Bitumen production-upgrade with common or different solvents

C - Chemistry – Metallurgy – 10 – C

Patent

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Details

C10C 3/00 (2006.01) B01J 8/04 (2006.01) C10G 1/00 (2006.01)

Patent

CA 2592392

Disclosed is a process for the upgrading of heavy oils and bitumens, where the total feed to the process can include heavy oil or bitumen, water, and diluent. The process can include the steps of solvent deasphalting (110) the total feed (105) to recover an asphaltene fraction (116), a deasphalted oil fraction (118) essentially free of asphaltenes, a water fraction (112), and a solvent fraction (114). The process allows removal of salts from the heavy oils and bitumens either into the aqueous products or with the asphaltene product.

L'invention concerne un procédé de valorisation d'huiles lourdes et de bitumes, l'alimentation totale du procédé pouvant inclure des huiles lourdes, des bitumes, de l'eau, et un diluant. Le procédé peut inclure des étapes de désasphaltage par solvant (110) du total de l'alimentation (105) pour obtenir une fraction d'asphaltènes (116), une fraction d'huile désasphaltée (118) essentiellement exempte d'asphaltènes, une fraction d'eau (112) et une fraction de solvant (114). Le procédé permet l'élimination de sels dans des huiles lourdes et des bitumes, lesdits sels se retrouvant soit dans la fraction aqueuse, soit dans la fraction d'asphaltènes.

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