Purification of liquids with treated polyester fibers
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United States of America Patent
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May 31, 1988
Grant Date -
N/A
app pub date -
Apr 13, 1987
filing date -
Apr 13, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for removing impurities from a liquid utilizing a filter bed having polyester fibers which have been treated with a hot caustic solution to increase the hydrophilicity of the polyester fibers. The caustic solution preferably contains a surfactant to increase the initial wetting of the polyester fibers.
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