hydrocarbons, and associated installation
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United States of America Patent
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Nov 21, 2017
Grant Date -
Oct 15, 2015
app pub date -
Jun 23, 2015
filing date -
Jul 9, 2009
priority date (Note) -
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Abstract
This method envisions cooling the supply flow in a first heat exchanger, separation in a first separation flask in order to produce a light upper flow and a heavy lower flow and dividing the light upper flow into a supply fraction of a dynamic pressure reduction turbine and a supply fraction of a first distillation column. A cooled reflux flow is formed from an effluent from a dynamic pressure reduction turbine, the portion of the effluent being cooled and at least partially liquefied in a heat exchanger. The cooled reflux flow is introduced from the heat exchanger into the first distillation column.
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