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Initiation of Alkane Isomerization on Sulfated Zirconia Catalysts Studied by In Situ X-ray Absorption, UV-vis and IR Spectroscopy

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Jentoft,  Friederike C.
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Klose,  Barbara S.
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Jentoft,  Rolf E.
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Ressler,  Thorsten
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Joshi,  Pradnya
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Chan Thaw,  Carine
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Trunschke,  Annette
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Schlögl,  Robert
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Jentoft, F. C., Klose, B. S., Jentoft, R. E., Ressler, T., Joshi, P., Chan Thaw, C., et al. (2005). Initiation of Alkane Isomerization on Sulfated Zirconia Catalysts Studied by In Situ X-ray Absorption, UV-vis and IR Spectroscopy. Poster presented at 19th North American Catalysis Society Meeting, Philadelphia, USA.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-0889-2
Abstract
A combined catalytic and multi-method (X-ray absorption fine structure (XAFS), UV-vis, and diffuse reflectance Fourier transform IR (DRIFTS) spectroscopy) in situ spectroscopic study of sulfated zirconia catalysts during activation and n-butane isomerization is presented, and insight into the low temperature activation of alkanes is given. The question of initiation of n-Butane isomerization was approached in two ways: (i) the influence of inert or oxidizing activation conditions on SZ or Mn-promoted SZ was investigated, because for ODH an oxidized surface should be favorable, and (ii) during n-butane isomerization, the catalyst was checked for products of ODH, i.e. for water, for a reduced catalyst component (Mn, Zr, S) and for butenes or intermediates formed from it.