Process for the regeneration of catalysts for the treatment of hydrocarbons
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United States of America Patent
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Feb 19, 2013
Grant Date -
Apr 29, 2010
app pub date -
Oct 5, 2009
filing date -
Oct 10, 2008
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Abstract
The present invention provides a process for the regeneration of a catalyst comprising at least one metal from Group VIII and at least one metal from Group VIB which are deposited on a refractory oxide support, comprising:
- at least one first step of heat treatment of the catalyst in the presence of oxygen and at a temperature ranging from 350° C. to 550° C.;at least one second step of deposition, at the surface of the catalyst, of one or more additive(s) of formula (I):
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