Recovery Of Helium From Nitrogen-Rich Streams
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Feb 11, 2016
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Feb 11, 2016
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Overall power consumption in a cryogenic distillation process for recovering helium from nitrogen-rich gases comprising helium may be reduced if the feed to the distillation column system is at least substantially condensed by indirect heat exchange against a first bottoms liquid at first pressure, and a second bottoms liquid at a second pressure that is different from the first pressure.
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