Adsorbent filter bed with pliant and stiff members

Details Adsorbent filter bed with pliant and stiff members Adsorbent filter bed with pliant and stiff members

1994-06-14

1996-12-17

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428283, 428297, 428323, 428325, D04H 158

Patent

active

055851711

ABSTRACT:
A filter bed for removing impurities from a liquid stream is described. The filter bed comprises a mat of pliant fibers and relatively stiff fibers. The filter bed may additionally include adsorbent particles. The filter bed can provide desirable filtration efficiencies while exhibiting relatively low operating differentials. A method for separating impurities from a liquid which employs the filter bed is also described.

REFERENCES:
patent: 4231768 (1980-11-01), Seibert et al.
patent: 4238334 (1980-12-01), Halbfoster
patent: 4511473 (1985-04-01), Hou
patent: 4643182 (1987-02-01), Klein

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