Method of forming a porous inorganic membrane on a porous support using a reactive inorganic binder
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United States of America Patent
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Jan 8, 1991
Grant Date -
N/A
app pub date -
May 24, 1988
filing date -
May 24, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A porous inorganic membrane for use with a membrane device having a porous support, the membrane including refractory particles bound to each other and to the support by a thermally reactive inorganic binder which reacts at a temperature below that at which the refractory particles react. Further, a method of forming a porous inorganic membrane on a support by applying a coating of a mixture of refractory particles and a thermally reactive inorganic binder to the support. The inorganic binder reacts at a first temperature lower than a second temperature at which the refractory particles sinter. The method further includes firing the support to a firing temperature at least as high as the first temperature and less than the second temperature to react the inorganic binder, and cooling the support to form the porous membrane.
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