Separation of ethyl benzene from o-xylene by extractive distilla

Details Separation of ethyl benzene from o-xylene by extractive distilla Separation of ethyl benzene from o-xylene by extractive distilla

1994-01-14

1995-03-14

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 63, 203 65, 585805, 585808, 585860, 585864, B01D 340, C07C 708

Patent

active

053974417

ABSTRACT:
Ethyl benzene is difficult to separate from o-xylene by conventional distillation or rectification because of the closeness of their boiling points. Ethyl benzene can be readily separated from o-xylene by extractive distillation. Effective agents are phenol, cresols, nitrotoluenes and cyclododecanol.

REFERENCES:
patent: 3105017 (1963-09-01), Amir et al.
patent: 4299668 (1981-11-01), Berg
patent: 5135620 (1992-08-01), Brown

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