Separation of cyclohexylbenzene from a cyclohexylbenzene-cyclohe

Details Separation of cyclohexylbenzene from a cyclohexylbenzene-cyclohe Separation of cyclohexylbenzene from a cyclohexylbenzene-cyclohe

1979-05-04

1980-10-28

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

203 43, 585803, 585807, 585857, 568749, C07C 4524, C07C 701

Patent

active

042306388

ABSTRACT:
Cyclohexylbenzene is separated from a cyclohexylbenzene-cyclohexanone-phenol admixture by liquid-liquid extraction with a non-polar solvent such as hexadecane and a polar solvent, such as sulfolane, diethylene glycol, or mixtures with water. Cyclohexylbenzene is separated from the non-polar phase by fractional distillation. Phenol and cyclohexanone are separated from the polar solvent by fractional distillation.

REFERENCES:
patent: 2782242 (1957-02-01), Clark
patent: 3065169 (1962-11-01), Zuiderweg et al.
patent: 3209047 (1965-09-01), Young
patent: 4021490 (1977-05-01), Hudson
"Handbook of Chemistry and Physics" 50th Ed. (1969-1970), The Chemical Rubber Co., Publ. pp. C-140; C-149; C-258 and C-421.

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