Filter comprising a catalyst on a substrate for purification of

Details Filter comprising a catalyst on a substrate for purification of Filter comprising a catalyst on a substrate for purification of

1985-02-13

1987-01-13

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502181, 502182, 502183, 502184, 502185, 502224, 502226, 502230, 502241, 502243, 502245, 502253, 502307, 502313, 502314, 502315, B01J 2104, B01J 2108, B01J 2118

Patent

active

046364854

ABSTRACT:
Pt catalyst on a substrate provides an air purification particularly for carbon oxide contained in the inhaled air is caused to react with air oxygen on the surface of carbon oxide catalysts and thus removed. But it is desirable for many air filter applications to eliminate, in addition to CO, other harmful gases from the air also. The Pt catalyst used as gaskmask filter material offers, particularly, but little protection additionally against acid gases. Due to an additional impregnation with the oxides of amine-forming heavy metals, the separating powers for acid gases is increased extraordinarily without reducing the capability of the Pt catalyst to oxidize CO catalytically. There even results an intensification of the respective effectiveness.

REFERENCES:
patent: 3956459 (1976-05-01), Whitman et al.
patent: 4005177 (1977-01-01), Weidenbach et al.
patent: 4012485 (1977-03-01), Meguerian et al.
patent: 4366668 (1983-01-01), Madgavkar et al.
patent: 4492770 (1985-01-01), Blanchard et al.

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