C - Chemistry – Metallurgy – 10 – C
Patent
C - Chemistry, Metallurgy
10
C
C10C 3/02 (2006.01) B01D 17/038 (2006.01) B01J 19/18 (2006.01) B01J 27/10 (2006.01) B01J 27/128 (2006.01) B01J 27/138 (2006.01) C10G 29/12 (2006.01)
Patent
CA 2428995
In the present invention a method for the separation of asphaltenes from, beat not limited to, oil sands bitumen, water slurry based oil sands extraction froth, heavy oils and heavy fractions of the refinery products by using the catalytic effect of metal salts, such as, belt not limited to aluminum chloride (AlCl3), zinc chloride (ZnCl2) and ferric chloride (FeCl3) as catalyst to promote intra molecular condensation between the asphaltene molecules similar to the Friedel-Crafts type alkylation reactions to condensate and flocculate asphaltenes for their rapid separation and precipitation. The precipitated asphaltenes are easily separated by density difference using gravitational or centrifuge settling apparatus. Separation of asphaltenes using the present invention could be applied to, but not limited to, asphaltene containing hydrocarbon fluid mixtures, oil sands bitumen, heavy oils and hydrocarbon-water emulsion systems containing solids such as sands, silt and clays.
Moschopedis Speros E.
Ozum Baki
Speight James G.
Moschopedis Speros E.
Na
Ozum Baki
Speight James G.
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