Membrane washing apparatus for flotation device

Details Membrane washing apparatus for flotation device Membrane washing apparatus for flotation device

1994-09-02

1996-04-30

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209168, 209169, B03D 102, B03D 114

Patent

active

055116698

ABSTRACT:
A flotation device (1) which includes a tank (2) to contain a slurry (3) incorporating minerals which are to be extracted. Aeration of the slurry (3) by suitable structure in the device produces a zone (11) of mineralised froth above the slurry (3). A launder (15) directs the mineralised froth away from the tank (2). At least one porous diffusion surface (16) in direct contact with the froth dispenses a washing liquid directly into the froth zone (11).

REFERENCES:
patent: 2182442 (1939-12-01), Booth
patent: 4964576 (1990-10-01), Datta
patent: 4981582 (1991-01-01), Yoon
patent: 5039400 (1991-08-01), Kallioinen et al.
patent: 5167798 (1992-12-01), Yoon et al.
patent: 5234112 (1993-08-01), Valenzuela
patent: 5251764 (1993-10-01), Niitti
"Column Flotation"; Finch and Dobby, Pergamon Press-copyight 1990 pp. 82-88.
Websters New World Dictionary editors Neufeldt & Guralnik pp. 384, 417, 483, 694, 846, 1003, 1006,1051,1351.

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