Overview
Liaoning wastewater treatment plant serves Shenyang, Liaoning, China, with a population equivalent of 90,000. The plant discharges into local water bodies within the Liao River basin.
The Liaoning wastewater treatment plant is located in the Yuzhong District of Shenyang, Liaoning Province, China. It serves a population equivalent of approximately 90,000 people, placing it in the medium agglomeration category for Chinese wastewater infrastructure. The plant is situated in the Liao River basin, a major water system in northeastern China. As a municipal facility in China, the plant is subject to national discharge standards under the Environmental Protection Law and the Water Pollution Prevention and Control Law. For agglomerations of this scale, secondary treatment is typically required, with potential nutrient removal in sensitive areas. The plant's operational details and specific treatment processes are not publicly available, but it is expected to meet Class 1A or 1B standards under the Chinese Discharge Standard for Municipal Wastewater Treatment Plants (GB 18918-2002). The treated effluent from the plant ultimately flows into the Liao River system, which drains into the Bohai Sea. The Liao River basin supports diverse aquatic life and is an important agricultural and industrial region. Proper wastewater treatment is critical to reducing nutrient loads and protecting downstream water quality in the Bohai Sea.
Environmental context
The plant discharges into the Liao River basin, which flows through Liaoning Province and empties into the Bohai Sea. The Bohai Sea is a semi-enclosed marginal sea with limited water exchange, making it sensitive to nutrient pollution from upstream sources. The Liao River system supports fisheries and provides water for irrigation and industry, so effective treatment is essential to prevent eutrophication and maintain ecological balance.
Frequently asked questions
The plant is located in the Yuzhong District of Shenyang, Liaoning Province, China, near the Cichang Line.
The plant serves approximately 90,000 people, classifying it as a medium-sized municipal wastewater treatment facility.
The treated effluent is discharged into local water bodies within the Liao River basin, which ultimately flows into the Bohai Sea.
The plant operates under China's national discharge standards, including the Discharge Standard for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets limits for pollutants like COD, BOD, and nutrients.
For agglomerations of this size, secondary treatment with nutrient removal is commonly required to meet Class 1A or 1B standards, especially in environmentally sensitive areas.
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