Removal of halides from carboxylic acids

Details Removal of halides from carboxylic acids Removal of halides from carboxylic acids

C - Chemistry, Metallurgy

07

C

403/2, 260/534.6

C07C 51/47 (2006.01) B01J 39/04 (2006.01) C07C 53/08 (2006.01) C08F 8/42 (2006.01)

Patent

CA 1305181

-31- REMOVAL OF HALIDES FROM CARBOLIC ACIDS ABSTRACT OF THE DISCLOSURE This invention relates to a method for removing from liquid carboxylic acid contaminated with halide impurity by con- tacting the liquid halide-contaminated aced with a silver(1) exchanged macroreticular resin. The halide reacts with the resin-bound sliver and is removed from the carboxylic acid stream. The present invention also relates to an improved method for pro- ducing silver-exchanged macroreticular resins suitable for use in the present invention.

570275

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