Liquid purification or separation – With means to add treating material – Directly applied to separator
Reexamination Certificate
2003-04-16
2008-11-04
Lithgow, Thomas M (Department: 1797)
Liquid purification or separation
With means to add treating material
Directly applied to separator
C210S521000
Reexamination Certificate
active
07445709
ABSTRACT:
The invention relates to an installation for treating water by flotation, said installation comprising flotation equipment consisting of a flotation cell (10) into which flocculated raw water mixed with micro-bubbles produced by a pressurization-depressurization system (11) is guided, said cell being provided with a perforated collection device (13) designed in such a way that the surface of the flotation cell is crossed by an identical and uniform flow of water to be treated. The inventive installation comprises capture modules (14) which are arranged in the flotation cell in such a way that the lower part thereof is located at a distance (h) from the perforated collection device (13), said distance being determined such that any disturbance of the uniform distribution established by the perforated collection device is avoided.
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patent: 5120435 (1992-06-01), Fink
patent: 5296149 (1994-03-01), Krofta
patent: 5516433 (1996-05-01), Suutarinen
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patent: WO-01 60494 (2001-08-01), None
Beaule Christian
Bosisio Marco
Marchland Jean
Connolly Bove & Lodge & Hutz LLP
Lithgow Thomas M
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