Strong metal-support interactions: Group VIII noble metals supported on transition metal oxides
Conference
·
· 72nd AIChE Annu. Meet. Prepr.; (United States)
OSTI ID:6313674
- Exxon Res. Eng. Co.
Strong metal-support interaction between, e.g., platinum and a reducible transition metal oxide such as titanium dioxide, which occurs during high-temperature reduction and renders the noble metal unable to adsorb hydrogen or carbon monoxide, can be described by the formation of chemical bonds of mixed covalent-ionic character between the metal atom and the reduced cation of the transition metal oxide. A detailed mechanism for the bond formation is outlined which is consistent with previously published experimental data.
- OSTI ID:
- 6313674
- Report Number(s):
- CONF-791108-
- Conference Information:
- Journal Name: 72nd AIChE Annu. Meet. Prepr.; (United States) Journal Volume: 77F
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORPTION
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYST SUPPORTS
CATIONS
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL BONDS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
ELEMENTS
HYDROGEN
IONS
KINETICS
METALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PLATINUM
PLATINUM METALS
REACTION KINETICS
REDUCTION
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TEMPERATURE EFFECTS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
400201* -- Chemical & Physicochemical Properties
ADSORPTION
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYST SUPPORTS
CATIONS
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL BONDS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
ELEMENTS
HYDROGEN
IONS
KINETICS
METALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PLATINUM
PLATINUM METALS
REACTION KINETICS
REDUCTION
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TEMPERATURE EFFECTS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS