Production of aromatic carboxylic acids

Details Production of aromatic carboxylic acids Production of aromatic carboxylic acids

1975-01-31

1976-07-06

Patten, James A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6324, C07C 6326

Patent

active

039681521

ABSTRACT:
Aromatic mono- and polycarboxylic acids are produced by hydrolyzing the corresponding mono- and polynitriles in aqueous slurry containing a catalyst, removing ammonia from the hydrolysis mixture by countercurrent stripping with steam, and cooling the hydrolysis product to separate the carboxylic acid.

REFERENCES:
patent: 2979526 (1961-04-01), Gasson et al.
patent: 3031500 (1962-04-01), Gasson et al.

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