Continuous process for the preparation of acetic anhydride or mi

Details Continuous process for the preparation of acetic anhydride or mi Continuous process for the preparation of acetic anhydride or mi

1993-05-28

1994-03-08

Dees, Jose G.

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

Organic compounds

Carboxylic acid anhydrides

562893, 562898, C07C 5156, C07C 5112, C07C 51573

Patent

active

052929485

ABSTRACT:
Disclosed is a continuous process for the preparation of acetic anhydride which comprises carbonylating a mixture comprising (i) methyl iodide and (ii) methyl acetate and/or dimethyl ether in the presence of a rhodium catalyst and a promoter wherein the concentration of mesityl oxide in the carbonylation mixture is suppressed by the presence therein of at least 100 ppm of dissolved ferrous and/or cobaltous ion.

REFERENCES:
patent: 4046807 (1977-09-01), Kuckertz
patent: 4115444 (1978-09-01), Rizkalla
patent: 4132734 (1979-01-01), Singleton
patent: 4252748 (1981-02-01), Hoch et al.
patent: 4358411 (1982-11-01), Porcelli et al.
patent: 4534912 (1985-08-01), Cook

Affiliated with

Also associated with

Rating

Continuous process for the preparation of acetic anhydride or mi does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Continuous process for the preparation of acetic anhydride or mi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Continuous process for the preparation of acetic anhydride or mi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-155179