Multistage water purification apparatus

Details Multistage water purification apparatus Multistage water purification apparatus

1982-08-16

1984-03-13

Hart, Charles N.

Gas and liquid contact apparatus

Contact devices

Injector type

261120, 261121R, 210220, 2102422, 2104161, B01D 4702

Patent

active

044366752

ABSTRACT:
A multistage water purification method in which water purifiers are arranged in stages in water regions of different depths. Air is made to ascend intermittently in each depth region by the water purifier to stir and mix the water with the air to enrich the water in oxygen thereby to purify the water. Disclosed also is a water purification apparatus for carrying out the water purification method. The apparatus includes an upper stage water purifier having a buoyancy chamber, a pumping sleeve and water suction tubes, and at least one lower stage water purifier having an arcuate deflector, a pumping sleeve and an air chamber. The upper stage water purifier and the lower stage water purifier are connected in series in vertical alignment or, alternatively, offset in the horizontal direction from each other.

REFERENCES:
patent: 2669440 (1954-02-01), Lindenbergh
patent: 3887660 (1975-06-01), Romantschuk et al.
patent: 4060574 (1977-11-01), Verner et al.
patent: 4210613 (1980-07-01), Webb
patent: 4230570 (1980-10-01), Irving
patent: 4278546 (1981-07-01), Roesler
patent: 4293506 (1981-10-01), Lipert
patent: 4300924 (1981-11-01), Coyle
patent: 4308137 (1981-12-01), Freeman

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