High CTE reaction-bonded ceramic membrane supports
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United States of America Patent
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Dec 11, 2007
Grant Date -
Aug 25, 2005
app pub date -
Feb 20, 2004
filing date -
Mar 13, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A porous ceramic support for a gas separation membrane formed by sintering a green body containing grains of a refractory ceramic oxide with a high coefficient of thermal expansion and grains of a reactive binder precursor. Upon sintering, the reactive binder precursor reacts with at least one gaseous, liquid or solid reactant to create a reaction bond that binds the refractory ceramic oxide grains. The support configuration can be a tubular, flat plate, hollow fiber, or multiple-passageway monolith structure.
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