Method and system for reclaiming waste hydrocarbon from...

Details Method and system for reclaiming waste hydrocarbon from... Method and system for reclaiming waste hydrocarbon from...

C - Chemistry, Metallurgy

10

G

C10G 1/04 (2006.01) B01D 11/04 (2006.01) B01D 17/00 (2006.01) C10C 3/08 (2006.01)

Patent

CA 2682109

A method and system for extracting hydrocarbon products from waste tailings of a froth flotation unit and a paraffinic froth treatment process are provided. Bitumen and asphaltenes from the waste tailings are extracted using a serial addition of an aromatic solvent, followed by a polar-non-polar solvent. The method and system divert valuable hydrocarbons from tailings ponds. The hydrocarbon product can be used as a coating material or an emulsion fuel, for example.

On fournit une méthode et système pour extraire les hydrocarbures des résidus issus d'une unité de flottation par mousse et d'un procédé de traitement par mousse paraffinique. Le bitume et les asphaltènes contenus dans les résidus sont extraits grâce à l'ajout, en séquence, d'un solvant aromatique, puis d'un solvant polaire-non-polaire. La méthode et le système permettent de récupérer les hydrocarbures utiles des bassins de décantation des résidus. Les hydrocarbures peuvent être employés comme revêtement ou comme combustible d'émulsion, par exemple.

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