Receiving range: domestic sewage discharged from Beitang Development Zone, Beitang Residential Area, and Ocean High-tech Zone and some industrial wastewater

Process route: A/0+ deep bed filter

Acceptance Criteria: Local standard "Integrated Wastewater Discharge Standard" DB12/599-2015

Treatment capacity: 150000 Ton/day

Effect: it has upgraded the original system's effluent index, greatly reduced the emission of pollutants, and solved the long-term problems of local residents, which has made a great contribution to improving the surrounding environment.