Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1993-10-12
1996-06-04
Wyse, Thomas
Liquid purification or separation
With means to add treating material
Directly applied to separator
261 91, 416184, C02F 316, B01F 304
Patent
active
055229891
ABSTRACT:
A method for aerating waste water, wherein the interface area between air and waste water is enlarged by splashing the water by means of blades and wherein the sludge present in the waste water is kept in suspension by creating flows and/or turbulence in the water. The waste water is set in motion by moving a plurality of blades arranged in a circle through the waste water, in such a manner that the connecting parts interconnecting the blades substantially do not extend into the waste water. The device for aerating waste water is provided with a container for waste water and with a rotor being rotatable about a substantially vertical axis, whose portion pointing downwards may extend into the waste water. The rotor comprises blades having surfaces which are substantially radially and axially oriented, whereby the blade surfaces are at least partially located below the rotor parts interconnecting the blades so that the connecting parts substantially do not extend into the waste water.
REFERENCES:
patent: 3154601 (1964-10-01), Kalinske et al.
patent: 3360460 (1967-12-01), Weston
patent: 3741682 (1973-06-01), Robertson
patent: 4074953 (1978-02-01), Budde et al.
patent: 4123482 (1978-10-01), Wyatt et al.
patent: 4151231 (1979-04-01), Austin et al.
Hubert B.V.
Wyse Thomas
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