The impact of asphaltenes removal on the kinetics of residuum hydrotreating

Journal Article · Sun Dec 31 23:00:00 EST 1989 · Fuel Science and Technology International; (USA)

DOI:https://doi.org/10.1080/08843759008915928· OSTI ID:6962229

Abbas, A A; Ahmed, A B.-A. ^[1]; Mohammed, A -H.A.-K.; Abbas, K ^[2]

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1. Baghdad Univ. (Iraq). Coll. of Engineering
2. Petroleum Research Centre, Scientific Research Centre, P.O. Box 10039, Jadiriyah, Baaghdad, (IQ)

Reduced crude (above 350{degrees} C) prepared in a laboratory distillation unit containing 15 trays was solvent deasphaltened at specified conditions using n-heptane as the precipitant. Both the original and deasphaltened reduced crude was hydrotreated on a commercial Ni-Mo- alumina catalyst in a laboratory trickle bed reactor. This investigation was undertaken to understand the role of asphaltenes removal in the kinetics of the desulphurization, demetallization and deasphaltening processes. Kinetic analysis shows that the hydrotreating reactions of the deasphaltened reduced crude followed a first order kinetics. Rate constants calculated for the above reactions are higher than those obtained in the HDS process for the original full residuum.

• OSTI ID: 6962229
• Journal Information: Fuel Science and Technology International; (USA), Journal Name: Fuel Science and Technology International; (USA) Vol. 8:4; ISSN FSCTE; ISSN 0884-3759
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400 -- Petroleum-- Processing
020500* -- Petroleum-- Products & By-Products
023000 -- Petroleum-- Properties & Composition
ALKANES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ASIA
ASPHALTENES
ASPHALTS
BITUMENS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMICAL REACTORS
CRACKING
DECOMPOSITION
DESULFURIZATION
DEVELOPING COUNTRIES
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HEPTANE
HYDROCARBONS
HYDROCRACKING
IRAQ
KINETICS
METALS
MIDDLE EAST
MOLYBDENUM
NICKEL
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PETROLEUM RESIDUES
PYROLYSIS
REACTION KINETICS
TAR
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS