The superficial physical structure of the solid is not affected. The direction of the exchange depends upon the selective attraction of the ion exchanger resin for the certain ions present and the concentrations of the ions in the solution.

Both cation and anion exchange are used in water conditioning. Cation exchange is commonly used for water softening.

See Also: Free Base Form Cation Exchange Resin Cation Exchange Resin Cation Exchange Ion Exchanger Anion Exchange Electrodialysis Resin Free Acid Form Free Base Form Water Softening Service Unit Hot Process Softening Hydraulic Classification Free Acid Form Validation Thermal Stratification Stratification Stratified Bed Cation Exchange Resin Cation Exchange Resin Cation Exchange Ion Exchanger Anion Exchange Electrodialysis Resin Free Acid Form Free Base Form Water Softening Service Unit Club Soda Community Water System Zone of Saturation Bottled Artesian Water Bottled Distilled Water Bottled Fluoridated Water Bottled Mineral Water Bottled Natural Water Lime Soap Bottled Spring Water Brackish Water Brine Internal Water Treatment Aesthetic Contaminants Health Contaminant Drainage Basin Drinking Water Drinking Water Standards Municipal Water Permutit Process Phosphate Potable (Drinking) Water Etching External Water Treatment United States Pharmacopeia (USP) Water Softening WFI Sulfur (S) Safe Drinking Water Act (SDWA) Safe Water Sewage Silica Sodium Carbonate Softened Water Soft Water Lime (CaO) Lime Softening Burnt Lime (CaO) Hydrated Lime Hot-Lime Softening Hot Lime-Soda Softening Hot Process Softening Municipal Softening Rated Capacity Water Softening Soda Ash Rated Capacity" />

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Ion Exchange

A reversible chemical process in which ions from an insoluble permanent solid medium (the "ion exchanger"--usually a resin) are exchanged for ions in a solution or fluid mixture surrounding the insoluble medium.

The superficial physical structure of the solid is not affected. The direction of the exchange depends upon the selective attraction of the ion exchanger resin for the certain ions present and the concentrations of the ions in the solution.

Both cation and anion exchange are used in water conditioning. Cation exchange is commonly used for water softening.

See Also: Free Base Form Cation Exchange Resin Cation Exchange Resin Cation Exchange Ion Exchanger Anion Exchange Electrodialysis Resin Free Acid Form Free Base Form Water Softening Service Unit Hot Process Softening Hydraulic Classification Free Acid Form Validation Thermal Stratification Stratification Stratified Bed Cation Exchange Resin Cation Exchange Resin Cation Exchange Ion Exchanger Anion Exchange Electrodialysis Resin Free Acid Form Free Base Form Water Softening Service Unit Club Soda Community Water System Zone of Saturation Bottled Artesian Water Bottled Distilled Water Bottled Fluoridated Water Bottled Mineral Water Bottled Natural Water Lime Soap Bottled Spring Water Brackish Water Brine Internal Water Treatment Aesthetic Contaminants Health Contaminant Drainage Basin Drinking Water Drinking Water Standards Municipal Water Permutit Process Phosphate Potable (Drinking) Water Etching External Water Treatment United States Pharmacopeia (USP) Water Softening WFI Sulfur (S) Safe Drinking Water Act (SDWA) Safe Water Sewage Silica Sodium Carbonate Softened Water Soft Water Lime (CaO) Lime Softening Burnt Lime (CaO) Hydrated Lime Hot-Lime Softening Hot Lime-Soda Softening Hot Process Softening Municipal Softening Rated Capacity Water Softening Soda Ash Rated Capacity