Low absorption vitreous carbon reactors for operando XAS: a case study on Cu/Zeolites for selective catalytic reduction of NO(x) by NH3.

@article{Kispersky2012LowAV,
  title={Low absorption vitreous carbon reactors for operando XAS: a case study on Cu/Zeolites for selective catalytic reduction of NO(x) by NH3.},
  author={Vincent Frederick Kispersky and Arthur J. Kropf and Fabio H. Ribeiro and Jeffrey T Miller},
  journal={Physical chemistry chemical physics : PCCP},
  year={2012},
  volume={14 7},
  pages={
          2229-38
        }
}
We describe the use of vitreous carbon as an improved reactor material for an operando X-ray absorption spectroscopy (XAS) plug-flow reactor. These tubes significantly broaden the operating range for operando experiments. Using selective catalytic reduction (SCR) of NO(x) by NH(3) on Cu/Zeolites (SSZ-13, SAPO-34 and ZSM-5) as an example reaction, we illustrate the high-quality XAS data achievable with these reactors. The operando experiments showed that in Standard SCR conditions of 300 ppm NO… CONTINUE READING

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