Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Patent
1986-09-05
1988-05-03
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Phosphorus or compound containing same
502527, 423239, B01J 2374, B01J 3502
Patent
active
047420367
ABSTRACT:
The invention relates to catalyst plates for reducing nitrogen oxide in exhaust gases. These plates are molded of granular Fe.sub.2 O.sub.3 catalyst material and a binder. To achieve high activity and strength in the plates, these are molded of a combination of a first mixture comprised of Fe.sub.2 O.sub.3 catalyst material and phosphoric acid as binder, and a second, separately-produced mixture comprised of Fe.sub.2 O.sub.3 catalyst material and sulphuric acid as binder. The plates can also be a molding having layers, which layers have alternate layers of the first and second mixtures.
REFERENCES:
patent: 948947 (1910-02-01), Wrampelmeier
patent: 4053434 (1977-10-01), McArthur
patent: 4293447 (1981-10-01), Inaba et al.
Flockenhaus Claus
Grimm Daniel
Kainer Hartmut
Laue Karl H.
Didier-Werke AG
Ljungman Nils H.
Shine W. J.
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