| 摘要 |
A catalyst shaped unit comprising a honeycomb monolith for the selective oxidation or reduction of components of exhaust gases of internal combustion engines, which catalyst shaped unit is obtainable by a method comprising an additive layer process, which method comprising the steps of: (i) forming a layer of a powdered catalytic material or powdered catalyst support material; (ii) binding or fusing the powdered catalytic material or powdered catalyst support material in the layer according to a predetermined pattern; (iii) repeating (i) and (ii) layer upon layer to form the honeycomb monolith; and (iv) where the honeycomb monolith is formed from powdered catalyst support material, applying a catalytic material to the catalyst support material, wherein the powdered catalytic material or the catalytic material applied to the catalyst support material of the honeycomb monolith in step (iv) comprises one or more metals or metal compounds containing metals selected from the group consisting of Na, K, Mg, Ca, Ba, Al, Si, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Sn, Sb, La, Hf, W, Re, Ir, Pt, Au, Pb, or Ce. |
