Investigation of the reduction of hydrogenating components in aluminum-nickel-molybdenum hydrodesulfurization catalysts by ESR
Journal Article
·
· Kinet. Catal. (Engl. Transl.); (United States)
OSTI ID:6324265
Aluminum-nickel-molybdenum hydrodesulfurization catalysts reduced by hydrogen in the 100 to 600/sup 0/C temperature range have been investigated by ESR and ferromagnetic resonance. The most intense ESR signals of Mo/sup 5 +/ ions were observed in the catalysts reduced at 350/sup 0/C. The intensity of the Mo/sup 5 +/ signals decreases with increasing NiO content in the catalysts. It has been shown that finely divided nickel forms along with the ferromagnetic phase of metallic nickel upon reduction. The influence of MoO/sub 3/ on the reduction processes of nickel and the size of the metal particles formed has been established. It has been postulated that metallic nickel is formed as a result of the reduction of surface nickel molybdates.
- Research Organization:
- All-Union Scientific-Research Inst., Moscow, USSR
- OSTI ID:
- 6324265
- Journal Information:
- Kinet. Catal. (Engl. Transl.); (United States), Journal Name: Kinet. Catal. (Engl. Transl.); (United States) Vol. 21:5; ISSN KICAA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Relation between the catalytic activity of aluminum-nickel-molybdenum hydrorefining catalysts and the ESR signal of Mo/sup 5 +/ ions
Effect of composition and pretreatment on the activity of nickel/molybdenum-based hydrodesulfurization catalysts
Effect of nickel on the acidity and hydrodesulfurization (HDS) activity of supported molybdate catalysts
Journal Article
·
Tue Jun 01 00:00:00 EDT 1982
· J. Appl. Chem. USSR (Engl. Transl.); (United States)
·
OSTI ID:6226343
Effect of composition and pretreatment on the activity of nickel/molybdenum-based hydrodesulfurization catalysts
Journal Article
·
Fri Nov 30 23:00:00 EST 1979
· Ind. Eng. Chem., Prod. Res. Dev.; (United States)
·
OSTI ID:6210801
Effect of nickel on the acidity and hydrodesulfurization (HDS) activity of supported molybdate catalysts
Conference
·
Mon Dec 31 23:00:00 EST 1979
· Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)
·
OSTI ID:6361236
Related Subjects
01 COAL, LIGNITE, AND PEAT
010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
02 PETROLEUM
020400 -- Petroleum-- Processing
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYSIS
CATALYSTS
CHALCOGENIDES
CHEMICAL REACTIONS
DESULFURIZATION
ELECTRON SPIN RESONANCE
ELEMENTS
FERROMAGNETIC RESONANCE
HIGH TEMPERATURE
HYDROGEN
HYDROGENATION
MAGNETIC RESONANCE
MEDIUM TEMPERATURE
METALS
MOLYBDENUM COMPOUNDS
MOLYBDENUM OXIDES
NICKEL
NICKEL COMPOUNDS
NICKEL OXIDES
NONMETALS
OXIDES
OXYGEN COMPOUNDS
REDUCTION
RESONANCE
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
02 PETROLEUM
020400 -- Petroleum-- Processing
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYSIS
CATALYSTS
CHALCOGENIDES
CHEMICAL REACTIONS
DESULFURIZATION
ELECTRON SPIN RESONANCE
ELEMENTS
FERROMAGNETIC RESONANCE
HIGH TEMPERATURE
HYDROGEN
HYDROGENATION
MAGNETIC RESONANCE
MEDIUM TEMPERATURE
METALS
MOLYBDENUM COMPOUNDS
MOLYBDENUM OXIDES
NICKEL
NICKEL COMPOUNDS
NICKEL OXIDES
NONMETALS
OXIDES
OXYGEN COMPOUNDS
REDUCTION
RESONANCE
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS