Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1998-10-02
2000-03-28
Lithgow, Thomas M.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210670, 210677, 210791, 210795, 210269, 210282, 210284, 210285, 210278, 210288, B01D 2436, B01D 2418, B01D 2458, B01D 2446, B01D 2448
Patent
active
060427299
ABSTRACT:
Regeneration of water treatment media is disclosed which includes a water treatment unit having one or more media therein, and which upon initiation of flow of the water, imparts turbulence and abrasion to the treatment medium to automatically cleanse the medium of light solid contaminants, as well as contaminant coatings on the media. This greatly improves the operation of the media and extends its life. In addition, the water treatment unit disclosed may simply be rotated through any one of a number of positions between service, backwash, flush, off, and/or bypass operational modes for further regeneration of the treatment media.
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