Process for hydroconversion and upgrading of heavy crudes of...

Details Process for hydroconversion and upgrading of heavy crudes of... Process for hydroconversion and upgrading of heavy crudes of...

C - Chemistry, Metallurgy

10

G

196/83, 196/95

C10G 47/16 (2006.01)

Patent

CA 1222965

PROCESS FOR HYDROCONVERSION AND UPGRADING OF HEAVY CRUDES OF HIGH METAL AND ASPHALTENE CONTENT ABSTRACT OF THE DISCLOSURE A process for upgrading feedstocks containing not less than about 200 ppm metals, an API gravity of less than about 20°, a Conradson Carbon of more than about B%, by hydroconversion with hydrogen in the presence of a naturally occurring inorganic material as a catalyst. The invention further provides, inter alia, subsequently fractionating the hydroconverted product and solvent deasphalting the distil- lation bottoms and optionally hydrodesulfurizing atmospheric distillates and the mix of vacuum gas oils and deasphalted oils separately. When a heavy crude of 12° API, 10% Conradson Carbon, 3.2% sulfur and 350 ppm metals is fed to this process, more than 90% (v/v) of a synthetic crude of 25°API, 0.17% sulfur and only 13.8% (v/v) 950°F+ fraction may be obtained.

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