Liquid purification or separation – With gas-liquid surface contact means – With separator
Patent
1995-06-01
1997-04-08
Cintins, Ivars
Liquid purification or separation
With gas-liquid surface contact means
With separator
210170, 2101951, 210202, 2102422, 210266, C02F 308
Patent
active
056184131
ABSTRACT:
An ecological fluidized bed system and method for the processing of polluted water to provide treated water. The system comprises a fluidized bed container containing a layer of coarse media with a layer of fine media above it which has a buoyancy substantially similar to the polluted water, and particularly pumice rock having a high surface to volume ratio, an inlet to introduce water into the container, and an outlet to withdraw treated water, and either a mechanical pump in an anaerobic operation or an airlift pump in an aerobic operation. The system includes an ecosystem such as microorganisms, benthic animals, and higher aquatic plants for the purification of the polluted water within the container, and a pump means to provide for the rapid recirculation of the polluted water within the container with the fine media as a fluidized bed, with a recirculation rate up to a thousand times the flow-through water rate, thereby providing for the rapid, efficient and effective purification of the polluted water.
REFERENCES:
patent: 3563888 (1971-02-01), Klock
patent: 4415450 (1983-11-01), Wolverton
patent: 4482458 (1984-11-01), Rovel et al.
patent: 5087353 (1992-02-01), Todd et al.
patent: 5228998 (1993-07-01), DiClemente et al.
Shaw James M.
Todd John H.
Cintins Ivars
Crowley Richard P.
Ocean Arks International, Inc.
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