Catalyst, a process for its preparation, and its use
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United States of America Patent
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Jan 3, 2017
Grant Date -
Oct 27, 2011
app pub date -
Jun 29, 2011
filing date -
Dec 21, 2004
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Abstract
Process for the preparation of a catalyst comprising the steps of (a) preparing a slurry comprising clay, zeolite, and quasi-crystalline boehmite, provided that the slurry does not comprise peptized quasi-crystalline boehmite, (b) adding a monovalent acid to the slurry, (c) adding a silicon source to the slurry, and (d) shaping the slurry to form particles. This process leads to a catalyst with high accessibility and high attrition resistance.
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