Process for producing phenol and methyl ethyl ketone

Details Process for producing phenol and methyl ethyl ketone Process for producing phenol and methyl ethyl ketone

1993-07-07

1994-04-19

Reamer, James H.

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

Organic compounds

Oxygen containing

568410, 568754, 568798, C07C 4553

Patent

active

053046846

ABSTRACT:
sec-Butylbenzene hydroperoxide obtained by oxidizing sec-butylbenzene is decomposed into phenol and methyl ethyl ketone, a resulting liquid comprising a methyl ethyl ketone as the main component is washed with an aqueous alkali solution to remove carboxylic acids, carboxylic acid esters, unsaturated ketones, and aldehydes, and the washed liquid is further subjected to neutralization, dehydration, and distillation.
A methyl ethyl ketone can be obtained which has a high quality with regard to purity and potassium permanganate fading.

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patent: 2957921 (1960-10-01), Adams et al.
patent: 3215745 (1965-11-01), Frank
patent: 3309407 (1967-03-01), Carpenter et al.
patent: 4006194 (1977-02-01), Luberoff et al.
patent: 4434305 (1984-02-01), Kurosaka et al.
patent: 4626600 (1986-12-01), Fulmer et al.

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