Study of ethene homologation over supported MoO/sub 3/ catalysts: effect of catalyst support and pretreatment
Journal Article
·
· J. Catal.; (United States)
OSTI ID:5451593
The catalytic transformation of short-chain hydrocarbons to higher homologs is an important reaction. In general, the yield of the homologated product was found to be sensitive to the structure and chain length of parent hydrocarbon and partial pressure of hydrogen used in the reaction. The yield was found to increase with the CH/sub 2//CH/sub 3/ ratio in the n-alkanes, starting from ethane and propane, which showed little or no activity, and tending to an upper limit with C/sub 7/ to C/sub 9/ alkanes. In a previous study, the authors found that various impregnated reduced MoO/sub 3/ catalysts are active for ethane homologation, which presumably occurs via insertion of active surface species (CH/sub x/) into adsorbed ethene. This note reports the results of ethene homologation over the various supported MoO/sub 3/ catalysts. The catalyst supports used in this work were TiO/sub 2/, ZrO/sub 2/, SiO/sub 2/, SiO/sub 2/-Al/sub 2/O/sub 3/ (13.75% Al/sub 2/O/sub 3/), SiO/sub 2/-Al/sub 2/O/sub 3/ (28.61% Al/sub 2/O/sub 3/), and ..gamma..-Al/sub 2/O/sub 3/. 14 references.
- Research Organization:
- Hokkaido Univ., Sapporo, Japan
- OSTI ID:
- 5451593
- Journal Information:
- J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 105:2; ISSN JCTLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
ALKENES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYST SUPPORTS
CATALYTIC EFFECTS
CATALYTIC REFORMING
CHALCOGENIDES
CHEMICAL REACTIONS
CHROMATOGRAPHY
COMPARATIVE EVALUATIONS
DISPERSIONS
ELEMENTS
EQUATIONS
ETHYLENE
GAS CHROMATOGRAPHY
HYDROCARBONS
HYDROGEN
KINETIC EQUATIONS
MIXTURES
MOLYBDENUM COMPOUNDS
MOLYBDENUM OXIDES
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTIAL PRESSURE
PERFORMANCE TESTING
PROPYLENE
REDUCTION
REFORMER PROCESSES
REFRACTORY METAL COMPOUNDS
SEPARATION PROCESSES
SILICON COMPOUNDS
SILICON OXIDES
SYNTHESIS
TESTING
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
020400* -- Petroleum-- Processing
ALKENES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYST SUPPORTS
CATALYTIC EFFECTS
CATALYTIC REFORMING
CHALCOGENIDES
CHEMICAL REACTIONS
CHROMATOGRAPHY
COMPARATIVE EVALUATIONS
DISPERSIONS
ELEMENTS
EQUATIONS
ETHYLENE
GAS CHROMATOGRAPHY
HYDROCARBONS
HYDROGEN
KINETIC EQUATIONS
MIXTURES
MOLYBDENUM COMPOUNDS
MOLYBDENUM OXIDES
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTIAL PRESSURE
PERFORMANCE TESTING
PROPYLENE
REDUCTION
REFORMER PROCESSES
REFRACTORY METAL COMPOUNDS
SEPARATION PROCESSES
SILICON COMPOUNDS
SILICON OXIDES
SYNTHESIS
TESTING
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES