When it comes to water treatment, ion exchange resins are one of the most popular methods of removing impurities. These resins are highly effective at removing unwanted minerals and contaminants from water, but with so many different types of ion exchange resins available, it can be difficult to know which one is right for your specific needs. In this article, we will explore the various types of ion exchange resins and provide guidance on how to choose the right one for your application.
2023-03-23Cation Exchange Resins contain negatively charged functional groups, which attract positively charged ions in solution. One of its applications is separating positive ions from contaminated water. Cation Exchange Resins are also further classified into two sub-groups: Strong acid cation (SAC) resins: They are made of polystyrene with a sulfonate functional group (SO3-) that is either charged with hydrogen ions (H+) or sodium ions (Na2+). Weak acid cation (WAC) resins: They are composed of acrylic polymer with carboxylic acid groups as functional groups and have a high affinity for hydrogen ions. These are commonly used to remove alkalinity-associated cations.
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