Homologation process for the production of ethanol from methanol

Details Homologation process for the production of ethanol from methanol Homologation process for the production of ethanol from methanol

1980-04-10

1981-03-03

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431C, 252431P, B01J 3124

Patent

active

042539870

ABSTRACT:
A process for producing ethanol from the reaction of methanol, hydrogen and carbon monoxide catalyzed by a phosphine-iodine promoted cobalt-ruthenium catalyst, the improvement of maintaining the phosphine to halide ratio and concentration within a critical range, and whereby the concentration of phosphine compound in the reaction mixture is increased without causing an undesirable decrease in the activity of the catalyst; thereby obtaining a highly stable and active catalyst providing an increased selectivity to ethanol formation . This is accomplished under such conditions that the catalyst stability is maintained and the ratio of phosphine to halide is kept at a relatively constant value during the reaction.

REFERENCES:
patent: 3248432 (1966-04-01), Riley et al.
patent: 3285948 (1966-11-01), Rutter
patent: 4133966 (1979-01-01), Pretzel et al.

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