Hollow spherical zeolite IM-5 and preparation method therefor
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United States of America Patent
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Feb 2, 2016
Grant Date -
Sep 25, 2014
app pub date -
Oct 30, 2012
filing date -
Nov 10, 2011
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Abstract
The present invention provides a hollow IM-5 molecular sieve sphere and the preparation process thereof. The process according to the present invention adds a relatively great amount of the surfactant of a cationic quaternary ammonium salt in the IM-5 molecular sieve system, to form a hollow IM-5 molecular sieve sphere via the micelle action by the surfactant, which structure benefits the mass transfer of the reaction process.
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