Separation of cumene from 3-ethyl toluene by azeotropic distilla

Details Separation of cumene from 3-ethyl toluene by azeotropic distilla Separation of cumene from 3-ethyl toluene by azeotropic distilla

1999-07-12

1999-12-21

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 60, 203 62, 203 63, 203 64, 203 69, B01D 334

Patent

active

060044357

ABSTRACT:
Cumene cannot be separated from 3-ethyl toulene by distillation because of the proximity of their boiling points. They are readily separated by azeotropic distillation. Effective agents are methyl salicylate, diethylene glycol butyl ether and 3-nitrotoluene.

REFERENCES:
patent: 4097371 (1978-06-01), Giroux
patent: 4166772 (1979-09-01), Martha
patent: 5064507 (1991-11-01), O'Donnell et al.

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