Recovering cobalt and bromide catalyst values using a strong ani

Details Recovering cobalt and bromide catalyst values using a strong ani Recovering cobalt and bromide catalyst values using a strong ani

1978-03-03

1979-07-31

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252411R, 423139, 562414, B01J 2394, B01J 2732, C01G 5100, C07C 5133

Patent

active

041629914

ABSTRACT:
Cobalt catalyst values are recovered from mother liquors remaining from oxidations to mono- or polycarboxylic acids in lower aliphatic monocarboxylic acids in presence of catalysts comprising cobalt and bromide ions by (1) if necessary, adjusting the cobalt and bromide concentrations so that they are within specified limits (2) adsorbing cobalt and bromide ions (differentially with respect to extraneous ions) on a strongly basic anion exchange resin and (3) desorbing cobalt and bromide ions with lower aliphatic monocarboxylic acid containing more than 10% by weight of water.

REFERENCES:
patent: 3235377 (1966-02-01), Hard et al.
patent: 3650688 (1972-03-01), Fekete et al.
patent: 3880920 (1975-04-01), Wampfler

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