Fractionation process

Details Fractionation process Fractionation process

1977-10-07

1979-01-30

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

And recovering heat by indirect heat exchange

Utilizing recovered heat for heating the distillation zone

203 78, 203 88, 62 26, 62 31, 260676R, 260677A, C07C 704, B01D 128, B01D 306

Patent

active

041371291

ABSTRACT:
A process for separating two close-boiling chemical compounds by fractionation wherein the bottoms liquid stream removed from the fractionation column is flashed to produce cool liquid which is then used to condense overhead vapors of the column. The column is reboiled by vapor derived from the flashed bottoms liquid stream and which has been heated by compression in a heat pump.

REFERENCES:
patent: 2127004 (1938-08-01), Nelson
patent: 3260057 (1966-07-01), Becker
patent: 3414484 (1968-12-01), Carson et al.
patent: 3418215 (1968-12-01), Nirenberg
patent: 3568457 (1971-03-01), Briggs et al.
patent: 3654094 (1972-04-01), Yamagishi et al.

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