Membrane support devices and methods of manufacturing
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United States of America Patent
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Issued Date -
Apr 1, 2004
app pub date -
Dec 6, 2002
filing date -
Sep 27, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Structural supports for elements, particularly supports for filtration materials and membranes, and methods of manufacturing such supports are disclosed. The membrane support structure includes one or more tapered through-holes that enable a much larger area of the membrane to be exposed to fluid flow, thereby enhancing separation processes and membrane efficiency. In addition, through-holes having smaller openings on one side of the structure produce improved support and mechanical stability/rigidity. Thus, the structural support increases the surface area of the membrane through which filtration may take place, yet preserves the mechanical strength and stability of the support structure.
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