An NH3-TPD and -FR study on the acidity of sulfated zirconia

作者: R Barthos , F Lónyi , Gy Onyestyák , J Valyon

DOI: 10.1016/S0167-2738(01)00749-4

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摘要: Temperature-programmed desorption (TPD) and frequency response (FR) methods were used to study the dynamics of ammonia sorption over sulfated zirconia (SZ). The results were …

参考文章(14)
Ferenc Lónyi, József Valyon, József Engelhardt, Fujio Mizukami, Characterization and Catalytic Properties of Sulfated ZrO2–TiO2Mixed Oxides Journal of Catalysis. ,vol. 160, pp. 279- 289 ,(1996) , 10.1006/JCAT.1996.0146
D. J. Parrillo, R. J. Gorte, W. E. Farneth, A calorimetric study of simple bases in H-ZSM-5: a comparison with gas-phase and solution-phase acidities Journal of the American Chemical Society. ,vol. 115, pp. 12441- 12445 ,(1993) , 10.1021/JA00079A027
E. Escalona Platero, M. Peñarroya Mentruit, C. Otero Areán, A. Zecchina, FTIR Studies on the Acidity of Sulfated Zirconia Prepared by Thermolysis of Zirconium Sulfate Journal of Catalysis. ,vol. 162, pp. 268- 276 ,(1996) , 10.1006/JCAT.1996.0284
Naonobu Katada, Hirofumi Igi, Jong-Ho Kim, Miki Niwa, Determination of the Acidic Properties of Zeolite by Theoretical Analysis of Temperature-Programmed Desorption of Ammonia Based on Adsorption Equilibrium Journal of Physical Chemistry B. ,vol. 101, pp. 5969- 5977 ,(1997) , 10.1021/JP9639152
G. Yaluris, R.B. Larson, J.M. Kobe, M.R. González, K.B. Fogash, J.A. Dumesic, Selective Poisoning and Deactivation of Acid Sites on Sulfated Zirconia Catalysts forn-Butane Isomerization Journal of Catalysis. ,vol. 158, pp. 336- 342 ,(1996) , 10.1006/JCAT.1996.0032
L.M. Kustov, V.B. Kazansky, F. Figueras, D. Tichit, Investigation of the Acidic Properties of ZrO2 Modified by SO2−4 Anions Journal of Catalysis. ,vol. 150, pp. 143- 149 ,(1994) , 10.1006/JCAT.1994.1330
D. Spielbauer, G. A. H. Mekhemer, M. I. Zaki, H. Kn�zinger, Acidity of sulfated zirconia as studied by FTIR spectroscopy of adsorbed CO and NH3 as probe molecules Catalysis Letters. ,vol. 40, pp. 71- 79 ,(1996) , 10.1007/BF00807460
F. Babou, B. Bigot, P. Sautet, The superacidity of sulfated zirconia : an ab-initio quantum mechanical study The Journal of Physical Chemistry. ,vol. 97, pp. 11501- 11509 ,(1993) , 10.1021/J100146A026
J. Valyon, Gy. Onyestyák, L. V. C. Rees, A Frequency-Response Study of the Diffusion and Sorption Dynamics of Ammonia in Zeolites Langmuir. ,vol. 16, pp. 1331- 1336 ,(2000) , 10.1021/LA990867E
Jack H. Lunsford, Hong Sang, Sharelle M. Campbell, Chin -Huang Liang, Rayford G. Anthony, An NMR study of acid sites on sulfated-zirconia catalysts using trimethylphosphine as a probe Catalysis Letters. ,vol. 27, pp. 305- 314 ,(1994) , 10.1007/BF00813917