Process for beneficiating oil shale using froth flotation and se

Details Process for beneficiating oil shale using froth flotation and se Process for beneficiating oil shale using froth flotation and se

1985-08-22

1987-06-16

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 21, 241 24, 241 20, 241 29, B02C 1912

Patent

active

046731334

ABSTRACT:
A process for beneficiating oil shale is disclosed including the steps of grinding the shale to fine particles in an aqueous medium, portions of which are kerogen-rich and kerogen-poor, scrubbing the particles, separating the particles by either selectively flocculating out a fraction, redispersing the fraction and reseparating using froth flotation, or vice versa, and oil agglomerating/dewatering the kerogen-rich fraction.

REFERENCES:
patent: 3973734 (1976-08-01), Rosar et al.
patent: 4605420 (1986-08-01), McGarry et al.

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