Overview
Zhejiang wastewater treatment plant serves 30,000 people in Lin'an District, Hangzhou, Zhejiang Province, China. It operates under China's national wastewater standards for secondary treatment.
The Zhejiang wastewater treatment plant is located in Yuqian Town, Lin'an District, Hangzhou, within Zhejiang Province, China. It serves a population of approximately 30,000, classifying it as a medium-sized municipal facility. The plant is situated in an inland area, more than 50 km from the coast, and its operations are integral to local water management. The plant is expected to meet China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which mandates secondary treatment with nutrient removal for facilities of this scale. Chinese regulations require such plants to achieve effluent standards that protect receiving water bodies, typically involving biological treatment processes. The treated effluent likely discharges into a local river or stream within the Qiantang River basin, which flows into Hangzhou Bay and ultimately the East China Sea. The plant plays a key role in protecting downstream water quality and supporting the ecological health of the region's freshwater systems.
Environmental context
The plant is situated in the Qiantang River basin, which drains into Hangzhou Bay and the East China Sea. The watershed supports diverse aquatic life and is important for regional fisheries and agriculture. The plant's discharge helps maintain water quality in local rivers, which are used for irrigation and as drinking water sources downstream.
Frequently asked questions
The plant is located in Yuqian Town, Lin'an District, Hangzhou, Zhejiang Province, China.
The plant serves approximately 30,000 people, classifying it as a medium-sized municipal facility.
The treated effluent likely discharges into a local river within the Qiantang River basin, which flows into Hangzhou Bay and the East China Sea.
The plant must comply with China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for secondary treatment and nutrient removal.
Plants of this scale in China typically use biological treatment processes such as activated sludge or sequencing batch reactors to meet secondary treatment standards.
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