Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1995-04-17
1996-09-03
Nessler, Cynthia L.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210669, 210753, 210764, 210266, 210282, 210283, 210284, 210285, 210287, 210288, C02F 142, C02F 150
Patent
active
055520570
ABSTRACT:
A filter for disinfecting non-potable water is disposed in-line in a water delivery pipe, such filter having a plurality of chambers. The first chamber contains biocidal resin which imparts a biocide residue to the water as it passes there-through to kill microorganisms. The water then passes through a turbulating disk to an extended contact time chamber of a selected volume to allow further contact time between the biocide residue and any microorganisms in the water. The water then passes through a 1-3 micron screen, which acts to retain protozoan cysts within the filter, and then passes through a biocide removal chamber containing medias which remove the biocide from the water. The water then passes through a chamber containing bacteriostatic media which acts to prevent back contamination from the effluent end of the filter.
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Hughes Doug
Reid Roger
Nessler Cynthia L.
Pedersen Barbara S.
Pedersen Ken J.
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