Reduction of CuO-Al/sub 2/O/sub 3/ catalysts
Journal Article
·
· Kinet. Catal. (Engl. Transl.); (United States)
OSTI ID:5845489
It has been shown by temperature-programmed reduction and electronic diffuse reflectance spectroscopy that the interstitial structures with Cu/sup 3 +/ and Cu/sup 2 +/ ions in CuO-Al/sub 2/O/sub 3/ catalysts are reduced to clusters of metallic copper at 340-355/sup 0/C and 400-600/sup 0/C, respectively, that the CuO surface oxide aggregates are reduced to particles of a Cu/sup 0/ phase at 190-285/sup 0/C, and that the tetrahedrally coordinated Cu/sup 2 +/ ions in CuAl/sub 2/O/sub 4/ are reduced in the 350-400/sup 0/C temperature range.
- OSTI ID:
- 5845489
- Journal Information:
- Kinet. Catal. (Engl. Transl.); (United States), Journal Name: Kinet. Catal. (Engl. Transl.); (United States) Vol. 27:4; ISSN KICAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CALCINATION
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYSIS
CATALYST SUPPORTS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
DECOMPOSITION
ELECTRON SPECTRA
HETEROGENEOUS CATALYSIS
KINETICS
MATERIALS TESTING
OXIDES
OXYGEN COMPOUNDS
PYROLYSIS
REACTION KINETICS
REDUCTION
SPECTRA
TEMPERATURE DEPENDENCE
TESTING
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
VALENCE
400201* -- Chemical & Physicochemical Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CALCINATION
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYSIS
CATALYST SUPPORTS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
DECOMPOSITION
ELECTRON SPECTRA
HETEROGENEOUS CATALYSIS
KINETICS
MATERIALS TESTING
OXIDES
OXYGEN COMPOUNDS
PYROLYSIS
REACTION KINETICS
REDUCTION
SPECTRA
TEMPERATURE DEPENDENCE
TESTING
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
VALENCE