Process for the manufacture of catalytic elements and catalytic

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same

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502210, 502211, 502213, 502217, 502221, 502222, B01J 27053, B01J 27185, B01J 27188, B01J 27198

Patent

active

049140736

ABSTRACT:
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 a mixture of solid primary materials which include 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, wherein:

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

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