The influence of phosphorus on the structure and hydrodesulfurization activity of sulfided Co and Co-Mo catalysts supported on carbon and alumina

Journal Article · Sun Mar 31 23:00:00 EST 1991 · Journal of Catalysis; (USA)

DOI:https://doi.org/10.1016/0021-9517(91)90313-S· OSTI ID:5537880

Bouwens, S M.A.M. ^[1]; van der Kraan, A M; de Beer, V H.J.; Prins, R ^[2]

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1. Eindhoven Univ. of Technology (Netherlands)
2. Delft Univ. of Technology (Netherlands)

The thiophene HDS activities of phosphorus-containing Co and Co-Mo sulfide catalysts supported on {gamma}-Al{sub 2}O{sub 3} and activated carbon were measured at atmospheric pressure. Phosphorus decreased the thiophene HDS activity of the carbon-supported catalysts considerably but did not affect the activity of the alumina-supported catalysts. From XPS it was inferred that phosphorus improves the dispersion of the cobalt phase in the oxide precursor state of both the carbon- and alumina-supported catalysts. In the sulfided state the interaction between phosphorus and the metal sulfide phase appeared to depend on the support. In the sulfided carbon-supported catalysts, phosphorus formed a Co-phosphate phase, which is responsible for the decrease in HDS activity, while on alumina phosphorus did not influence the structure of the metal sulfide phase.

• OSTI ID: 5537880
• Journal Information: Journal of Catalysis; (USA), Journal Name: Journal of Catalysis; (USA) Vol. 128:2; ISSN 0021-9517; ISSN JCTLA
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
02 PETROLEUM
020400* -- Petroleum-- Processing
ACTIVATED CARBON
ADSORBENTS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CARBON
CATALYST SUPPORTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
COBALT COMPOUNDS
COBALT PHOSPHATES
COBALT SULFIDES
DESULFURIZATION
DISTRIBUTION
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HETEROCYCLIC COMPOUNDS
MOLYBDENUM COMPOUNDS
MOLYBDENUM SULFIDES
NONMETALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
PHASE STUDIES
PHOSPHATES
PHOSPHORUS
PHOSPHORUS COMPOUNDS
PHOTOELECTRON SPECTROSCOPY
PROCESSING
REFINING
REFRACTORY METAL COMPOUNDS
SPECTROSCOPY
SULFIDES
SULFUR COMPOUNDS
SURFACE PROPERTIES
THIOPHENE
TRANSITION ELEMENT COMPOUNDS
X-RAY SPECTROSCOPY