Separation of heptane from 1-heptene by extractive distillation

Details Separation of heptane from 1-heptene by extractive distillation Separation of heptane from 1-heptene by extractive distillation

1994-05-19

1995-08-22

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 60, 203 62, 203 63, 203 65, 585857, 585862, 585864, 585866, B01D 340, C07C 708

Patent

active

054436974

ABSTRACT:
Heptane is difficult to separate from 1-heptene by conventional distillation or rectification because of the proximity of their boiling points. Heptane can be readily separated from 1-heptene by extractive distillation. Effective agents are diacetone alcohol, ethyl butyrate and dimethylsulfoxide.

REFERENCES:
patent: 2461993 (1949-02-01), McKinnis
patent: 3087866 (1963-04-01), Burch
patent: 3388531 (1968-06-01), Bolles et al.
patent: 5032232 (1991-07-01), Lee et al.
patent: 5068011 (1991-11-01), Lee et al.
patent: 5085740 (1992-02-01), Lee et al.
patent: 5085741 (1992-02-01), Brown et al.
patent: 5100515 (1992-03-01), Lee et al.
patent: 5277766 (1994-01-01), Berg

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