Dense, layered membranes for hydrogen separation
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United States of America Patent
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Feb 21, 2006
Grant Date -
Jul 8, 2004
app pub date -
Nov 19, 2003
filing date -
Mar 5, 2002
priority date (Note) -
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Abstract
This invention provides hydrogen-permeable membranes for separation of hydrogen from hydrogen-containing gases. The membranes are multi-layer having a central hydrogen-permeable layer with one or more catalyst layers, barrier layers, and/or protective layers. The invention also relates to membrane reactors employing the hydrogen-permeable membranes of the invention and to methods for separation of hydrogen from a hydrogen-containing gas using the membranes and reactors. The reactors of this invention can be combined with additional reactor systems for direct use of the separated hydrogen.
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