Process for producing a carbonic acid ester

Details Process for producing a carbonic acid ester Process for producing a carbonic acid ester

1992-06-30

1993-08-03

Lee, Mary C.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

558277, C07C 6996

Patent

active

052328848

ABSTRACT:
A process for producing a carbonic acid ester which comprises reacting an alcohol with carbon monoxide and oxygen in the presence of a catalyst comprising a compound of divalent copper is disclosed, wherein the catalyst deactivated as a result of the carbonic acid ester-producing reaction is regenerated by subjecting a reaction mixture or a concentrate thereof containing the deactivated catalyst to water-replacement treatment, followed by heat treatment and weak-acid treatment.

REFERENCES:
patent: 3952045 (1976-04-01), Gaenzler et al.

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