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 131
... molecules ( see Figure 7.3 ) . They act as molecular sieves , discriminating among molecules on the basis of size : molecules smaller than the pore size are admitted into the crystal interior while those larger are not . These well ...
... molecules ( see Figure 7.3 ) . They act as molecular sieves , discriminating among molecules on the basis of size : molecules smaller than the pore size are admitted into the crystal interior while those larger are not . These well ...
Page 143
... molecular sieves at P / P = 0.4 . Pore Size As previously mentioned , molecular sieves are unique in that they contain pores in the size range of small molecules . These pore sizes can be measured using adsorp- tion methods , as ...
... molecular sieves at P / P = 0.4 . Pore Size As previously mentioned , molecular sieves are unique in that they contain pores in the size range of small molecules . These pore sizes can be measured using adsorp- tion methods , as ...
Page 144
... molecules is laborious ) and the ability to probe a much broader range in pore size than is possible with volatile probe molecules . The disadvantage is the lack of a precise mathematical relationship that can convert the isotherm to a ...
... molecules is laborious ) and the ability to probe a much broader range in pore size than is possible with volatile probe molecules . The disadvantage is the lack of a precise mathematical relationship that can convert the isotherm to a ...
Contents
SUPPORTED METALS | 17 |
BULK METAL OXIDES | 47 |
SUPPORTED METAL OXIDES | 69 |
Copyright | |
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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