Disproportionation of toluene over a HY/. beta. -AlF/sub 3//Cu catalyst--2. Kinetics
Journal Article
·
· J. Catal.; (United States)
OSTI ID:6211396
Kinetics were determined for the previously described catalyst at 400/sup 0/-500/sup 0/C, 2.0-11.0 atm total pressure, and with hydrogen diluent to minimize catalyst deactivation. A correction for the loss of activity was applied. At low hydrogen pressure, the toluene disproportionation rate decreased rapidly with increasing hydrogen partial pressure, but the rate became independent of hydrogen pressure at high hydrogen pressure. The apparent activation energy increased from 19.0 to 25.3 kcal/mole as the total pressure increased from 2 to 9 atm at constant hydrogen-toluene ratio. These results indicated that hydrogen inhibits the disproportionation; addition of various products showed that m-xylene also retarded the conversion, but benzene did not. The results were consistent with three Hougen-Watson reaction rate models, which assumed either molecular toluene adsorption or formation of an activated species from toluene as rate-limiting step and either molecular or dissociative hydrogen adsorption.
- Research Organization:
- Delft Univ. of Technology
- OSTI ID:
- 6211396
- Journal Information:
- J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 59:1; ISSN JCTLA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Disproportionation of toluene over a HY/. beta. -AlF/sub 3//Cu catalyst--1. Preparation and characterization
Toluene disproportionation process
Experiments in 100-cubic centimeter ovens for production of pure aromatics, especially toluene, from xylene and DHD residue
Journal Article
·
Wed Aug 01 00:00:00 EDT 1979
· J. Catal.; (United States)
·
OSTI ID:6211398
Toluene disproportionation process
Patent
·
Tue May 12 00:00:00 EDT 1987
·
OSTI ID:6367671
Experiments in 100-cubic centimeter ovens for production of pure aromatics, especially toluene, from xylene and DHD residue
Technical Report
·
Fri Mar 26 00:00:00 EDT 1943
·
OSTI ID:5222347
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ACTIVATION ENERGY
ALKYLATED AROMATICS
ALUMINIUM COMPOUNDS
ALUMINIUM FLUORIDES
AROMATICS
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COPPER
DATA
ELEMENTS
ENERGY
EXPERIMENTAL DATA
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HIGH TEMPERATURE
HYDROCARBONS
HYDROGEN
INFORMATION
INHIBITION
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
MATHEMATICAL MODELS
MEDIUM PRESSURE
METALS
MINERALS
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDATION
PRESSURE DEPENDENCE
REACTION INTERMEDIATES
REACTION KINETICS
REDUCTION
TESTING
TOLUENE
TRANSITION ELEMENTS
VALIDATION
ZEOLITES
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ACTIVATION ENERGY
ALKYLATED AROMATICS
ALUMINIUM COMPOUNDS
ALUMINIUM FLUORIDES
AROMATICS
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COPPER
DATA
ELEMENTS
ENERGY
EXPERIMENTAL DATA
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HIGH TEMPERATURE
HYDROCARBONS
HYDROGEN
INFORMATION
INHIBITION
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
MATHEMATICAL MODELS
MEDIUM PRESSURE
METALS
MINERALS
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDATION
PRESSURE DEPENDENCE
REACTION INTERMEDIATES
REACTION KINETICS
REDUCTION
TESTING
TOLUENE
TRANSITION ELEMENTS
VALIDATION
ZEOLITES