Process for the separation of water from a water-containing mixt

Details Process for the separation of water from a water-containing mixt Process for the separation of water from a water-containing mixt

1984-05-18

1987-01-13

Bashore, S. Leon

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 19, 203 23, 203 24, 203 26, 203 42, 203 64, 203 78, 203 84, 568916, 55 32, B01D 340

Patent

active

046362843

ABSTRACT:
A process for the separation of water from a water-containing mixture of azeotrope, with an extractant which removes water from the mixture or azeotrope, recovery of the non aqueous portion of the mixture or azeotrope as a product, and regeneration of the extractant for reuse by the removal of water therefrom. A feature thereof is that residual water can be removed from the extractant, and the extractant regenerated for reuse by contacting the heated extractant with a portion of the same product from which the water has been removed; or, the extractant can be regenerated in the process by contact with an inert gas which has been dried in the process. The water-containing mixture or azeotrope is preferably contacted with a portion of the vaporous product to recover the heat of condensation for use in the process.

REFERENCES:
patent: 2901404 (1959-08-01), Kirshenbaum et al.
patent: 3370636 (1968-02-01), Francis et al.
patent: 3451897 (1969-06-01), Welch
patent: 3867112 (1975-02-01), Honerkamp et al.
patent: 4230887 (1980-10-01), Mitchell et al.
patent: 4273620 (1981-06-01), Knobel
patent: 4400241 (1983-08-01), Braithwaite et al.

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