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Preparation and characterisation of Ag/alumina catalysts for the removal of NO x emissions under oxygen rich conditions

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Abstract

A highly active silver/alumina catalyst for continuous reduction of NO to nitrogen with octane under lean conditions was prepared. The effect of impregnation time and precursor concentration on the catalyst activity was investigated. The catalyst was characterized by means of XRF, H2-TPR, and UV-Vis to correlate recorded results with different preparation methods. UV-Vis measurements indicated that the highest and most stable activity is obtained with Ag/alumina exhibiting predominantly monoatomically dispersed silver.

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Authors and Affiliations

  1. Laboratory of Industrial Chemistry, Process Chemistry Group, Åbo Akademi University, Åbo, Finland

    K. Arve, F. Klingstedt, K. Eränen, L.-E. Lindfors & D. Yu. Murzin

  2. J. Heyrovský Institute of Physical Chemistry, CZ-182 23, Prague 8, Czech Republic

    L. Čapek, J. Dědeček, Z. Sobalik & B. Wichterlová

Authors
  1. K. Arve
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  2. L. Čapek
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  3. F. Klingstedt
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  4. K. Eränen
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  5. L.-E. Lindfors
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  6. D. Yu. Murzin
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  7. J. Dědeček
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  8. Z. Sobalik
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  9. B. Wichterlová
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Correspondence to K. Arve.

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Arve, K., Čapek, L., Klingstedt, F. et al. Preparation and characterisation of Ag/alumina catalysts for the removal of NO x emissions under oxygen rich conditions. Topics in Catalysis 30, 91–95 (2004). https://doi.org/10.1023/B:TOCA.0000029734.85321.ef

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  • DOI: https://doi.org/10.1023/B:TOCA.0000029734.85321.ef

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