Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 15, 2006
Patent Application Number
10604076
Date Filed
June 25, 2003
Patent Primary Examiner
Patent abstract
A surfactant for separating bitumen from sand includes an aqueous solution of hydrogen peroxide contacted with low rank coal. The low rank coal is preferably lignite. The surfactant may be used to clean bitumen, heavy oil and/or tar from sand, shale or clay at low concentrations and with mild agitation.
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