Distillation: processes – separatory – With disparate physical separation – Utilizing liquid-liquid extracting of distillation product
Patent
1991-02-28
1991-10-15
Bascomb, Jr., Wilbur
Distillation: processes, separatory
With disparate physical separation
Utilizing liquid-liquid extracting of distillation product
203 81, 203 83, 203 96, 203 97, 203DIG19, 560248, 567608, 567891, 568411, 570263, B01D 340, C07C 4583, C07C 5112, C07C 5312
Patent
active
050571923
ABSTRACT:
Disclosed is an improved process for the removal of acetone from a production system wherein acetic anhydride is produced by contacting a mixture containing methyl iodide and methyl acetate and/or dimethyl ether with carbon monoxide in the presence of a carbonylation catalyst or catalyst system. The process involves a water-methyl iodide extraction step wherein acetone is separated from a mixture of methyl acetate, methyl iodide and acetone.
REFERENCES:
patent: 3409513 (1968-11-01), Hamlin et al.
patent: 3531376 (1970-09-01), Minoda et al.
patent: 4046807 (1977-09-01), Kuckertz
patent: 4252748 (1981-02-01), Hoch et al.
patent: 4374070 (1983-02-01), Larkins et al.
patent: 4444624 (1984-04-01), Erpenbach et al.
patent: 4559183 (1985-12-01), Hewlett
patent: 4717454 (1988-01-01), Erpenbach et al.
Cook Steven L.
Outlaw Charles E.
Schisla, Jr. Robert M.
Zoeller Joseph R.
Bascomb, Jr. Wilbur
Eastman Kodak Company
Heath, Jr. William P.
Thomsen J. Frederick
LandOfFree
Acetone removal from acetic anhydride production process does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Acetone removal from acetic anhydride production process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Acetone removal from acetic anhydride production process will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-988739