Removal of halide impurities from organic liquids

Details Removal of halide impurities from organic liquids Removal of halide impurities from organic liquids

B - Operations, Transporting

01

D

B01D 53/34 (2006.01) C07C 51/47 (2006.01) C07C 51/573 (2006.01)

Patent

CA 2082534

A method is provided for removing iodide compounds, particularly alkyl iodide compounds, from iodine-containing liquids, particularly carboxylic acids and anhydrides manufactured by the carbonylation of alcohols, ethers, esters, and the like in the presence of a rhodium catalyst and an alkali metal or alkaline earth metal salt, particularly a lithium salt, wherein the carboxylic acid or anhydride is contacted with a silver or mercury salt coordinated to a polymeric resin containing functional groups having the capability to quaternize with or form ionic salts with the alkyl halides,

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