Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1994-09-27
1997-11-11
Caldarola, Glenn A.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502211, 502213, 502215, 502322, 502335, 502337, B01J 2104
Patent
active
056863756
ABSTRACT:
A catalyst containing an overlayer of a catalytic promoter on a porous refractory support containing an underbedded Group VIII metal-containing component. The catalyst is prepared by sequential incorporation of the Group VIII metal followed by the additional catalytic promoter component, usually a Group VIB metal, with the porous refractory oxide support. Underbedded nickel components on the catalyst are characterized by a unique Raman spectrum exhibiting Raman bands in the region of about 240 cm.sup.-1 to about 250 cm.sup.-1 and in the region of about 595 cm.sup.-1 to about 605 cm.sup.-1. The catalyst has a MoO.sub.3 /NiO weight ratio less than 6 to 1 and more than 4 weight percent of NiO. The catalyst is especially useful for simultaneous hydrodenitrogenation and hydrodesulfurization of a gas oil, particularly when the refractory oxide support has a narrow pore size distribution.
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Abdo Suheil F.
Iyer Pradeep S.
Simpson Howard D.
Caldarola Glenn A.
Cutts, Jr. John G.
McBride Thomas K.
Tolomei John G.
UOP
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