Process for the manufacture of catalytic elements and catalytic

Details Process for the manufacture of catalytic elements and catalytic Process for the manufacture of catalytic elements and catalytic

1988-08-12

1990-01-23

Shine, W. J.

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

Catalyst or precursor therefor

Boron or compound containing same

502207, 502210, 502213, 502217, 502221, 502222, B01J 2334, B01J 2374, B01J 2386

Patent

active

048958212

ABSTRACT:
This invention relates to a process for the manufacture of catalysts for the reduction of nitrogen oxides in exhaust gases or for chemical air cleaning processes, in which catalyst moldings are produced from iron oxide or mixtures of iron oxide and chromium oxide and/or manganese oxide, which are reduced to grain sizes less than 2 mm, with the use of inorganic binders and sulfuric acid, and with the possible addition of activating additives.
In accordance with the invention:

REFERENCES:
patent: 4695559 (1987-09-01), Wegener et al.
patent: 4742036 (1988-05-01), Flockenhaus et al.

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