O/sub 2/ chemisorption, ESR spectroscopy, and hydrodesulfurization activity on sulfided CoMo/. gamma. -Al/sub 2/O/sub 3/: Progress report for July through September 1984
Oxygen chemisorption and electron spin resonance spectroscopy (ESR) have been used to characterize sulfided CoMo/..gamma..-Al/sub 2/O/sub 3/ catalysts with different atomic Co/(Co + Mo) ratios (..cap alpha..). Chemisorption of O/sub 2/ on sulfided Mo/..gamma..-Al/sub 2/O/sub 3/ and CoMo/..gamma..-Al/sub 2/O/sub 3/ samples was proportional to the Mo content, but was only slightly affected by addition of Co. Neither chemisorption of O/sub 2/ nor oxo-Mo/sup +5/ ESR signal intensity correlated with thiophene or benzothiophene hydrodesulfurization (HDS) activity of sulfided CoMo/..gamma..-Al/sub 2/O/sub 3/. 21 refs., 5 figs., 1 tab.
- Research Organization:
- Stanford Univ., CA (USA). Dept. of Chemical Engineering
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG22-83PC60782
- OSTI ID:
- 6047496
- Report Number(s):
- DOE/PC/60782-T4; ON: DE89011448
- Country of Publication:
- United States
- Language:
- English
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Thesis/Dissertation
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Fri Dec 31 23:00:00 EST 1982
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYSTS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISORPTION
COBALT
DESULFURIZATION
DOCUMENT TYPES
ELECTRON SPIN RESONANCE
ELEMENTS
HETEROCYCLIC COMPOUNDS
MAGNETIC RESONANCE
METALS
MOLYBDENUM
NONMETALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PROGRESS REPORT
RESONANCE
SEPARATION PROCESSES
SORPTION
SPECTROSCOPY
SULFUR COMPOUNDS
THIOPHENE
TRANSITION ELEMENTS
400102* -- Chemical & Spectral Procedures
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYSTS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISORPTION
COBALT
DESULFURIZATION
DOCUMENT TYPES
ELECTRON SPIN RESONANCE
ELEMENTS
HETEROCYCLIC COMPOUNDS
MAGNETIC RESONANCE
METALS
MOLYBDENUM
NONMETALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PROGRESS REPORT
RESONANCE
SEPARATION PROCESSES
SORPTION
SPECTROSCOPY
SULFUR COMPOUNDS
THIOPHENE
TRANSITION ELEMENTS