Research Article

The Influence of Ce or Mn Doping on Cu-Based Catalysts for De-NOx with NH3-SCR

Figure 3

NH3-TPD profile of copper-modified SSZ-13 catalysts: (a) 2% Cu/SSZ-13, (b) 4% Cu/SSZ-13, (c) 6% Cu/SSZ-13, and (d) SSZ-13.