A PROCESS FOR CONVERTING OXYGENATES TO OLEFINS
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United States of America Patent
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Sep 1, 2016
app pub date -
Oct 30, 2014
filing date -
Oct 31, 2013
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Abstract
A process for converting oxygenates to olefins comprising: a) contacting an oxygenate containing stream with a molecular sieve catalyst under oxygenate to olefins conversion conditions in a reactor to form an effluent comprising olefins and entrained solids; b) removing the effluent from the reactor; and c) passing the effluent to a cyclone for separation of the olefins from any entrained solids wherein at least one of the inner surfaces of the cyclone is coated with a protective layer.
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