Black oil conversion process startup and shut-down methods

Details Black oil conversion process startup and shut-down methods Black oil conversion process startup and shut-down methods

C - Chemistry, Metallurgy

10

G

196/71

C10G 47/00 (2006.01) C10G 45/00 (2006.01) C10G 49/24 (2006.01)

Patent

CA 1071559

ABSTRACT OF THE DISCLOSURE Methods of starting up and hsutting down reactors used in hydrocracking and hydrodesulphurlsation of black oils. The reactor is flushed with a heavy vacuum gas oil between the circulation of the black oil feed stream and the lighter hydrocarbon streams used during the low tem- perature portion of the operations.

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