Apparatus for filtration

Details Apparatus for filtration Apparatus for filtration

1974-07-29

1976-12-21

Granger, Theodore A.

Liquid purification or separation

Plural chambers with movement of granules therebetween

B01D 2310

Patent

active

039987396

ABSTRACT:
An apparatus for filtration comprises a filtration column having an inner cylindrical compartment and an outer jacket compartment disposed in such a relationship that the outer jacket compartment encloses the inner cylindrical compartment and the space interposed between the inner cylindrical compartment and the outer jacket compartment is filled with a granular substance as filtering material to form a filter bed, a means for feeding a liquid subjected to treatment to said filtration column and a means for discharging the treated liquid from the filtration column, a washing column adapted to wash the filtering granules which have served the purpose of filtering the said liquid the filtration column and a means for circulating said filtering granules between said filtration column and the washing column and also allowing the granular filtering material to fill said space so as to form a new filter bed within the filtration column.

REFERENCES:
patent: 1620431 (1927-03-01), Bramwell
patent: 1861295 (1932-05-01), Bramwell
patent: 2801966 (1957-08-01), Mertes et al.
patent: 3272335 (1966-09-01), Nettel
patent: 3550774 (1970-12-01), Hils
patent: 3673085 (1972-06-01), Minart
patent: 3767048 (1973-10-01), Prengemann
patent: 3798159 (1974-03-01), Kisbocskol

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