Recovery of aromatic carboxylic acid or ester thereof from resid

Details Recovery of aromatic carboxylic acid or ester thereof from resid Recovery of aromatic carboxylic acid or ester thereof from resid

1980-04-28

1982-08-17

Siegel, Alan

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

Organic compounds

Carboxylic acid esters

560101, 560102, 560103, 562487, 562490, 562492, 562494, C07C 6700, C07C 5142

Patent

active

043450890

ABSTRACT:
Disclosed is a process for the recovery of aromatic carboxylic acid or ester thereof from the residue fraction of the oxidation or esterification reaction mixture resulting from the oxidation or oxidation and esterification of an aromatic compound having at least one methyl or formyl group directly bonded to a ring carbon atom. The process comprises treating the residue fraction with hydrogen and a hydrogenation catalyst.

REFERENCES:
patent: 3522298 (1970-07-01), Bryant et al.
patent: 3845100 (1974-10-01), Kusak

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