Preparation of methyl isobutyl ketone

Details Preparation of methyl isobutyl ketone Preparation of methyl isobutyl ketone

1990-05-31

1991-10-22

Reamer, James H.

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

Organic compounds

Oxygen containing

C07C 4545

Patent

active

050597248

ABSTRACT:
Process for selective synthesis of methyl isobutyl ketone by reacting in vapor phase or vapor/liquid phase acetone and hydrogen, e.g. in 0.5-3:1 molar ratio at 150.degree.-300.degree. C. and 1-30 atm., in the presence of a modified palladium-containing ZSM-5 zeolite catalyst, e.g. of 0.05-5% Pd content, as porous crystalline aluminosilicate catalyst having a 15-700:1 silica to alumina ratio, e.g. at a weight hourly space velocity of 0.5-8 hr.sup.-1, the catalyst being prepared by treating a completely acidic ZSM-5 zeolite sequentially with alkali metal cations and palladium ions and then activating the resultant zeolite in a reducing atmosphere.

REFERENCES:
patent: 3574763 (1971-04-01), Wallner et al.
patent: 3953517 (1976-04-01), Schmitt et al.
patent: 4270006 (1981-05-01), Heilin et al.
patent: 4339606 (1982-07-01), Huang et al.
patent: 4701562 (1987-10-01), Olson
patent: 4866210 (1989-09-01), Hoilderich et al.

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