Chemisorption of methane on silica-supported nickel catalysts: a magnetic and infrared study
Journal Article
·
· J. Catal.; (United States)
The adsorption of methane on silica-supported nickel catalysts was studied at various constant temperatures (30/sup 0/C < T < 100/sup 0/C) and at increasing temperatures (30/sup 0/C < T < 300/sup 0/C) using a low-field magnetic method and infrared spectroscopy. In the entire temperature range the chemisorption of CH/sub 4/ was found to be dissociative according to the reaction CH/sub 4/ + 7Ni ..-->.. Ni/sub 3/C (surface nickel-carbide) + 4Ni-H. It was observed that, per unit surface area, small nickel crystallites were more reactive toward methane than were large crystallites.
- Research Organization:
- State Univ. of Utrecht, Netherlands
- OSTI ID:
- 5719505
- Journal Information:
- J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 72:2; ISSN JCTLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
03 NATURAL GAS
033000* -- Natural Gas-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ALKANES
CATALYST SUPPORTS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISORPTION
DATA
DISSOCIATION
ELEMENTS
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
INFRARED SPECTRA
METALS
METHANE
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SEPARATION PROCESSES
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SORPTION
SORPTIVE PROPERTIES
SPECTRA
SURFACE PROPERTIES
TEMPERATURE EFFECTS
TRANSITION ELEMENTS
033000* -- Natural Gas-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ALKANES
CATALYST SUPPORTS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISORPTION
DATA
DISSOCIATION
ELEMENTS
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
INFRARED SPECTRA
METALS
METHANE
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SEPARATION PROCESSES
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SORPTION
SORPTIVE PROPERTIES
SPECTRA
SURFACE PROPERTIES
TEMPERATURE EFFECTS
TRANSITION ELEMENTS