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U.S. Department of Energy
Office of Scientific and Technical Information

Hot water bitumen extraction process

Patent ·
OSTI ID:7260547
This patent describes a method of extracting bitumen oils from tar-sands ore. It includes an initial conditioning step comprising crushing tar-sands ore to yield solid particles of a maximum size required by a log washer conditioner in a second conditioning step; a bitumen extraction step; a bitumen separation step; a solvent recovery step; a sand washing and water clarification step; and a sand solvent recovery step.
Assignee:
Solv-Ex Corp., Albuquerque, NM
Patent Number(s):
US 4875998
Application Number:
PPN: US 7157489A
OSTI ID:
7260547
Country of Publication:
United States
Language:
English