Mineral oils: processes and products – Refining – Metal contaminant removal
Patent
1984-03-14
1986-09-16
Gantz, D. E.
Mineral oils: processes and products
Refining
Metal contaminant removal
208112, 208216R, 208217, 208108, C10G 4508, C10G 4712, C10G 4904
Patent
active
046121102
ABSTRACT:
At least one decomposable molybdenum dithiocarbamate compound is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream containing such decomposable molybdenum dithiocarbamate compound is then contacted in a hydrofining process with a catalyst composition comprising a support selected from the group consisting of alumina, silica and silica-alumina and a promoter comprising at least one metal selected from Group VIB, Group VIIB and Group VIII of the Periodic Table. The introduction of the decomposable molybdenum dithiocarbamate compound may be commenced when the catalyst is new, partially deactivated or spent with a beneficial result occurring in each case.
REFERENCES:
patent: 4243553 (1981-01-01), Naumann et al.
Coombs Daniel M.
Davis Thomas
Efner Howard F.
Hogan Robert J.
Kukes Simon G.
Chaudhuri O.
Gantz D. E.
Phillips Petroleum Company
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