| abstract |
An object of the present invention is to provide a denitration catalyst having high activity. [Solution] A composite oxide of vanadium and molybdenum is included, the composite oxide is a mixed-valence compound containing trivalent, tetravalent and pentavalent vanadium, and the number of vanadium cations contained in the composite oxide is 0.7 or more, and the composite oxide is bonded to the surface of the titanium oxide. [Selection drawing] Fig. 2 |