Start-up method for a hydrorefining process

Details Start-up method for a hydrorefining process Start-up method for a hydrorefining process

C - Chemistry, Metallurgy

10

G

196/71

C10G 45/00 (2006.01)

Patent

CA 1207696

ABSTRACT OF THE DISCLOSURE A hydrorefining process for heavy hydrocar- bonaceous oils, such as gas oils, is initiated by contacting a sulfided hydrorefining catalyst, such as nickel-molybdenum on alumina, with a light hydrocarbon- aceous oil boiling in the range of C5 to 700°F, in the presence of hydrogen, at specified conditions and, thereafter, contacting the catalyst with the heavy hydrocarbonaceous oil to be hydrorefined.

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