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

Method and apparatus for separation of bitumen from tar sands

Patent ·
OSTI ID:6884095
A method and an apparatus are described for the separation of bitumen from tar sands. An electric flotation cell is formed of a container. A charge of unseparated tar sand is placed in the container to a first level and water to a second level. Electrodes are positioned in the cell in relation to the tar sand such that on application of a voltage to the electrodes an electric current flows through the tar sand and water. After application of the electric energy to the tar sands, agitation and then separation takes place, with the bitumen being floated to the upper surface. 5 claims.
Assignee:
Canadian Patents and Dev Ltd.
Patent Number(s):
US 4136014
OSTI ID:
6884095
Country of Publication:
United States
Language:
English