Separation of phenol-, cyclohexanone-, and cyclohexylbenzene-con

Details Separation of phenol-, cyclohexanone-, and cyclohexylbenzene-con Separation of phenol-, cyclohexanone-, and cyclohexylbenzene-con

1978-12-20

1980-05-06

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

At least two materials

203 60, 568749, 568366, B01D 340, C07C 3722, C07C 4524

Patent

active

042016320

ABSTRACT:
Phenol-, cyclohexanone-, and cyclohexylbenzene-containing mixtures are extractively distilled to provide an overhead of cyclohexanone substantially free of phenol and cyclohexylbenzene and a bottoms containing phenol and cyclohexylbenzene, substantially free of cyclohexanone by employing a nitrile solvent.

REFERENCES:
patent: 3248308 (1966-04-01), Haskell
patent: 4016049 (1977-04-01), Fozzard
patent: 4019965 (1977-04-01), Fozzard
patent: 4021490 (1977-05-01), Hudson

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