Portable fluid filtration device
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United States of America Patent
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app pub date -
Sep 21, 2009
filing date -
Mar 20, 2007
priority date (Note) -
Abandoned
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Abstract
Portable apparatus, systems and methods for the selective removal of contaminants from a fluid medium through the use of hollow fiber media (“HFM”). Apparatus embodiments include a housing defining an inlet portion, an outlet portion and a chamber fluidly coupled there between for receiving hollow fiber media, in either bulk or cartridge form, wherein the media is hydrophilic and/or hydrophobic. Passive, i.e., gravity fed or active, i.e., mechanically pressurized versions are disclosed. Apparatus may further include user reversible/replaceable check valves, a receptacle fitting adaptor to allow the use of a variety of receiving containers with a single filtration device, and configurations wherein at least 80% of a maximum flow rate through the filter can be achieved when an inlet fluid pressure is about 0.2 bar. A buoyant pre-filter with an optional hydrophilic filter element may also be used to establish a system.
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