Process for purifying ketones

Details Process for purifying ketones Process for purifying ketones

1980-08-06

1982-05-11

Douglas, Winston A.

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

Organic compounds

Oxygen containing

568410, C07C 4904, C07C 4920

Patent

active

043295100

ABSTRACT:
In a process for recovering a purified ketone substantially free from aldehydes which comprises contacting a crude ketone containing small amounts of aldehydes with an alkali and then distilling the treated crude ketone, the improvement wherein said alkali is a solid alkali composition composed of an alkali metal compound selected from alkali metal oxides and hydroxides, an alkaline earth metal compound selected from alkaline earth metal oxides and hydroxides and silicon dioxide in which the mole ratio of the alkali metal to the alkaline earth metal is in the range of from 1:1 to 1:15, and the mole ratio of the alkali metal to silicon is in the range of from 1:0.25 to 1:5.

REFERENCES:
patent: 3193582 (1965-07-01), Adams et al.
patent: 3632652 (1968-03-01), Chu et al.
patent: 3668256 (1972-06-01), Brundege
patent: 3912778 (1975-10-01), Alheri et al.

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