Method for the purification of tertiary butyl alcohol and to its

Details Method for the purification of tertiary butyl alcohol and to its Method for the purification of tertiary butyl alcohol and to its

1997-02-20

1998-08-04

Geist, Gary

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

Organic compounds

Oxygen containing

568698, 568910, C07C 4109

Patent

active

057896275

ABSTRACT:
Methyl tertiary butyl ether is prepared from contaminated tertiary butyl alcohol and methanol by decomposing peroxides in a peroxides decomposition reactor, by dehydrating the tertiary butyl alcohol to form isobutylene and also decomposing acidic contaminants in a tertiary butyl alcohol dehydration reactor to form a feedstock that is distilled to provide a first lower boiling fraction comprising isobutylene and water; from which isobutylene is recovered for reaction with methanol in an etherification reactor containing a bed of an etherification catalyst to form methyl tertiary butyl ether.

REFERENCES:
patent: 4296263 (1981-10-01), Worrell et al.
patent: 5243091 (1993-09-01), Kruse et al.
patent: 5292964 (1994-03-01), Gupta et al.
patent: 5354912 (1994-10-01), Hwan et al.
patent: 5637777 (1997-06-01), Aittamaa et al.

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