Apparatus for removing rainbows from flowing water

Details Apparatus for removing rainbows from flowing water Apparatus for removing rainbows from flowing water

1977-09-26

1978-12-19

Granger, Theodore A.

Liquid purification or separation

With movable support

Float

210DIG26, 210500R, E02B 1504

Patent

active

041304896

ABSTRACT:
Apparatus for removing from the surface of water oil contamination particularly in the form of very thin films known as "rainbows". It comprises a plurality of purifying stages each containing a plurality of small independent free-floating pads of buoyant material preferentially absorptive of oil in the presence of water, and means directing the contaminated water to pass through the purifying stages in succession. Two embodiments are shown, one adapted for use to purify the surfaces of bodies of running water such as streams or canals, and one for use in purifying effluents such as bilge water of vessels being pumped from them.

REFERENCES:
patent: 801679 (1905-10-01), Niclausse
patent: 1536911 (1925-05-01), Nujent
patent: 3693796 (1972-09-01), Michel
patent: 3702657 (1972-11-01), Cunningham et al.
patent: 3744257 (1973-07-01), Spanner
patent: 3752318 (1973-08-01), DeRouen et al.
patent: 3770626 (1973-11-01), Ayers
patent: 3779382 (1973-12-01), Steltner
patent: 3868319 (1975-02-01), Black et al.
patent: 3904528 (1973-06-01), Yocum
patent: 3928205 (1975-12-01), Seymour et al.

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