Process for the removal of pentavalent arsenic from water

Details Process for the removal of pentavalent arsenic from water Process for the removal of pentavalent arsenic from water

C - Chemistry, Metallurgy

02

F

C02F 1/28 (2006.01) B01J 41/04 (2006.01) B01J 45/00 (2006.01) C02F 1/42 (2006.01) C02F 1/56 (2006.01) C02F 1/72 (2006.01) C02F 1/76 (2006.01) C08G 73/06 (2006.01)

Patent

CA 2289734

A process for the separation of pentavalent arsenic from an aqueous solution using an N-alkyl pyridinium-containing adsorption medium is disclosed. An oxidizing medium and process for the oxidation of trivalent arsenic to pentavalent arsenic with removal of the pentavalent arsenic so formed is also disclosed.

Procédé pour séparer l'arsenic pentavalent contenu dans une solution aqueuse en utilisant un support d'adsorption contenant du N-alkyle-pyridinium. L'invention concerne en outre un support d'oxydation et un procédé pour oxyder l'arsenic trivalent de manière à obtenir de l'arsenic pentavalent, et retirer l'arsenic pentavalent ainsi formé.

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