Removal of impurities from hydrogen-containing materials
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United States of America Patent
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Sep 18, 2012
Grant Date -
Nov 19, 2009
app pub date -
May 14, 2009
filing date -
May 16, 2008
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Abstract
Methods of purifying hydrogen-containing materials are described. The methods may include the steps of providing a purifier material comprising silica. The silica may be heated at temperature of about 100° C. or more in a dry atmosphere to form activated silica. The activated silica may be contacted with a starting hydrogen-containing material, where the activated silica reduces a concentration of one or more impurity from the starting hydrogen-containing material to form the purified hydrogen-containing material, and where the activated silica does not decompose the purified hydrogen-containing material.
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