Overview
Henan wastewater treatment plant serves Jiyuan City in Henan Province, China, with a population of 211,300. The plant operates under China's national wastewater discharge standards.
The Henan wastewater treatment plant is located in Jiyuan City, Henan Province, China, serving a population of approximately 211,300. It is situated in the Yuzhuang Street area along S312, providing municipal wastewater treatment for this inland urban center. The plant is part of China's extensive wastewater infrastructure, which is regulated under national standards such as the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). For a plant serving over 200,000 people, Chinese regulations typically require advanced treatment with nutrient removal to meet Class 1A or 1B standards, especially for discharge into sensitive water bodies. Facilities of this scale in China are generally designed with biological treatment and disinfection to protect public health and the environment. The treated effluent from the plant likely discharges into a local river or waterway within the Yellow River basin, as Jiyuan is located near the Yellow River. The downstream environment supports agricultural irrigation and aquatic ecosystems, making effective treatment crucial for water quality and ecological balance in the region.
Environmental context
The plant discharges into a tributary of the Yellow River, which flows through northern China before emptying into the Bohai Sea. The Yellow River basin is ecologically sensitive, supporting diverse aquatic life and providing water for irrigation and drinking. Nutrient pollution from wastewater can contribute to eutrophication in downstream reservoirs and coastal areas, making advanced treatment important for protecting water quality and aquatic habitats.
Frequently asked questions
The plant is located in Yuzhuang Street, Jiyuan City, Henan Province, China, along S312 road.
The plant serves approximately 211,300 people in Jiyuan City and surrounding areas.
The treated effluent is discharged into a local waterway that flows into the Yellow River basin, eventually reaching the Bohai Sea.
The plant operates under China's national discharge standard GB 18918-2002, which sets limits for pollutants like COD, BOD, ammonia, and phosphorus. Plants serving over 100,000 people typically require advanced treatment to meet Class 1A or 1B standards.
For agglomerations of this size, Chinese regulations generally mandate secondary biological treatment with nutrient removal, often including anaerobic-anoxic-oxic (A2O) processes, followed by disinfection. Tertiary treatment may be required for discharge into sensitive water bodies.
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