Crushed raw oil shale as oil spill adsorbent

Details Crushed raw oil shale as oil spill adsorbent Crushed raw oil shale as oil spill adsorbent

1977-05-02

1981-12-29

Bashore, S. Leon

Liquid purification or separation

Processes

Ion exchange or selective sorption

210671, 210923, 210924, B01D 1502, B01D 1506

Patent

active

043081460

ABSTRACT:
Oil floating on the surface of another liquid is contacted with crushed raw oil shale to adsorb the oil onto the shale. A vortex is created in the surface of the liquid, drawing the crude shale with oil adsorbed thereon beneath the surface of the liquid. The invention provides method and apparatus for adsorbing oil on shale, causing the crude shale with oil adsorbed thereon to sink below the surface of the liquid, recovering the crude shale with oil adsorbed thereon from below the liquid surface, treating the crude shale to separate the oil from the shale, and recycling the crushed shale into contact with oil on the liquid surface.

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Proceeding of Joint Conference . . . Spills, 3/13-15/73, EPA, API USCG, pp. 333-338.

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