Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – Within flow line or flow line connected closed casing
Patent
1997-07-07
1999-11-02
Cintins, Ivars
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
Within flow line or flow line connected closed casing
210291, B01D 2442
Patent
active
059763701
ABSTRACT:
An underdrain for a media filter used to filter liquids. The media particles rest on a pair of perforated plates having offset perforations. The plates are spaced apart a distance less than the size of the media particles. This allows the filtered liquid to flow through the plates but blocks passage of the media particles through the plates.
REFERENCES:
patent: 989665 (1911-04-01), Tixier
patent: 3994812 (1976-11-01), Nilsson
patent: 4851112 (1989-07-01), Schlensker
patent: 5030343 (1991-07-01), Urriola
patent: 5332497 (1994-07-01), Shea et al.
Cintins Ivars
WesTech Engineering, Inc.
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