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How to treat industrial wastewater? Summary of 14 industrial wastewater treatment processesSurface treatment wastewater1. polishing and polishing wastewaterIn the process of polishing and polishing the parts, due to the existence of abrasive and polishing agents, the main pollutants in industrial wastewater are COD, BOD and SS.Generally, the following processing process can be used for processing:Wastewater → regulation pool → coagulation reaction tank → sedimentation tank → hydropickling pool → aerobic pool → two sedimentation tank → filtration → emission2. degreasing wastewaterThe common skim processes are: organic solvent skim, chemical skim, chemical skim, ultrasonic skim. In addition to organic solvent degreasing, other skim processes are composed of skim agents containing alkaline substances, Surface Active Agents, corrosion inhibitors, etc, the main pollutants in wastewater are pH, SS, COD, BOD, petroleum, chroma, etc.Generally, the fol
