Separation of ethanol, isopropanol and water mixtures by extract

Details Separation of ethanol, isopropanol and water mixtures by extract Separation of ethanol, isopropanol and water mixtures by extract

1997-04-21

1998-09-01

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 18, 203 19, 203 58, 203 62, 203 64, 203 65, 203 68, 203 69, 568913, 568916, B01D 340, C07C 2984

Patent

active

058006818

ABSTRACT:
Ethanol, isopropanol and water cannot be separated from each other by distillation or rectification because of minimum azeotropes. They are readily separated by extractive distillation. Effective agents are: dimethylsulfoxide for ethanol, phenol for isopropanol.

REFERENCES:
patent: 2375036 (1945-05-01), Dunn et al.
patent: 3898291 (1975-08-01), Darsi et al.
patent: 3960672 (1976-06-01), Ester
patent: 4428798 (1984-01-01), Zud Kevitch et al.
patent: 4559109 (1985-12-01), Lee et al.
patent: 4566948 (1986-01-01), Berg et al.
patent: 4636284 (1987-01-01), English et al.
patent: 4710274 (1987-12-01), Berg et al.
patent: 5084142 (1992-01-01), Berg et al.
patent: 5085739 (1992-02-01), Berg et al.
patent: 5449440 (1995-09-01), Rescalli et al.

Affiliated with

Also associated with

Rating

Separation of ethanol, isopropanol and water mixtures by extract does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Separation of ethanol, isopropanol and water mixtures by extract, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Separation of ethanol, isopropanol and water mixtures by extract will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-266333