Process for preparing a hydroconversion catalyst, catalyst thus obtained and use thereof in a hydroconversion process
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United States of America Patent
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Nov 21, 2017
Grant Date -
Nov 20, 2014
app pub date -
Oct 23, 2012
filing date -
Oct 24, 2011
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Abstract
A process for preparing a hydroconversion catalyst comprising the steps of:
- preparing a modified zeolite of the FAU framework type, whose intracrystalline structure presents at least one network of micropores, at least one network of small mesopores with a mean diameter of 2 to 5 nm and at least one network of large mesopores with a mean diameter of 10 to 50 nm; these various networks being interconnected;mixing the zeolite with a binder, shaping the mixture, and then calcining;impregnating the shaped zeolite with at least one compound of a catalytic metal chosen from compounds of a metal from group VIII and/or from group VIB, in acidic medium, provided that at least one compound of a catalytic metal is soluble within said acidic medium and that the acid acts as a complexing or chelating agent for at least one compound of a catalytic metal.
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