Cleaning and liquid contact with solids – Processes – Work handled in bulk or groups
Reexamination Certificate
2005-06-14
2005-06-14
El-Arini, Zeinab (Department: 1746)
Cleaning and liquid contact with solids
Processes
Work handled in bulk or groups
C134S010000, C134S025500, C134S032000, C134S033000
Reexamination Certificate
active
06904919
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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Graham Russell M.
Phillips Graham
El-Arini Zeinab
Newtech Commercialization Ltd.
Oyen Wiggs Green & Mutala
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