Acid Cation ; Demin process

Strong Acid Cation As mentioned previously, the strong acid cation unit contains a zeolite resin that is regenerated with sulfuric acid (HCI can also be used, but it is more expensive than H2SO4). As the untreated water passes through the strong acid cation unit, the hydrogen ions that occupy the exchange sites in the resin … Continue reading Acid Cation ; Demin process