Mineral oils: processes and products – Refining – Nitrogen contaminant removal
Patent
1997-10-21
1999-06-29
Tran, Hien
Mineral oils: processes and products
Refining
Nitrogen contaminant removal
208209, 208213, 208216R, 208217, 208136, 208137, 208138, C10G 3506, C10G 4500, C10G 4504
Patent
active
059164336
ABSTRACT:
A catalyst system for treating sulfur and nitrogen contaminated hydrocarbon feedstock includes a matrix, at least one support medium substantially uniformly distributed through said matrix and comprising a silica alumina molecular sieve material having a composition xSiO.sub.2 :Al.sub.2 O.sub.3 :yP.sub.2 O.sub.5, wherein x is at least about 0.1, a first catalytically active metal phase supported on said support medium, said first catalytically active metal phase comprising a first metal and a second metal each selected from group VIII of the Periodic Table of Elements, said first metal being different from said second metal, a second catalytically active metal phase supported on said matrix, said second catalytically active metal phase comprising a third metal and a fourth metal each selected from group VIII of the Periodic Table of Elements and a fifth metal selected from group VIb of the Periodic Table of Elements, said third metal being different from said fourth metal.
REFERENCES:
patent: 5612273 (1997-03-01), Prada et al.
patent: 5817595 (1998-10-01), Tejada et al.
Reyes Edito Jose
Romero Yilda Margot
Tejada Jorge Alejandro
Dang Thuan D.
Intevep S.A.
Tran Hien
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