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What is ED?

May 02, 2019

I. purpose:Polyethylene heterophase ion exchange membrane contains enough fixed groups and dissociable ions, which have certain selective permeability and conductivity to the ions in solution. It is widely used in the electrochemical department to separate different types of ions.For example, desalination of seawater and brackish water, desalination and concentration of solution, recovery and purification of inorganic compounds prepared by electrolysis and radioactive elements, softening and desalination of boiler water, processing of industrial products such as metallurgy, coal, electronics, medicine, chemical industry and food.

Ii. AppearancePolyethylene heterogeneous ion exchange membrane should be smooth and uniform, without obvious mechanical damage (fracture), no off-grid rolling, do not allow the existence of impurities affecting the quality.Specification: the appearance of 3361BW positive film is brownish yellow, and the appearance of 3362BW negative film is blue.The size and specification of polyethylene heterophase ion exchange membrane are as follows:Thickness: 0.42 mmAllowable thickness tolerance: 0.04mm(dry)Effective area: 800mm 1600mmIon-exchange membrane contains enough fixed groups and dissociable ions, and has certain selectivity and conductivity for various ions. It is widely used in electrochemical departments to separate different types of ions.For example, desalination of seawater and brackish water, desalination and concentration of solution, recovery and purification of inorganic compounds and radioactive elements through electrolysis, softening and desalination of boiler water, processing of industrial products such as electronics, medicine, chemical industry, food, coal and metallurgy.

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