Characterization of Catalytic MaterialsIsrael E. Wachs, the volume Editor, is Professor of Chemical Engineering at Lehigh University and Director of the Vibrational Spectroscopy Laboratory in the Zettlemoyer Center for Surface Studies. Professor Wachs has done importnat research in heterogeneous catalysis while at Lehigh and, earlier, as a staff member of Exxon Research. Characterization of Catalytic Materials is a modern, comprehensive reference volume covering the analysis of catalytic materials used in commercial applications. This book provides information for understanding the performance of each class of catalytic material and discusses the applications of these materials in different kinds of technologies such as in pollution control, and chemical and petroleum processing. Each chapter is written by individuals who are internationally recognized as experts in their respective areas and is organized for easy reference by catalytic classes, and the types of surface, interface, and bulk characterization that might be sought. Written from the materials perspective, Characterization of Catalytic Materials focuses on the properties to be measured rather than on the techniques to be used. |
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Page 76
... reduced sample , which complicates the spectral analysis and may make curve fitting necessary.11 Raman and IR spectroscopy may not be as useful for the reduced states because the absence of terminal M - O bonds results in much weaker ...
... reduced sample , which complicates the spectral analysis and may make curve fitting necessary.11 Raman and IR spectroscopy may not be as useful for the reduced states because the absence of terminal M - O bonds results in much weaker ...
Page 78
... reduced surface . This is presented in the NO TPD spectra of Figure 4.6 for the reduced MoO3 / TiO2 catalyst as a function of extent of reduc- tion . Clearly , there appear to be two different reduced Mo sites for NO adsorption in this ...
... reduced surface . This is presented in the NO TPD spectra of Figure 4.6 for the reduced MoO3 / TiO2 catalyst as a function of extent of reduc- tion . Clearly , there appear to be two different reduced Mo sites for NO adsorption in this ...
Page 84
... reduced MoO3 / TiO2 catalyst ( 6.6 wt % , pH = 4.0 ) at different extents of reduction . to monolayer coverage . 33 This difference is probably due to the facts that methanol oxidation is a unimolecular reaction that occurs on the ...
... reduced MoO3 / TiO2 catalyst ( 6.6 wt % , pH = 4.0 ) at different extents of reduction . to monolayer coverage . 33 This difference is probably due to the facts that methanol oxidation is a unimolecular reaction that occurs on the ...
Contents
SUPPORTED METALS | 17 |
BULK METAL OXIDES | 47 |
SUPPORTED METAL OXIDES | 69 |
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acid activity adsorbed adsorption alloys amount analysis application atoms beam behavior bismuth bond bulk bulk metal Catal cation changes characterization Chem chemical chemisorption Chemistry clusters composition contain coordination crystal crystalline depends Depth Detection determine diffraction dispersion distribution edge effect electron electron microscopy elements energy example Figure formation function hydrogen important indicated intensity interaction ions lattice layer limited materials measured metal oxide methods MICHIGAN molecular molecules molybdenum MoS2 Mössbauer observed obtained oxide catalysts oxygen particle peak phase pillared clays pore possible powders preparation present pressure probe produce promoter properties Raman spectroscopy range reaction reduced Reference relative requirements resolution sample scattering selective shows single solid solution specific spectra spectroscopy structure studies sulfides supported metal surface area techniques temperature tion typically usually X-ray X-ray diffraction zeolites