Cartridge membrane filter for micro-filtration

Details Cartridge membrane filter for micro-filtration Cartridge membrane filter for micro-filtration

1997-02-11

1998-12-08

Walker, W. L.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050027, 21050041, 210506, 427244, 427245, 264425, 264446, B01D 2706

Patent

active

058464212

ABSTRACT:
The microfiltration membrane cartridge filter is formed by pleating a porous membrane sheet having a mean pore size of 0.05 to 10 .mu.m, rounding the sheet in the form of a cylinder, liquid-tightly sealing joints of the rounded sheet and liquid-tightly sealing opposite ends of the cylinder by end plates, wherein pores in the opposite end portions of the cylindrical pleated membrane are filled up with a high molecular-weight polymer to reject the liquid-permeation of the opposite end portions of the cylindrical pleated membrane. The microfiltration membrane cartridge filter can be made wet to water easily so that an integrity test for the filter is carried on easily.

REFERENCES:
patent: 4579698 (1986-04-01), Meyering et al.
patent: 4906371 (1990-03-01), Miller
patent: 4929354 (1990-05-01), Meyering et al.
patent: 4956089 (1990-09-01), Hurst
patent: 4959150 (1990-09-01), Degen
patent: 5277812 (1994-01-01), Hu et al.
patent: 5709798 (1998-01-01), Adiletta

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