Qingdao Haibo River sewage treatment process primary treatment process which are

Conditioning tank, coarse grating and fine grating, sand sedimentation tank, primary sedimentation tank, air flotation tank, hydrolysis acidification tank. According to the query sewage treatment information, Qingdao Hai Po River sewage treatment process primary treatment process has a regulating pool, coarse and fine grating, sand sedimentation tank, primary sedimentation tank, air flotation tank, hydrolysis acidifier. Sewage treatment process is divided into three levels: primary treatment: physical treatment, mechanical treatment, such as grizzly, sedimentation or air flotation, to remove stones, sand, fat, oil and grease contained in sewage. Secondary treatment: biochemical treatment. Pollutants in sewage are degraded and transformed into sludge by microorganisms. Tertiary treatment: deeper treatment of the effluent, including removal of nutrients from the effluent by chlorination, ultraviolet light or ozone technology and disinfection. Depending on the treatment objectives and water quality, some wastewater treatment processes do not include all of the above processes.