Method of producing ethanol-water azeotrope from crude ethanol

Details Method of producing ethanol-water azeotrope from crude ethanol Method of producing ethanol-water azeotrope from crude ethanol

1983-05-12

1984-05-15

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203 75, 203 76, 203 77, 203DIG13, 203DIG19, 568921, B01D 340, C07C 2988

Patent

active

044486448

ABSTRACT:
This invention relates to a process for purifying crude ethanol, whether produced by fermentation or by the synthetic route, to produce a pure ethanol-water azeotrope. The process uses only two distillation columns for fermentation ethanol or synthetic ethanol eventhough the latter has diethyl ether as impurity. The inventive concept lies in the design and specification of the columns and the specific high pressure and low reflux ratio distillation conditions which enable each of the impurities in ethanol to be reduced below ppm. Ethanol of such purity is most desirable when used for potable or pharmaceutical purposes.

REFERENCES:
patent: 2801209 (1957-07-01), Muller et al.
patent: 3265594 (1966-08-01), DeJean et al.
patent: 3406100 (1968-10-01), Karafian
patent: 3445345 (1969-05-01), Katzen et al.
patent: 4308109 (1981-12-01), Griffiths et al.

Affiliated with

Also associated with

Rating

Method of producing ethanol-water azeotrope from crude ethanol does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of producing ethanol-water azeotrope from crude ethanol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of producing ethanol-water azeotrope from crude ethanol will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-843542