Ozone removal filter having manganese dioxide coated thereon

Details Ozone removal filter having manganese dioxide coated thereon Ozone removal filter having manganese dioxide coated thereon

1978-04-03

1980-06-10

Garris, Bradley R.

Chemical apparatus and process disinfecting, deodorizing, preser

For deodorizing of, or chemical purification of, or...

Including solid, extended surface, fluid contact reaction...

252471, 423210, 423219, B01D 114, B01J 2334, C01B 1308

Patent

active

042072913

ABSTRACT:
Filter for removal of ozone from air, e.g. in aircraft cabins, comprising a porous and preferably light weight and thermally stable substrate, particularly an organic polymer such as polybenzimidazole, containing a film or coating of manganese dioxide. The article can be formed by treating the substrate with a permanganate solution under conditions to reduce the permanganate to MnO.sub.2.

REFERENCES:
patent: 2739132 (1956-03-01), Riedl
patent: 3019197 (1962-01-01), Saunders
patent: 3269801 (1966-08-01), Boberg et al.
patent: 3295918 (1967-01-01), Briggs et al.
patent: 3907532 (1975-09-01), Roberts
patent: 3993597 (1976-11-01), Stiles
patent: 4003854 (1977-01-01), Skviortsov et al.
patent: 4007118 (1977-02-01), Ciambrone
patent: 4111793 (1978-09-01), Kolombos et al.
Rideal; "Ozone"; 9-5-22; p. 135; Constable & Co. Ltd.

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