Process for treating zeolite catalysts
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United States of America Patent
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Dec 27, 2016
Grant Date -
Dec 17, 2015
app pub date -
Jan 17, 2014
filing date -
Jan 21, 2013
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Abstract
Process for treating a zeolite catalyst for the carbonylation of dimethyl ether to produce methyl acetate, in which the catalyst is contacted with a treatment gas containing water vapor in an amount of at least 1 mol % and at a temperature below which dealumination of the zeolite structure occurs. The zeolite contains at least one channel which is defined by an 8-member ring and is mordenite.
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