The wastewater treatment plant is located around the water body, he treated water out of the minimum is a B standard, and then discharged into the water body for self-purification, which is the last step. (Of course if his effluent does not meet the standard, he cannot discharge it, it has to go back to the raw pool, so the raw pools of the sewage treatment plants are very large.)
As the national water pollution control and management of science and technology major special projects and Tianjin sponge city construction and the Haihe River dry water environment improvement technology research and demonstration projects, Tianjin Water Academy of Sciences assumed the North Canal Tianjin section of the village and town pollution control and river restoration technology research and demonstration projects.