Liquid purification or separation – Plural distinct separators – Filters
Patent
1977-08-04
1978-12-05
Sever, Frank
Liquid purification or separation
Plural distinct separators
Filters
210409, 210415, B01D 3516
Patent
active
041284801
ABSTRACT:
In a large scale filtration apparatus filtration is performed in a vertical cylindrical vessel, in which a number of spaced filter leaves are suspended. The liquor to be filtered is introduced into the shell and the filtrate is led out from the interior of the individual leaves. The filter residues are removed from the leaves at intervals by means of a spray device located in the top of the shell above the leaves. A spray bar, having a downwardly facing elongated slit orifice and rotating slowly about the axis of the shell, is preferably employed for this purpose.
REFERENCES:
patent: 1096133 (1914-05-01), Shepherd
patent: 2426618 (1947-09-01), Klein
patent: 2540362 (1951-02-01), Winslow et al.
patent: 2854142 (1958-09-01), Baker
Alcan Research and Development Limited
Sever Frank
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