Preparation of alkyl tertiary butyl ether
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United States of America Patent
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Mar 8, 1994
Grant Date -
N/A
app pub date -
Nov 16, 1992
filing date -
Nov 16, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a process for the preparation of MTBE or ETBE wherein TBA is reacted with methanol or ethanol and an effluent is formed which contains the water of etherification and at least 1 mol lower alcohol per 2 mols MTBE or ETBE, this effluent is distilled to separate an overhead of lower alcohol and ether from a bottoms containing the water of reaction, and a lower alcohol/ether admixture from the overhead is reacted with isobutylene to form additional quantities of MTBE or ETBE.
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