Deep bed filter, method of manufacture of a filter layer and a f

Details Deep bed filter, method of manufacture of a filter layer and a f Deep bed filter, method of manufacture of a filter layer and a f

1991-06-28

1993-08-03

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210483, 210496, 21050026, 210509, 55 97, B01D 2706

Patent

active

052325954

ABSTRACT:
A deep bed filter with a layer thickness of at least 1 mm comprises a pleated, self supporting filter layer (7, 8) which contains a mixture of long fibered material and short fibered material, whereby the fibers comprise cellulose and/or artificial fibers and whereby the filter layer preferably contains diatomaceous earth and/or perlite.

REFERENCES:
patent: 3115459 (1963-12-01), Giesse
patent: 3591010 (1971-07-01), Pall et al.
patent: 4032457 (1977-06-01), Matchett
patent: 4089783 (1978-05-01), Holyoak
patent: 4704207 (1987-11-01), Chu
patent: 5084178 (1992-01-01), Miller et al.

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