Influence of boron on the state and dispersion of CO/Al/sub 2/O/sub 3/ catalysts
Conference
·
· Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)
OSTI ID:5334685
Cobalt dispersion increases as a result of boron support modification. Boron increase Co dispersion to the greatest extent at high Co loadings where Co dispersion on the unmodified support is quite poor. Thus, the effect of boron on Co dispersion depends on both Co loading and boron loading. The increase in Co dispersion results from an increase in Co/support interaction which prevents Co agglomeration. The chemical state of Co also changes when supported on a boron modified carrier, as Co/sub 3/O/sub 4/ formation is suppressed in favor of octahedral Co/sup 2 +/. The formation of Co/sub 3/O/sub 4/ resumes at Co loadings greater than 6 wt%.
- Research Organization:
- Dept. of Chemistry, Univ. of Pittsburgh, Pittsburgh, PA
- OSTI ID:
- 5334685
- Report Number(s):
- CONF-860425-
- Conference Information:
- Journal Name: Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States) Journal Volume: 31:1
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Tue Mar 31 23:00:00 EST 1987
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADDITIVES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BORON
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYST SUPPORTS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COBALT
COBALT COMPOUNDS
COBALT OXIDES
CRACKING
DECOMPOSITION
ELEMENTS
HYDROGENATION
KINETICS
METALS
MOLYBDENUM
NICKEL
OXIDES
OXYGEN COMPOUNDS
PH VALUE
PYROLYSIS
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
REACTION KINETICS
SEMIMETALS
SURFACE PROPERTIES
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
400201* -- Chemical & Physicochemical Properties
ADDITIVES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BORON
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYST SUPPORTS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COBALT
COBALT COMPOUNDS
COBALT OXIDES
CRACKING
DECOMPOSITION
ELEMENTS
HYDROGENATION
KINETICS
METALS
MOLYBDENUM
NICKEL
OXIDES
OXYGEN COMPOUNDS
PH VALUE
PYROLYSIS
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
REACTION KINETICS
SEMIMETALS
SURFACE PROPERTIES
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS