivalent of 58,000, placing it in the medium-sized agglomeration category for Chinese municipal wastewater infrastructure. 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 COD, BOD, SS, ammonia nitrogen, and total phosphorus. For plants serving populations of this scale, secondary treatment with nutrient removal is typically required, especially in environmentally sensitive areas. The plant's treated effluent likely discharges into a local watercourse that eventually flows into the Yellow River basin, as Luoyang is situated along the Luo River, a tributary of the Yellow River. The Yellow River is a major water source for northern China and supports extensive agricultural and industrial activities downstream.
Environmental context
The plant is located in the Yellow River basin, one of China's most important watersheds. The Luo River, which flows through Luoyang, receives treated wastewater and eventually joins the Yellow River. The Yellow River downstream supports irrigation for millions of hectares of farmland and provides drinking water for major cities. Protecting water quality in this basin is critical due to high population density and industrial activity.
Frequently asked questions
The plant is located in the Xin'an Economic and Technological Development Zone, Xin'an County, Luoyang City, Henan Province, China.
The plant serves a population equivalent of 58,000, classifying it as a medium-sized municipal wastewater treatment facility.
The plant treats wastewater that would otherwise enter the Luo River, a tributary of the Yellow River. By treating the water, it helps protect the Luo River and the downstream Yellow River basin.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets strict limits on pollutants like COD, BOD, and nutrients. Plants of this scale are typically required to achieve secondary treatment with nutrient removal.
For a medium-sized agglomeration of 58,000 people, Chinese standards typically require secondary biological treatment (e.g., activated sludge) with nutrient removal to meet Class 1A or 1B effluent standards, depending on the receiving water's sensitivity.
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