Any export certifications on silicone products manufacturer ?
2019-12-07
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

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Mechanical filter filling order, why is the most detailed above? Remove impurities such as mud sand, suspended matter, colloid and algae from the water,Reduce mechanical damage and pollution to reverse osmosis membrane elements.A multi-media filter uses one or more filter media,At a certain pressure, water with high turbidity is passed through granular or non-granular materials of a certain thickness,So that the process of effectively removing suspended impurities to clarify water,The commonly used filter material has quartz sand,Anthracite,Manganese sand, etc,It is mainly used for removing turbidity from water treatment,Softened Water,Pre-treatment of pure water, etc,The turbidity of the effluent can reach less than 3 degrees.Multi-media filter (filter bed ),Both two or more media are used as the media filter of the filter layer,In the industrial circulating water treatment system,It is used to remove impurities and absorb oil from sewage,Make the water quality meet the requirements of recycling.T
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