Overview
Hubei wastewater treatment plant serves Yingcheng, Hubei, China, with a population of 175,000. It is an inland facility operating under China's national wastewater standards.
The Hubei wastewater treatment plant is located in Yingcheng, a city in the Xiaogan prefecture of Hubei Province, China. It serves a population of approximately 175,000, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations. The plant is situated in an inland area, far from coastal discharge points. China's wastewater treatment standards, governed by the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), require secondary treatment as a baseline, with tertiary treatment in sensitive watersheds. For a plant of this scale, typical treatment includes biological processes such as activated sludge or anaerobic-anoxic-oxic (A2O) systems to meet Class 1A or 1B effluent standards, depending on the receiving water body's sensitivity. The treated effluent likely discharges into a local river or canal within the Yangtze River basin, as Hubei Province is part of this major watershed. The plant plays a key role in protecting downstream water quality, including the Han River and ultimately the Yangtze River, which supports diverse aquatic life and provides drinking water for millions.
Environmental context
The plant discharges into a tributary of the Han River, which flows into the Yangtze River, one of China's most ecologically and economically significant waterways. The Yangtze basin supports a wide range of aquatic species, including the endangered Yangtze finless porpoise, and provides water for agriculture, industry, and domestic use. Effective treatment at this plant helps reduce nutrient and pollutant loads, mitigating eutrophication risks in downstream lakes and reservoirs.
Frequently asked questions
The Hubei wastewater treatment plant is located in Yingcheng, Xiaogan prefecture, Hubei Province, China. Its address is in Chengbei Subdistrict, Yingcheng.
The plant serves approximately 175,000 people, making it a medium-to-large agglomeration under Chinese wastewater classification.
The treated effluent is discharged into a local watercourse that flows into the Han River, a major tributary of the Yangtze River. The plant is inland, so discharge is to freshwater rather than coastal waters.
The plant operates under China's national wastewater standards, specifically the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for pollutants like COD, BOD, and nutrients.
For a plant of this scale, secondary biological treatment is standard, often with nutrient removal to meet Class 1A or 1B standards. Advanced treatment may be required if the receiving water body is in a sensitive area.
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