CPC B01D 39/1623 (2013.01) [B01D 29/03 (2013.01); B01D 29/31 (2013.01); B01D 29/33 (2013.01); B01D 46/2403 (2013.01); B01D 2239/0233 (2013.01); B01D 2239/1216 (2013.01); B01D 2239/1233 (2013.01)] | 16 Claims |
1. A self-supporting seamless tubular porous cross-flow fiber filter for liquid comprising bicomponent fibers wherein the bicomponent fibers are oriented generally in parallel along a long axis of the filter, wherein the filter has a wall thickness of 2 mm or greater, a void space in the filter that is less than about 60%, and wherein the filter is self-supporting,
wherein the cross-flow filter for liquid has a burst pressure of over 100 psi and a filtration efficiency of at least 95% for filtering particles about 5 microns in size or smaller in a liquid solution;
wherein the bicomponent fibers are thermally fused together without a binding agent and wherein the bicomponent fibers each comprise a core and a sheath and the sheath has a higher melting temperature than the core.
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