Catalytic decomposition of impurities in tertiary butyl alcohol

Details Catalytic decomposition of impurities in tertiary butyl alcohol Catalytic decomposition of impurities in tertiary butyl alcohol

Filed on

1986-11-20

Date issued

1987-11-10

Examiner

Evans, J. E.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Oxygen containing

Other Related Categories

44 56, 568840, C07C 2988, C07C 29132, C07C 3112

Type

Patent

Status

active

Patent number

047059036

Description

ABSTRACT:
Motor-fuel grade tertiary butyl alcohol which is prepared, for example, by reacting propylene with tertiary butyl hydroperoxide to form propylene oxide and a tertiary butyl alcohol reaction product contaminated with residual amounts of tertiary butyl hydroperoxide and ditertiary butyl peroxide can be effectively catalytically treated under mild conversion conditions including a temperature of about 80.degree. to 280.degree. C. with a catalyst composed of iron, copper, chromia and cobalt, or the oxides thereof in order to substantially selectively convert the two peroxide contaminants to tertiary butyl alcohol and to thereby provide a treated tertiary butyl alcohol product substantially free from contaminating quantities of such peroxides.

REFERENCES:
patent: 2854487 (1958-09-01), Quin
patent: 2993072 (1961-07-01), Chiusoli
patent: 3360584 (1967-12-01), Kollar
patent: 3624165 (1971-11-01), Dehn et al.
patent: 3914295 (1975-10-01), Rosenthal et al.
patent: 3928452 (1975-12-01), Brunie et al.
patent: 4112004 (1978-09-01), Mabuchi
patent: 4123616 (1978-10-01), Mabuchi et al.
patent: 4219685 (1980-08-01), Savine
patent: 4523928 (1985-06-01), Hillman et al.
patent: 4547598 (1985-10-01), Sanderson et al.

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