Process for the purification of carboxylic acids

Details Process for the purification of carboxylic acids Process for the purification of carboxylic acids

1975-08-12

1978-08-29

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260408, 260419, 260514R, 260514J, 260514K, 260525, 260526N, 260535R, 260537R, 260538, 260539A, 260541, C07C 5142

Patent

active

041103726

ABSTRACT:
A process for the removal of formic acid from a crude mixture thereof with carboxylic acids by reacting the formic acid component of the mixture with a carboxylic anhydride and/or a compound forming an anhydride with a carboxylic acid, which comprises carrying out the reaction in the presence of an acidic catalyst.

REFERENCES:
patent: 2770585 (1956-11-01), Smith et al.

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