Overview
Guangxi wastewater treatment plant serves 62,300 people in Napo County, Baise City, Guangxi, China. It operates under China's national wastewater standards for inland communities.
The Guangxi wastewater treatment plant is located in Napo County, Baise City, in the Guangxi Zhuang Autonomous Region of China. It serves a population of approximately 62,300, classifying it as a medium-sized municipal facility in a mountainous inland region near the border with Vietnam. China's wastewater treatment regulations, including the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), set effluent limits based on receiving water sensitivity. For inland plants like this one, Grade 1-A standards are typically required for discharge into surface waters, which mandate advanced treatment including nutrient removal. Facilities of this scale in China commonly employ activated sludge processes with biological nutrient removal. The plant discharges into local waterways that eventually feed into the Zuo River system, part of the larger Pearl River basin. This river network supports diverse aquatic life and provides water for agriculture and communities downstream. The plant's operation is critical for protecting water quality in this ecologically sensitive karst region, which features unique limestone landscapes and groundwater systems.
Environmental context
The plant's treated effluent flows into tributaries of the Zuo River, which joins the Yu River to form the Pearl River, ultimately reaching the South China Sea near Guangzhou. The surrounding karst terrain creates interconnected surface and groundwater systems, making pollution control vital for maintaining water quality in springs and wetlands that support rare flora and fauna. The region's subtropical climate with heavy monsoon rains can challenge treatment performance during wet season flows.
Frequently asked questions
The plant is located in Napo County, Baise City, in the Guangxi Zhuang Autonomous Region of China, near the border with Vietnam.
The plant serves approximately 62,300 people, making it a medium-sized municipal facility.
The plant discharges treated effluent into local waterways that feed into the Zuo River system, part of the Pearl River basin, which flows to the South China Sea.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which requires Grade 1-A standards for inland surface water discharge, including nutrient removal.
Plants of this scale in China commonly use activated sludge processes with biological nutrient removal to meet Grade 1-A standards, which mandate limits on COD, BOD, ammonia, and phosphorus.
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