●  Capacity: 20000 m3/d

●  Owner: Guangxi Hezhou Tianhe Investment Co., Ltd.

●  Construction site: Hezhou City, Guangxi

●  Project Overview: The sewage treatment plant adopts the CASS process, and a gravity concentration mechanical dewatering scheme for the sludge treatment.  The effluent quality complies with the Class 1 A standard of the "Pollutant Discharge Standards for Urban Sewage Treatment Plants" (GB18918-2002). The treated sewage that meets the standards is led to the upper reaches of the Hejiang River for discharge through sewage pipes. The discharge point is far away from the water source protection zone. The sludge is transported to the Hezhou City garbage disposal site for landfill.

The main production structures of the sewage treatment plant project include: coarse grid and collection well, fine grid and sedimentation tank, regulating tank, accident tank, CASS tank A/B, sedimentation tank A/B,  cloth filter A/B, disinfection channel and metering channel, tailwater tank, sludge conditioning tank, blower room, dewatering room, blower room, production service room, transformer and power distribution room, generator room, guard room, etc.