... ion, organic compound, viruses and bacillus can be removed, and we can get high quality pure water. Lon-exchange ... is a method to wipe off the electrolyte in water by use of selection and balancing principle to ion ... resin in exchanging pole, using ion-exchange resin to exchange with calcium, magnesium and natrium ... ions to get high pure water. Lon-exchange resin is macromolecule compound, it is ...