Hydrogen purification process
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United States of America Patent
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Apr 28, 2015
Grant Date -
Oct 23, 2014
app pub date -
Nov 21, 2011
filing date -
Feb 21, 2011
priority date (Note) -
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Abstract
In a process for purifying a hydrogen stream, the stream is contacted with a first washing fluid in a first purification zone under conditions effective to transfer at least some water from the hydrogen stream to the first washing fluid, thereby transforming the hydrogen stream into a water-depleted hydrogen stream. At least a portion of the water-depleted hydrogen stream may then be transferred from the first purification zone to a second purification zone, where it is contacted with a second washing fluid under conditions effective to transfer at least some oxygenates from the water-depleted hydrogen stream to the second washing fluid.
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