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Sulfated zirconia in SBA-15 structures with strong Brønsted acidity as observed by 1H MAS NMR spectroscopy
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Degirmenci, Volkan, Erdem, Özlen Ferruh, Yilmaz, Aysen, Michel, Dieter and Uner, Deniz (2007) Sulfated zirconia in SBA-15 structures with strong Brønsted acidity as observed by 1H MAS NMR spectroscopy. Catalysis Letters, Volume 115 (Number 1-2). pp. 79-85. doi:10.1007/s10562-007-9078-9 ISSN 1011-372X.
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Official URL: http://dx.doi.org/10.1007/s10562-007-9078-9
Abstract
In order to prepare high surface area highly acidic catalysts, different weight loadings of ZrO2 were incorporated in the SBA-15 structures which are subsequently sulfated by treating in 0.25 M H2SO4. The catalysts were characterized by means of TEM, XRD, N2 adsorption, and 1H MAS NMR. Brønsted type acidities of sulfated zirconia included SBA-15 materials were identified by a sharp 1H MAS NMR line at 10.6 ppm. The highest acidity was obtained in the 25 mol% ZrO2 included SBA-15 catalyst with a BET surface area of 246 m2/g.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | Catalysis Letters | ||||
Publisher: | Springer New York LLC | ||||
ISSN: | 1011-372X | ||||
Official Date: | May 2007 | ||||
Dates: |
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Volume: | Volume 115 | ||||
Number: | Number 1-2 | ||||
Page Range: | pp. 79-85 | ||||
DOI: | 10.1007/s10562-007-9078-9 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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