Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James F. Maxwell0
Date of Patent
July 26, 2011
0Patent Application Number
119460430
Date Filed
November 27, 2007
0Patent Primary Examiner
Patent abstract
A system for treating tar sand involving a centrifuge where under centrifugal force solvent treated tar sand and water form a three layer system of wet sand, water, and petroleum, where solvent solubilized hydrocarbons are stripped from the wet sand layer, passed through the water, and into the petroleum layer. The hydrocarbons are skimmed from the hydrocarbon layer and recovered.
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