Chemical evidence for the existence of two types of catalytic sites for hydroprocessing of substituted benzenes over NiW(Mo)/. gamma. -1al sub 2 O sub 3
- ENSCM, Montpellier (France)
- Universite de Caen (France)
- Universite des Sciences de Lille, Villeneuve d'Ascq (France)
- IRC, Villeurbanne (France)
- CRES, St. Symphorien d'Ozon (France)
- IFP, Rueil Malmaison (France)
In relation to the preceding paper concerning the physicochemical characterization of NiW/Al{sub 2}O{sub 3} catalysts, the authors have attempted to obtain complementary information by chemical characterizations on the factors which affect the reactivity (hydrogenation vs. hydrogenolysis) of heteroatom-containing molecules and on the nature of the catalytic sites. Such information could be used to improve a catalytic system or to define requirements for the development of new catalysts. For this purpose, they have studied the hydroprocessing of substituted benzenes (O-X, where X = SH, SPh, OH, OPh, NH{sub 2}, NHPh, F, Cl, or Br) which are for the most part postulated or identified intermediates during the course of hydrodesulfurization (HDS), hydrodeoxygenation (HDO) or hydrodenitrogenation (HDN) reactions and which may react through hydrogenation of the aromatic ring or through hydrogenolysis of the C{sub sp{sup 2}}-X bond, depending on the nature of the substituent X.
- OSTI ID:
- 7080641
- Report Number(s):
- CONF-8704347--
- Journal Information:
- American Chemical Society, Division of Petroleum Chemistry, Preprints; (USA), Journal Name: American Chemical Society, Division of Petroleum Chemistry, Preprints; (USA) Vol. 32:2; ISSN 0569-3799; ISSN ACPCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020400* -- Petroleum-- Processing
AROMATICS
CATALYSIS
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL REACTIONS
DATA
DENITRIFICATION
DESULFURIZATION
ELEMENTS
EXPERIMENTAL DATA
HYDROGENATION
INFORMATION
MATHEMATICAL MODELS
METALS
MOLYBDENUM
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
TRANSITION ELEMENTS
TUNGSTEN