Methods of purifying a hydrogen gas stream containing hydrogen sulfide impurities
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United States of America Patent
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Oct 31, 2017
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app pub date -
Sep 9, 2014
filing date -
Sep 9, 2013
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Abstract
Methods for purifying a hydrogen gas stream are provided that can include: introducing the hydrogen gas stream into the hydrogen pumping cell, and collecting a purified hydrogen gas from the hydrogen pumping cell. The hydrogen gas stream can include hydrogen sulfide in an amount of about 10 ppm to about 1,000 ppm, and can have a relative humidity of about 0.1% or more at the operational temperature and pressure of the hydrogen pumping cell.
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