Inventors:
Robert A. Baillie - West Chester PA
Lawrence F. Schmoyer - Edmond OK
Thomas E. Skarada - Wallingford PA
Assignee:
Great Canadian Oil Sands Limited - Toronto
International Classification:
C22B 100
Abstract:
A method for removing bitumen from mineral particles recovered from bituminous froth recovered as a product of aqueous extraction of tar sands which method comprises scrubbing the minerals with a liquid hydrocarbon solvent containing at least 10 weight percent aromatics and thereafter separating the minerals from the solvent and subsequently drying the minerals.