Hydrotreatment catalyst activity enhancement. Quarterly report No. 9, August 1-October 31, 1985
Hydrogenation of Tetralin in the presence and absence of carbon disulfide was studied. Our presulfidation procedure was modified to achieve more severe sulfidation. In hydrogenation of hydrocarbons, in-situ generation of hydrogen sulfide is required to maintain the catalyst at its sulfided state. Otherwise, a catalyst will lose its activity due to the consumption of the sulfided state which may be mistaken for coking deactivation. Nine model compound runs using decalin, methyl-isobutyl ketone, quinoline, and titanocene dichloride were conducted on a NiMo/alumina and a CoMo/alumina catalyst. One hydrotreatment run using SRC-II distillate was conducted in a trickle bed with periodic doctoring with titanocene dichloride. 6 refs., 7 figs., 10 tabs.
- Research Organization:
- Oklahoma State Univ., Stillwater (USA). School of Chemical Engineering
- DOE Contract Number:
- FG22-83PC60813
- OSTI ID:
- 6378342
- Report Number(s):
- DOE/PC/60813-9; ON: DE86003827
- Country of Publication:
- United States
- Language:
- English
Similar Records
Hydrotreatment catalyst activity enhancement. Quarterly report No. 12, May 1-July 31, 1986. [Effect of titanocene dichloride and sulfidation on catalyst coking]
Hydrotreatment catalyst activity enhancement: Final report for the period August 1, 1983--March 31, 1987. [Investigate mechanism by which titanocene dichloride affects catalyst coking and activity]
Related Subjects
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ALKANES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
AROMATICS
AZAARENES
AZINES
CARBON COMPOUNDS
CARBON SULFIDES
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
CHROMATOGRAPHY
COAL LIQUEFACTION
COAL LIQUIDS
COBALT
COMPLEXES
CYCLOALKANES
DATA
DEACTIVATION
DECALIN
DISTILLATES
ELEMENTS
EXPERIMENTAL DATA
FLUIDS
GAS CHROMATOGRAPHY
HETEROCYCLIC COMPOUNDS
HIGH PRESSURE
HIGH TEMPERATURE
HYDROCARBONS
HYDROGENATION
INFORMATION
KETONES
LIQUEFACTION
LIQUIDS
METALS
METHYL ISOBUTYL KETONE
MOLYBDENUM
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PYRIDINES
QUINOLINES
RESEARCH PROGRAMS
SEPARATION PROCESSES
SRC-II PROCESS
STRUCTURAL MODELS
SULFIDATION
SULFIDES
SULFUR COMPOUNDS
TETRALIN
THERMOCHEMICAL PROCESSES
TITANIUM COMPLEXES
TRANSITION ELEMENT COMPLEXES
TRANSITION ELEMENTS