Method for reactivating a group VIII noble metal catalyst for us

Details Method for reactivating a group VIII noble metal catalyst for us Method for reactivating a group VIII noble metal catalyst for us

1988-03-29

1989-02-28

Konopka, Paul E.

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

Organic compounds

Carboxylic acids and salts thereof

502 25, 502 26, C07C 5142, C07C 6326, B01J 2396, B01J 2020

Patent

active

048087513

ABSTRACT:
A method is disclosed for reactivating a Group VIII noble metal catalyst employed in the purification of crude terephthalic acid formed by the liquid-phase oxidation of p-xylene in the presence of a catalyst comprising cobalt, manganese and bromine components.

REFERENCES:
patent: 4263452 (1981-04-01), Komatsu et al.
patent: 4629715 (1986-12-01), Schroeder
patent: 4728630 (1988-03-01), Schroeder et al.

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