Oil shale beneficiation by size reduction combined with heavy me

Details Oil shale beneficiation by size reduction combined with heavy me Oil shale beneficiation by size reduction combined with heavy me

1983-10-17

1985-07-09

Hart, Charles

Classifying, separating, and assorting solids

Special applications

209172, 208 11LE, 241 24, B03B 902

Patent

active

045280908

ABSTRACT:
This invention discloses a method of enriching raw oil shale by crushing and pulverizing raw oil shale or similar oil bearing materials into smaller, lean oil particles and larger, oil rich particles; floating the larger, oil rich particles in a heavy media organic liquid which causes the oil rich lighter particles to float on the surface and causes the heavier, mineral containing particles to sink. The floating larger, oil rich particles thus obtained contain increased percentages of oil bearing constituents.

REFERENCES:
patent: 4342639 (1982-08-01), Gagon
patent: 4348274 (1982-09-01), Guerre
patent: 4441984 (1984-04-01), Guerre

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