Process for the production of catalysts for the reduction of nit

Details Process for the production of catalysts for the reduction of nit Process for the production of catalysts for the reduction of nit

1987-09-04

1989-02-21

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

502305, 502316, 502325, 502527, B01J 2904, B01J 3700, B01J 3500

Patent

active

048064270

ABSTRACT:
The invention relates to a process for the production of catalysts for the reduction of nitrogen oxides from exhaust gases and similar chemical air cleaning processes, in which a catalytically active material is deposited and bonded on a carrier made of metal, preferably stainless steel. The carrier is preferably in the form of a perforated metal plate, or of rib mesh, or a grid, preferably fabric, honeycombed or knitted material made of metal wire, or a similar material with a high specific surface. To simplify manufacturing and to improve the characteristics of the catalysts, the invention proposes the use of an acid which etches the surface of the metal carrier as the binder for the catalytically active material.

REFERENCES:
patent: 3956192 (1976-05-01), Nicolai
patent: 4040981 (1977-08-01), Inaba et al.
patent: 4285838 (1981-08-01), Ishida et al.
patent: 4517219 (1985-05-01), Hajek

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