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

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

1977-07-21

1978-09-19

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 84, 260586R, 568749, B01D 340, C07C 3904, C07C 4524

Patent

active

041152069

ABSTRACT:
Phenol-, cyclohexanone-, and cyclohexylbenzene-containing mixtures are extractively distilled employing an organic carbonate to provide overhead of high purity cyclohexanone and a kettle product substantially free of cyclohexanone and containing phenol, the organic carbonate, and, when present in the mixture, cyclohexylbenzene.

REFERENCES:
patent: 2762760 (1956-09-01), Walker
patent: 3018228 (1962-01-01), Cornell
patent: 3227632 (1966-01-01), Schmalenbach et al.
patent: 3554873 (1971-01-01), Luther et al.
patent: 4016049 (1977-04-01), Fozzard et al.
patent: 4019965 (1977-04-01), Fozzard
patent: 4021490 (1977-05-01), Hudson

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