Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Patent
1979-12-06
1981-10-27
Castel, Benoit
Liquid purification or separation
Recirculation
Serially connected distinct treating or storage units
210196, 210255, 2103231, 426491, 99456, B01D 2504
Patent
active
042972132
ABSTRACT:
The invention is concerned with the treatment of friable particulate organic matter such as cottage cheese curd or casein with liquids as by separation of the matter from the liquid in which it may be formed (e.g. whey) and further contacting with a liquid (e.g. a wash liquid such as water), the apparatus being designed to minimize break up of particles into "fines". This is achieved by providing an even non-turbulent flow of friable matter through a series of liquid contacting and separation zones. The separation of the friable matter from liquid is effected on perforate concave screens the perforations of which have outlets larger than their inlets, each screen being disposed in a generally downward direction immediately following a contacting zone in the form of a trough, each screen feeding separated matter into the next trough. The first trough may be solely the deceleration of the liquid.
REFERENCES:
patent: 1320324 (1919-10-01), Dunkle
patent: 1988612 (1935-01-01), Stinot
patent: 3169111 (1965-02-01), Rose et al.
patent: 3452876 (1969-07-01), Ginaven
patent: 3777893 (1973-12-01), Ginaven
patent: 4113626 (1978-09-01), Detcher
Airey Frederick K.
Evans Arthur R.
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