Catalyst and method for purifying crude terephthalic acid,...

Details Catalyst and method for purifying crude terephthalic acid,... Catalyst and method for purifying crude terephthalic acid,...

B - Operations, Transporting

01

J

B01J 23/40 (2006.01) C07C 51/487 (2006.01) C07C 63/15 (2006.01) C07C 63/38 (2006.01)

Patent

CA 2157192

A method is disclosed for the purification of crude terephthalic acid, crude isophthalic acid or a crude naphthalene dicarboxylic acid that employs a titanium dioxide-supported purification catalyst.

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