Filter media for filter systems

Details Filter media for filter systems Filter media for filter systems

1987-09-24

1989-05-02

Cintins, Ivars

Liquid purification or separation

Processes

Separating

210807, 210503, B01D 2324

Patent

active

048266094

ABSTRACT:
A stream of contaminated liquid flows into a vessel, through a filter media comprised of at least 50% 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: Re25761 (1965-04-01), Hirs
patent: 2733138 (1956-01-01), Clark
patent: 3550774 (1970-12-01), Hirs
patent: 3557955 (1971-01-01), Hirs
patent: 3737039 (1973-06-01), Hirs
patent: 3780861 (1973-12-01), Hirs
patent: 3992291 (1976-11-01), Hirs
patent: 4197205 (1980-04-01), Hirs
patent: 4496464 (1985-01-01), Hensley

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