C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 33/04 (2006.01) B01D 17/04 (2006.01) C10C 3/00 (2006.01)
Patent
CA 2435113
A bitumen-water emulsion is treated with a mixture comprised of a naphtha and a light aliphatic hydrocarbon such as butane. The treatment destabilises the emulsion and results in the removal of most of the water and mineral. The treatment also results in the precipitation of some of the asphaltenes present in the bitumen. The degree of deasphalting is easily controlled to make a product of a specified asphaltene content. Since for heavy oils such as Athabasca bitumen, metals such as nickel and vanadium are concentrated in the higher boiling point tail end and are associated with asphaltenes, the removal of asphaltenes reduces the metals content of the product. Depending on the selected concentration of metals and asphaltenes, the treated product may be further upgraded in a range of conversion processes including coking and catalytic hydrocracking units.
Dabros Tadeusz
Kan Jianmin
Long Yicheng
Walker Anton
Her Majesty The Queen In Right Of Canada As Represented By The M
Smart & Biggar
Suncor Energy Inc.
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