Nanoporous oxide ceramic membranes of tubular and hollow fiber shape and method of making the same
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United States of America Patent
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Oct 15, 2013
Grant Date -
Jan 17, 2013
app pub date -
Sep 20, 2012
filing date -
Nov 12, 2008
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Abstract
The present invention is aimed to fabricate nanoporous anodic oxide ceramic membrane tubes with excellent pore characteristics by anodizing metal tubes located in a cylindrical symmetry with respect to a cathode which itself has a cylindrical symmetry. The membrane tubes may have protruded portions acting as supports and joints. The present invention also deals with stacks and bundles consisted of numbers of the anodic oxide ceramic tubes for filter and dialysis applications.
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