Water-purifying device
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United States of America Patent
Stats
-
Sep 3, 1996
Issued Date -
N/A
app pub date -
Apr 17, 1995
filing date -
Jun 1, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
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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