What is Ion Exchange?


Ion exchange is the reversible interchange of ions between a solid (ion exchange material) and a liquid in which there is no permanent change in the structure of the solid. It is a very powerful technology to remove impurities from water and other solutions.

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Ion Exchange Resins



DuPont’s highest-quality resin, designed for use in industrial demineralization and softening applications when high operating performance, long resin life, simplified and cost-effective operation is required.



Heterogeneous catalysts available in both acid and base activities, to catalyze the reactions for many of today's most important industrial chemicals. Reactions include alkylation, condensation, esterification, etherification, hydration, and hydrogenation.



Designed to capture uranium or metals in mining and wastewater treatment applications, or for use in other specialized chemical processing applications.