Resin for precipitation of minerals and salts, methods of...

Details Resin for precipitation of minerals and salts, methods of... Resin for precipitation of minerals and salts, methods of...

B - Operations, Transporting

01

J

B01J 39/08 (2006.01) B01J 49/00 (2006.01) C08J 3/20 (2006.01)

Patent

CA 2760188

A method of producing a scale-control resin including combining in an aqueous solution a cation-exchange resin and a weak-acid anion mineral or salt having a multivalent cation to allow ion exchange between the resin and the multivalent cation. The cation-exchange resin may a weak-acid ion exchange resin. The method may further include adding a strong-acid salt having the same multivalent cation as the weak-acid anion mineral or salt to the aqueous solution.

L'invention porte sur un procédé de production d'une résine antitartre consistant à associer dans une solution aqueuse une résine échangeuse de cations et une matière minérale ou un sel d'anion d'acide faible ayant un cation multivalent pour permettre l'échange d'ions entre la résine et le cation multivalent. La résine échangeuse de cations peut être une résine échangeuse d'ions faiblement acide. Le procédé peut en outre comprendre l'addition à la solution aqueuse d'un sel d'acide fort ayant le même cation multivalent que la matière minérale ou le sel d'anion d'acide faible.

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