Continuous production of aromatic carboxylic acids

Details Continuous production of aromatic carboxylic acids Continuous production of aromatic carboxylic acids

1990-11-29

1992-02-11

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562413, 562416, C07C 51265

Patent

active

050877410

ABSTRACT:
Disclosed is an improved process for the continuous production of aromatic carboxylic acids such as terephthalic acid by the liquid-phase oxidation of an alkyl aromatic compound using an oxygen-containing gas. Operation of the process is improved by providing a spray of recycled reaction medium at or near the top of a columnar oxidation vessel to minimize entrainment of liquid and/or solid components of the reactor in the process off-gas.

REFERENCES:
patent: 4777287 (1988-10-01), Zeitlin et al.

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