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Supported heteropolyacids for NO x storage and reduction

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Abstract

TiO2 and SnO2 were studied as possible supports for HPW in order to produce a new type of sorbent for NO x trap applications. SnO2 was synthesised by various inorganic methods while TiO2 was purchased commercially. The sorption capacities and efficiencies depend upon the BET surfaces. Best performances were obtained with support with large pores where the crystalline structure of HPW is maintained. The optimal loading of HPW is ca. 50% with BET surface in the range 20–80 m2 g−1.

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Authors and Affiliations

  1. LERCSI, Laboratoire d’Etudes de la Réactivité Catalytique, Surfaces et Interfaces, UMR 7515 du CNRS—ECPM, 25, rue Becquerel, 67087, Strasbourg Cedex 2, France

    S. Thomas, K. Vaezzadeh & V. Pitchon

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  1. S. Thomas
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  2. K. Vaezzadeh
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  3. V. Pitchon
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Correspondence to V. Pitchon.

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Thomas, S., Vaezzadeh, K. & Pitchon, V. Supported heteropolyacids for NO x storage and reduction. Topics in Catalysis 30, 207–213 (2004). https://doi.org/10.1023/B:TOCA.0000029751.88755.c2

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  • DOI: https://doi.org/10.1023/B:TOCA.0000029751.88755.c2

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