B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/52
B01J 21/00 (2006.01) B01D 53/94 (2006.01) B01J 21/06 (2006.01) B01J 23/00 (2006.01) B01J 35/10 (2006.01)
Patent
CA 2010970
ABSTRACT OF THE DISCLOSURE In addition to titanium oxide as component A), a catalyst for the selective reduction of nitrogen oxides with ammonia contains at least one oxide of W, Si, B, Al, P, Zr, Ba, Y, La, Ce and at least one oxide of V, Nb, Mo, Fe, Cu as component B), the atomic ratio between the elements of components A) and B) being from 1 : 0.001 to 1. The catalysts can be obtained by kneading reactive titanium oxide having a high specific surface of, predominantly, anatase with the substances of component B) or precursors thereof with addition of processing aids to form a homogeneous kneaded paste, extruding this paste, drying the extrudate and calcining it in air at 300 to 800°C..
Brand Reinhold
Engler Bernd
Honnen Wolfgang
Koberstein Edgar
Ohmer Johannes
Aktiengesellschaft Degussa
Marks & Clerk
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