MODIFIED CATALYST FOR CONVERTING OXYGENATES TO OLEFINS
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United States of America Patent
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Issued Date -
Feb 27, 2014
app pub date -
Mar 15, 2012
filing date -
Mar 15, 2011
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Abstract
The present invention relates to a new process for producing zeolite-containing catalysts, in which a modification with phosphorus-containing components is carried out, the catalyst obtainable thereby, and its use as catalyst in a process for producing lower olefins from oxygenates. The modification comprises removing weakly bound phosphorus-containing species by treatment with an aqueous solution.
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