C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/19
C10G 1/04 (2006.01)
Patent
CA 1145284
27976 Abstract of the Disclosure A tar sand extraction process comprising contacting tar sands with water in the presence of a flocculating agent comprising hydroxyaluminum. The tar sands can be first contacted with a hydro- carbon solvent and then with an aqueous solution containing the hydroxyaluminum. The hydroxyaluminum aids in the separation of clay and solid fines thereby resulting in an efficient process for extracting bitumen and recovering the water for use in recycle.
355751
Clampitt Richard L.
Gifford Phillip H. II
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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