Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With rehabilitation means
Patent
1977-08-19
1979-05-01
Lander, Ferris H.
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With rehabilitation means
210276, 210292, B01D 2324
Patent
active
041522656
ABSTRACT:
A filter apparatus in which a generally horizontal bed of filter material is supported on a porous support and is divided by spaced partitions into individual filter cells above the support and individual filter compartments below the support, and a carriage is mounted for movement along the filter bed and has a collector hood that moves along the top of the bed to collect backwash effluent therefrom and a backwash head arranged to direct backwash fluid into the compartments below the porous support. A pair of spaced scarifier blades are provided in the collector hood to scarify the upper surfaces of the filter bed. The backwash head is advantageously in the form of a jet pump arranged to entrain water from filtrate launder that communicates with the filtrate compartments.
REFERENCES:
patent: 2302449 (1942-11-01), Laughlin
patent: 2302450 (1942-11-01), Laughlin
patent: 2311594 (1943-02-01), Lose, Jr.
patent: 2350160 (1944-05-01), Fraser
patent: 2442594 (1948-06-01), Fraser
patent: 3239061 (1966-03-01), Horning et al.
patent: 3395099 (1968-07-01), Johnson
Aqua-Aerobic Systems, Inc.
Lander Ferris H.
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