Research Article

SO2 Poisoning Behaviors of Ca-Mn/TiO2 Catalysts for Selective Catalytic Reduction of NO with NH3 at Low Temperature

Figure 2

XRD patterns of Mn/TiO2 and Ca(0.1)-Mn/TiO2 before and after SCR reaction in the presence of SO2: , anatase; □, rutile; ○, MnO2; ■, CaSO4.
904649.fig.002