Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1988-11-17
1990-04-10
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
423239A, B01J 2106, B01J 2320, B01J 2322, B01J 2328
Patent
active
049161075
ABSTRACT:
A catalyst for the selective reduction with ammonia of nitrogen oxides from an intimate mixture of at least 3 metals in the form of their oxides, namely, titanium, tungsten and at least one of the metals vanadium, iron, niobium, molybdenum, with an atomic ratio of Ti to the other metals of 1:0.001 to 1, wherein there is used as oxide of the titanium a product obtained by flame hydrolysis, which product is impregnated with solutions of the salts of the other metals and is dried and calcined at a high temperature.
REFERENCES:
patent: 4085193 (1978-04-01), Nakajima et al.
patent: 4466947 (1984-08-01), Imanari et al.
Brand Reinhold
Engler H. Bernd
Honnen Wolfgang
Kleine-Moellhoff Peter
Koberstein Edgar
Degussa - Aktiengesellschaft
Shine W. J.
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