Hollow membranes with capillary tubes, fluid treatment modules that use them and methods of manufacturing them
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United States of America Patent
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Nov 18, 2003
Grant Date -
N/A
app pub date -
Mar 19, 2001
filing date -
Oct 29, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a hollow membrane (11) comprising two support layers arranged one above the other forming a space between them and a plurality of capillary tubes arranged between the support layers forming capillary channels for the flow of a first fluid, the space between the capillary tubes forming an internal cavity for the circulation of a second fluid around the capillary tubes, and the whole assembly being made of an organic polymer. These membranes (11) can be assembled into modules for the treatment of a fluid with intermediate porous panels (13).
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