Hydroconversion processes employing multi-metallic catalysts and method for making thereof
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United States of America Patent
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Mar 22, 2011
Grant Date -
Apr 30, 2009
app pub date -
Oct 28, 2008
filing date -
Oct 31, 2007
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Abstract
A catalyst precursor composition and methods for making such a catalyst precursor are disclosed. The catalyst precursor comprises at least a promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof having an oxidation state of +2 or +4, at least one Group VIB metal having an oxidation state of +6, and at least one organic oxygen-containing ligand. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds.
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