Separation of benzene from close boiling hydrocarbons by azeotro

Details Separation of benzene from close boiling hydrocarbons by azeotro Separation of benzene from close boiling hydrocarbons by azeotro

1994-01-14

1995-04-11

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 66, 585860, 585864, 585865, 585866, B01D 336, C07C 706

Patent

active

054055059

ABSTRACT:
Benzene is difficult to separate from cyclohexane or cyclohexene by conventional distillation or rectification because of the close proximity of their boiling points. Benzene can be readily separated from cyclohexane or cyclohexene by using azeotropic distillation. Effective agents are: for benzene from cyclohexane, dimethoxymethane; for benzene from cyclohexene, methanol.

REFERENCES:
patent: 2279194 (1942-04-01), Field
patent: 2313536 (1943-03-01), Greenburg
patent: 2313538 (1943-03-01), Greenburg
patent: 2352534 (1944-06-01), Greenburg
patent: 2356240 (1944-08-01), Hamlin
patent: 2618591 (1952-11-01), Anderson
patent: 2890154 (1959-06-01), Maisel
patent: 4514262 (1985-04-01), Berg

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