Adsorption filter with high air permeability

Details Adsorption filter with high air permeability Adsorption filter with high air permeability

1990-05-16

1991-01-01

Hart, Charles

Gas separation

With separating media bypass or system gas pressure relief

Valved bypass means

55 75, 55 74, 55387, 55477, 55524, 55DIG13, B01D 5302

Patent

active

049815016

ABSTRACT:
The adsorption filter has a highly air-permeable, three-dimensional carrier framework essentially stable in shape, to which a layer of granular adsorber particles with a diameter of 0.1 to 1 mm is affixed. The carrier framework can be composed of wires, monofilaments or stays, the distance between them being at least twice as great as the diameter of the adsorber particles. The carrier framework can also be a large-pore reticulated polyurethane foam which has a weight of 20 to 60 g/l and pores with a diameter of 1.5 to 3 mm. In spite of a very slight pressure drop, the filter performance is excellent.

REFERENCES:
patent: 3018845 (1962-01-01), Powers
patent: 3217715 (1965-11-01), Berger et al.
patent: 3338034 (1967-08-01), Hemstreey
patent: 3713281 (1973-01-01), Asker et al.

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