Hydrotreating Activity of Heavy Gasoil over NiMo/γ-Al2O3–TiO2
- 2 January 2004
- journal article
- Published by Informa UK Limited in Petroleum Science and Technology
- Vol. 22 (1-2), 103-117
- https://doi.org/10.1081/lft-120028526
Abstract
Different γ-Al2O3–TiO2 catalysts were tested in a pilot plant fixed-bed reactor in order to evaluate the effect of atomic ratio (Ni/Ni + Mo) on hydrotreating activity of heavy gasoil FCC feed. Hydrotreating reactions were carried out at three temperatures (330, 365, and 400°C) and LHSV of 6 h−1. Studies of atomic ratio were done varying Ni amounts (2, 2.4, and 2.95 wt%) whereas molybdenum loading was kept constant (6 wt%) for all catalysts, the behavior of these catalysts was compared with a reference catalyst containing 11.5 wt% of Mo and 2.95 wt% of Ni, which was evaluated at the same conditions. All catalysts were prepared by incipient impregnation method over γ-Al2O3–TiO2 (Ti = 5.6 wt%). Experimental results showed correlation between the atomic ratio (Ni/Ni + Mo) and the best results for hydrodemetallization where found for the catalyst with atomic ratio of (Ni/Ni + Mo) = 0.45.Keywords
This publication has 20 references indexed in Scilit:
- Hydroprocessing of Maya heavy crude oil in two reaction stagesApplied Catalysis A: General, 2002
- PREPARATION OF NEW TYPE CATALYST WITH GOOD PROPERTIES FOR HYDRODESULFURIZATIONPetroleum Science and Technology, 2002
- Changes in Apparent Reaction Order and Activation Energy in the Hydrodesulfurization of Real FeedstocksEnergy & Fuels, 2001
- Comparison of different Ni-Mo/alumina catalysts on hydrodemetallization of Maya crude oilApplied Catalysis A: General, 2001
- Influence of the Synthesis Additive on the Textural and Structural Characteristics of Sol−Gel Al2O3−TiO2Industrial & Engineering Chemistry Research, 2000
- TPR and NO adsorption studies of Mo, CoMo and NiMo catalysts supported on Al2O3−TiO2 mixed oxidesPublished by Elsevier BV ,1999
- Effect of mixed titania-alumina supports on the phase composition of NiMo/TiO2Al2O3 catalystsApplied Catalysis A: General, 1995
- Temperature-programmed reduction of Ni-Mo oxidesJournal of Materials Science, 1989
- Catalytic Hydrodemetalation of Heavy OilsStudies in Surface Science and Catalysis, 1989
- Study of nickel-molybdenum-.gamma.-aluminum oxide catalysts by x-ray photoelectron and Raman spectroscopy. Comparison with cobalt-molybdenum-.gamma.-aluminum oxide catalystsThe Journal of Physical Chemistry, 1981