Process and apparatus for the formation of a filter cake

Details Process and apparatus for the formation of a filter cake Process and apparatus for the formation of a filter cake

1985-09-20

1988-07-26

Castel, Benoit

Liquid purification or separation

Processes

Separating

210391, 210411, 210489, 210386, 2105001, B01D 3336, B01D 3700, B01D 3908

Patent

active

047598581

ABSTRACT:
The invention relates to an improved process and apparatus to produce a filter cake formed by retained solids collected on a filter cloth during filtering. Accordingly, the filter cake is sub-divided into a plurality of filter cake elements which are kept separate from each other at predetermined distances. Further, impermeable zones on the filter cloth are formed around the filter cake elements. The filter cake elements and the impermeable zones are of a size that the filter cake elements can freely contract in any plane without cracking, while the filter cloth between the filter cake elements is covered by the impermeable zones.

REFERENCES:
patent: 1700772 (1929-02-01), McCaskell
patent: 2332917 (1943-10-01), Jordan et al.
patent: 3096279 (1963-07-01), Komline
patent: 3747770 (1973-07-01), Zentis
patent: 3968287 (1976-07-01), Balk
patent: 4038187 (1977-07-01), Saffran

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