Industry solutions for water treatment
A typical urban sewage treatment process mainly includes mechanical treatment, biochemical treatment, sludge treatment and other sections. The system composed of mechanical treatment and biochemical treatment is a secondary treatment system, and its BOD5 and SS removal rate can reach 90% to 98%. The treatment effect between primary and secondary treatment is generally called enhanced primary treatment, primary and a half treatment or incomplete secondary treatment. There are two main categories: high-load biological treatment and chemical treatment. The BOD5 removal rate can be Reaching 45% to 75%. Secondary treatment systems with biological phosphorus and denitrification functions are often called deep secondary treatment. In order to remove specific substances, the treatment system set up after the secondary treatment is a tertiary treatment, such as chemical phosphorus removal, flocculation filtration, activated carbon adsorption, etc. The oxidation ditch p...