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US 4,704,375 AGranted
Vanadium passivating agent for use in a cracking catalyst
AssigneeIntevep, S.A.
InventorsNelson P. Martinez, Jose R. Valasquez, Juan A. Lujano
Life of this patent
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Abstract
A catalyst containing a vanadium passivating agent in the form of anatase crystalline TiO.sub.2.
Claims4
A cracking catalyst for use in the demetallization of hydrocarbon feeds characterized by a vanadium concentration of at least 1.0 ppm comprising an aluminosilicate zeolite, a matrix and a vanadium passivating agent containing a stabilized anatase crystalline form of TiO.sub.2 selected from the group consisting of TiO.sub.2 /P.sub.2 O.sub.5, TiO.sub.2 /SO.sub.4.sup.--, TiO.sub.2 /Nb.sub.2 O.sub.5 and mixtures thereof.
Dependencies are inferred from the claim text.