With the development of the city, the requirement for the degree of municipal sewage treatment has been constantly raised, and the standard of sewage treatment effluent has also been marked.
At present, Municipal sewage treatment process generally adopts the combination of primary treatment + secondary treatment + deep treatment.
Primary Treatment
Grille, collecting tank, sand settling tank, coagulation sedimentation tank and air flotation process.
Secondary Treatment
Activated sludge process (A/O, A/A/O, SBR, CASS, Orbal Oxidation ditch)
Biological membrane (Biological filter, Biological rotating disc, Biological contact oxidation)
Deep Treatment
Filter cloth filter, The MBR membrane process
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