Process for removing iodide compounds from carboxylic acids...

Details Process for removing iodide compounds from carboxylic acids... Process for removing iodide compounds from carboxylic acids...

C - Chemistry, Metallurgy

07

C

C07C 53/00 (2006.01) C07C 51/47 (2006.01) C07C 51/573 (2006.01)

Patent

CA 2080744

Case 7884(2) ABSTRACT OF THE DISCLOSURE PROCESS FOR REMOVING IODIDE COMPOUNDS FROM CARBOXYLIC ACIDS AND CARBOXYLIC ACID ANHYDRIDES In a process for removing iodide compounds from a liquid composition comprising carboxylic acids having 2 to 6 carbon atoms or anhydrides thereof, by passing the liquid composition through a silver, mercury, palladium and/or rhodium-exchanged strong acid cation exchange resin, prior to contacting with the metal-exchanged resin the composition is contacted with a cation exchanger in the acid form to remove at least a portion of the metal ion contaminants in the liquid composition which have been found to displace the silver, mercury, palladium and/or rhodium from the metal-exchanged resin.

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