Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With rehabilitation means
Patent
1990-06-13
1995-04-18
Cintins, Ivars
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With rehabilitation means
210503, B01D 2446
Patent
active
054075742
ABSTRACT:
A stream of contaminated liquid flows into a vessel, through a filter media comprised of pecan hulls, while clean liquid exits the vessel, leaving the contaminants deposited on the filter media. The deposited contaminants are scrubbed from the media by circulating the media along a toroidal flow path within the vessel until the contaminants have been transferred from the media into the liquid. The scrubbing action is achieved by a pump suction which is spaced from a pump discharge. The pump discharges through a perforated nozzle. The nozzle extends through a housing. An annulus is formed between the nozzle and the housing. Dirty scrub water flows from the pump, through the nozzle perforations, into the annulus, and away from the vessel, while at the same time the toroidal flow path is maintained.
REFERENCES:
patent: 4197205 (1980-04-01), Hirs
patent: 4496464 (1985-01-01), Hensley
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