Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1991-02-08
1992-08-18
Silverman, Stanley S.
Liquid purification or separation
With means to add treating material
Directly applied to separator
210197, 210520, 210525, 209168, B01D 17035, B01D 2124, C02F 124
Patent
active
051396629
ABSTRACT:
An apparatus for clarifying water. The apparatus includes a mixing chamber for mixing the water to be clarified with pressurized water and air to obtain a mixture in which particles attached to air bubbles are suspended. The mixing chamber is connected to a flotation tank which holds a body of water whose upper surface is maintained at a predetermined level. The mixture, including the particles attached to air bubbles, is delivered by a distribution pipe from an upper part of the mixing chamber onto the surface of the water in the tank so that the floatables come to a floating position on the surface without causing agitation or turbulence below the surface. A skimmer rake skims the floatables to an outlet where they are removed from the tank leaving the water at the bottom of the tank clarified.
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patent: 4659458 (1987-04-01), Chin
patent: 4784764 (1988-11-01), Kleincchnittger
patent: 4931175 (1990-06-01), Krofta
Lithgow Thomas M.
Rabin Steven M.
Silverman Stanley S.
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