Enhanced low temperature NH3-SCR activity and SO2 tolerance by Cu-SSZ-13/R(Sm, Pr,Y or La)MnOx coupled catalysts

Key Points

• The research aims to develop composite catalysts that enhance NH3-SCR activity and SO2 tolerance at low temperatures.
• Synthesis of Cu-SSZ-13/R(Sm, Pr, Y or La)MnOx catalysts using a self-assembly method.
• Assessment of NH3-SCR activity at low temperatures.
• Evaluation of sulfur tolerance under experimental conditions.
• Cu-SSZ-13/R(Sm, Pr, Y or La)MnOx catalysts exhibited enhanced low-temperature NH3-SCR activity.
• Significant improvement in sulfur resistance compared to traditional catalysts.