Continuous loading and unloading centrifuge

Details Continuous loading and unloading centrifuge Continuous loading and unloading centrifuge

2011-07-26

2011-07-26

Cooley, Charles E (Department: 1774)

Imperforate bowl: centrifugal separators

Rotatable bowl

Including driven material-moving means therein

C494S056000

Reexamination Certificate

active

07985171

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.

REFERENCES:
patent: 2008/0125302 (2008-05-01), Maxwell
patent: 2010/0216623 (2010-08-01), Vastola et al.
patent: 3802333 (1989-08-01), None
patent: 4339581 (1995-05-01), None
patent: 584893 (1977-12-01), None
patent: 724212 (1980-03-01), None

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