Oil shale beneficiation
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United States of America Patent
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-
Mar 26, 1985
Issued Date -
N/A
app pub date -
Jun 7, 1982
filing date -
May 6, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is provided a process for the beneficiation of oil shale comprising comminuting oil shale to a maximum particle size that maximizes the separation efficiency index of a physical separation method at a predetermined product yield. The oil shale particles are then separated into organic-rich product and organic-lean refuse by the physical separation methods in which the product yield is adjusted to maximize the separation efficiency index of the separation. Preferred physical separation methods include gravity separation, hydraulic separation by tabling, froth flotation and oil agglomeration.
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