DI Resin Regeneration Return to: ABA Home Contact ABA | DI Water Specialists DI Resin Regeneration Resin for EDM Technology DI Cells & Bulk Products DI Tank Configurations... our multistage, resin recovery process. Reuse your DI Resin again and again ... During the deionizing process, the DI resin attracts minerals and trace elements of the raw water..., and binds these to the resin. Anion resin attracts salts. Cation resin attracts chlorides and sulfates. Both attract trace elements, such as heavy metals, to further purify the water...