Ion exchange polymers for anion separations

B - Operations – Transporting – 01 – J

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Details

B01J 41/14 (2006.01) B01J 41/04 (2006.01) C02F 1/42 (2006.01) C08F 8/44 (2006.01) C08F 226/06 (2006.01)

Patent

CA 2223945

Anion exchange resins including at least two positively charged sites and a well-defined spacing between the positive sites are provided together with a process of removing anions or anionic metal complexes from aqueous solutions by use of such resins. The resins can be substituted poly(vinylpyridine) and substituted polystyrene.

La présente invention décrit des résines échangeuses d'anions comportant au moins deux sites chargés positivement ainsi qu'un espacement bien défini entre les sites positifs. L'invention décrit également le procédé permettant de séparer les anions ou les complexes métalliques anioniques des solutions aqueuses à l'aide de telles résines. Celles-ci peuvent être poly(vinylpyridine) substitué et polystyrène substitué.

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