Pulse-technique analysis of the kinetics of the Fischer-Tropsch reaction

Journal Article · Sat Oct 01 04:00:00 EDT 1977 · J. Catal.; (United States)

DOI:https://doi.org/10.1016/0021-9517(77)90003-3· OSTI ID:5454175

Dautzenberg, F M; Helle, J N; van Santen, R A; Verbeek, H

In the Fischer--Tropsch synthesis of paraffins the use of transient operating conditions can influence the molecular weight distribution of the product in that these conditions enable the formation of high molecular weight compounds to be inhibited. The molecular weight distributions obtained can be described by a simple kinetic model which, when applied to the experimental results, provides numerical data on the rate constants of the propagation reaction. With two differently prepared Ru/..gamma..-Al/sub 2/O/sub 3/ catalysts it has been found that, under transient operating conditions, the chains grow at a rate of about on CH/sub 2/ group per minute. The low overall activity of these catalysts appears to be due to the very low intrinsic activity of the exposed Ru atoms and not to a low number of active surface atoms.

• Research Organization: Koninklijke/Shelll-Laboratorium, Amsterdam, Netherlands
• OSTI ID: 5454175
• Journal Information: J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 50:1; ISSN JCTLA
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
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10 SYNTHETIC FUELS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COAL GASIFICATION
ELEMENTS
FISCHER-TROPSCH SYNTHESIS
GASIFICATION
HYDROCARBONS
KINETICS
METALS
MOLECULAR WEIGHT
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PLATINUM METALS
REACTION KINETICS
REFRACTORY METALS
RUTHENIUM
SYNTHESIS
TRANSITION ELEMENTS