Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1978-03-06
1980-07-15
Sever, Frank
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 79, 210386, 210402, B01D 3310
Patent
active
042127378
ABSTRACT:
A process and apparatus for removing suspended matter from suspensions by filtering through foams, in which the suspended matter retained in the foam (polyurethane foam produced by foaming with water vapor being preferred) is substantially flushed out by expressing the liquid held in the foam, and is removed as a concentrate. This for the the first time permits the removal of suspended matter from continuously flowing suspensions without the flow of the suspensions having to be interrupted in order to clean the filtering means.
REFERENCES:
patent: 2860973 (1958-11-01), Wells
patent: 3487927 (1970-01-01), Yahnke
patent: 3992292 (1976-11-01), Grimes et al.
patent: 4065389 (1977-12-01), McGrew
Daucher Hans
Dressel Manfred
Engelhardt Hubert
Hess Klaus
BASF - Aktiengesellschaft
Sever Frank
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