Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Russell M. Graham0
Date of Patent
October 10, 2006
Patent Application Number
10732409
Date Filed
December 11, 2003
Patent Primary Examiner
Patent abstract
A method for separating a substance such as a hydrocarbon from a particulate material such as soil is provided. An aqueous slurry is formed and a shear force is applied to the slurry, such as in a reversible helical screw conveyor, while the slurry is vibrated. The substance thus separated can then be removed from the particulate material.
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