C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/164
C10G 55/04 (2006.01) C10G 9/00 (2006.01)
Patent
CA 1184523
-1- SPECIFICATION Title of the Invention: UPGRADING METHOD OF HEAVY PETROLEUM OIL Abstract of the Disclosure: Disclosed herein is an improved upgrading method of heavy petroleum oil, which method combines thermal cracking and extraction steps systematically to obtain light oil, gas and residue. According to the above method, the byproduct, residue, is drawn out in a liquid form and extracted with a part of the thus-produced light oil or a fresh supply of heavy petroleum oil, which light oil or petroleum oil serves as a solvent, so as to extract soluble components in the residue and to obtain the extraction residue as solid particles. Since mild thermal cracking conditions are employed in the above method, it is possible to avoid unnecessary gasification of oil and concurrence of dehydrogenation. It has thus become feasible to obtain intermediate fractions of good quality with high yields and to achieve effective utilization of tar components, which have been deemed as residue, while saving energy.
400939
Matsumiya Saburo
Washimi Koichi
Yamaguchi Toichi
Yoshida Norihiko
Yoshino Hiroaki
Sim & Mcburney
Toyo Engineering Corporation
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