Thermal Stability of Zirconia as a Catalyst Support: Kinetics and Modelling

The textural changes of two zirconium dioxide powders, one containing only tetragonal crystallites and the other a mixture of monoclinic and tetragonal crystallites, were investigated. The crystallite size increase was followed by means of X-ray diffraction line broadening for powders annealed in a...

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Veröffentlicht in:	Journal of catalysis 1993-02, Vol.139 (2), p.329-337
Hauptverfasser:	Methivier, A., Pijolat, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies ADSORPTION ANNEALING Catalysis CATALYST SUPPORTS CATALYSTS Catalysts: preparations and properties CHALCOGENIDES CHARGED PARTICLES Chemical and Process Engineering CHEMICAL REACTION KINETICS Chemistry COHERENT SCATTERING CRYSTAL GROWTH CRYSTAL LATTICES CRYSTAL STRUCTURE DESORPTION DIFFRACTION DIFFUSION ELEMENTS Engineering Sciences Exact sciences and technology General and physical chemistry HEAT TREATMENTS HYDROGEN COMPOUNDS IONS KINETICS LINE BROADENING MATERIALS SCIENCE MONOCLINIC LATTICES NONMETALS OXIDES OXYGEN OXYGEN COMPOUNDS POWDERS REACTION KINETICS SCATTERING SIZE SORPTION STABILITY TEMPERATURE DEPENDENCE TEMPERATURE RANGE TEMPERATURE RANGE 0400-1000 K TEMPERATURE RANGE 1000-4000 K TETRAGONAL LATTICES TEXTURE Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry TRANSITION ELEMENT COMPOUNDS WATER X-RAY DIFFRACTION ZIRCONIUM COMPOUNDS ZIRCONIUM IONS ZIRCONIUM OXIDES
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