SO2 Poisoning Behaviors of Ca-Mn/TiO2 Catalysts for Selective Catalytic Reduction of NO with NH3 at Low Temperature
Figure 3
XPS spectra of Mn/TiO2 and Ca(0.1)-Mn/TiO2 before and after SCR reaction in the presence of SO2((a) Mn 2p Mn/TiO2, (b) Mn2p Ca(0.1)-Mn/TiO2, (c) Ca 2p, and (d) S 2p).