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High performances of Pt-K/Al2O3 versus Pt-Ba/Al2O3 LNT catalysts in the simultaneous removal of NO x and soot

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The potentiality of a Pt-K/Al2O3 catalyst in the simultaneous removal of particulate matter (soot) and NO x is investigated in this work by means of Temperature Programmed Oxidation (TPO) experiments and Transient Response Method (TRM), and compared with Pt-Ba/Al2O3. The results point out the higher performances of K-based sample in the soot combustion as compared to the Ba-based catalyst, and similar behaviour in the NO x -storage.

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  18. Unpublished results

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Authors and Affiliations

  1. Dipartimento di Chimica Industriale e Ingegneria Chimica “Giulio Natta”, Centro NEMAS - Nano Engineered MAterials and Surfaces, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133, Milano, Italy

    R. Matarrese, L. Castoldi, L. Lietti & P. Forzatti

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  1. R. Matarrese
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  2. L. Castoldi
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  3. L. Lietti
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  4. P. Forzatti
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Correspondence to L. Lietti.

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Matarrese, R., Castoldi, L., Lietti, L. et al. High performances of Pt-K/Al2O3 versus Pt-Ba/Al2O3 LNT catalysts in the simultaneous removal of NO x and soot. Top Catal 42, 293–297 (2007). https://doi.org/10.1007/s11244-007-0194-y

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  • DOI: https://doi.org/10.1007/s11244-007-0194-y

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