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Shale oil extraction
Shale oil extraction
is an
industrial process
for
unconventional oil
production. This process converts
kerogen
in
oil shale
into
shale oil
by
pyrolysis
,
hydrogenation
, or
thermal dissolution
. The resultant shale oil is used as
fuel oil
or
upgraded
to meet
refinery
feedstock specifications by adding
hydrogen
and removing
sulfur
and
nitrogen
impurities.
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