Catalyst recovery and recycle of catalysts in pseudocument oxida

Details Catalyst recovery and recycle of catalysts in pseudocument oxida Catalyst recovery and recycle of catalysts in pseudocument oxida

1987-09-03

1988-11-22

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

502 24, 502 25, 502 28, C07C 51265

Patent

active

047867523

ABSTRACT:
A method is disclosed for recovery and recycle of metal catalyst components of a catalyst from the liquid-phase oxidation of pseudocumene in the presence of an oxidation catalyst comprising cobalt, manganese, and bromine components or cobalt, manganese, zirconium and bromine components wherein said catalyst components are recovered by oxalate precipitation from aqueous residue.

REFERENCES:
patent: 4488999 (1984-12-01), Feld
patent: 4490297 (1984-12-01), Feld
patent: 4490298 (1984-12-01), Feld
patent: 4587355 (1986-05-01), Brown

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