Filming amines that are added to feedwater in cooling water systems to coat and protect surfaces against corrosion can have an impact on the properties and performance of polishing ion exchange resins. The interaction of two types of filming amines with two  types of cation exchange resins and one anion exchange resin were investigated.  The properties of the resins in standard, exposed and regenerated forms were measured in order to determine the effect of exposure to filming amines. The results indicated that higher amounts of filming amines were absorbed by the cation exchange resins as compared to the anion exchange resin. In all cases a decrease in exchange capacity was observed and it was not possible to recover resin properties completely after regeneration.

Influence of filming amines on properties of ion exchange resins in condensate systems

245th National Meeting (2013)

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