Purification of liquids with treated polyester fibers

B - Operations – Transporting – 01 – D

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B01D 39/04 (2006.01) B01D 15/00 (2006.01) B01D 37/02 (2006.01) B01D 39/00 (2006.01) B01J 47/12 (2006.01) C02F 1/28 (2006.01)

Patent

CA 1319327

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.

558518

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