Confirmation of Isolated Cu2+ Ions in SSZ-13 Zeolite as Active Sites in NH3-Selective Catalytic Reduction

@inproceedings{Deka2012ConfirmationOI,
  title={Confirmation of Isolated Cu2+ Ions in SSZ-13 Zeolite as Active Sites in NH3-Selective Catalytic Reduction},
  author={Upakul Deka and Am{\'e}lie Juhin and Einar Andr{\'e} Eilertsen and Hermann Emerich and Mark A Green and Satu T. Korhonen and Bert M Weckhuysen and Andrew M Beale},
  year={2012}
}
NH3-Selective Catalytic Reduction (NH3-SCR) is a widely used technology for NOx reduction in the emission control systems of heavy duty diesel vehicles. Copper-based ion exchanged zeolites and in particular Cu-SSZ-13 (CHA framework) catalysts show both exceptional activity and hydrothermal stability for this reaction. In this work, we have studied the origin of the SCR activity of Cu-SSZ-13 as evidenced from a combination of synchrotron-based and laboratory techniques. Synchrotron-based in situ… CONTINUE READING
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