Method for purifying liquids

Details Method for purifying liquids Method for purifying liquids

1978-10-25

1980-06-10

Castel, Benoit

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

2101953, 209164, B03D 124

Patent

active

042071852

ABSTRACT:
A method for separating a first liquid from a mixture with a second liquid or particulate solid by a series of froth flotation and froth separation stages is improved by recycling a portion of the mixture recovered upstream of the last flotation stage to an initial or an intermediate stage further upstream from the point where the recycled liquid is obtained.

REFERENCES:
patent: 3048272 (1962-08-01), Miller
patent: 3799350 (1974-03-01), Savall et al.
patent: 3909287 (1975-09-01), Rundell et al.

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