Oil shale upgrading process

Details Oil shale upgrading process Oil shale upgrading process

B - Operations, Transporting

03

B

196/30

B03B 9/02 (2006.01) B03B 5/64 (2006.01) B03B 7/00 (2006.01)

Patent

CA 1153718

ABSTRACT OF THE DISCLOSURE A size fraction of oil shale is upgraded by separating the shale into a first low density fraction containing particles relatively rich in kerogen and a first high density fraction containing particles rela- tively lean in kerogen, crushing the first low density fraction to produce smaller particles, separating the smaller particles into a second low density fraction and a second high density fraction and recovering the second low density fraction as high grade oil shale rich in kerogen.

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