Method of and apparatus for filtering a slurry

Details Method of and apparatus for filtering a slurry Method of and apparatus for filtering a slurry

1987-04-08

1989-05-02

Jones, W. Gary

Liquid purification or separation

Processes

Separating

100113, 100194, 100211, 210225, 210231, 210359, 210398, 210406, 2104161, 210780, 210808, B01D 2512

Patent

active

048266078

ABSTRACT:
Filter cake produced from a slurry is compressed in an enclosure (6) having a pair of opposed flexible walls (5) at least one of which is constituted by a filter and drainage medium. The filter cake is cyclically deformed while under compression with the filter cake supported at least one position (14, 52) within its periphery whereby the unsupported parts of the filter cake are cyclically deformed about the periphery and the position or positions of support. All parts of the filter cake are thus subjected to substantially uniform bending whereby drying of the filter cake is improved.

REFERENCES:
patent: 1705908 (1927-07-01), Witt
patent: 2724508 (1955-11-01), Luther
patent: 3180825 (1965-04-01), Couvreur et al.
patent: 3289845 (1963-05-01), Weber
patent: 3613563 (1971-10-01), Sumskay et al.
patent: 3655049 (1972-04-01), Krachlaner
patent: 3695440 (1972-10-01), Mori
patent: 3807567 (1974-04-01), Iwatani
patent: 3957645 (1976-04-01), Karita et al.
patent: 4397746 (1983-08-01), Kratochvil
patent: 4425233 (1984-01-01), Oelbermann
patent: 4608164 (1986-08-01), Neu

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