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limiting mutual diffusion coefficients of Fischer-Tropsch synthesis products in near-critical hydrocarbons
a priofi, it is necessary to measure them. We have utilized
alternative fuel source during the fuel embargo and is still
and increased mass transfer. Effective pore diffusivities for
and the pressure range 55.2-110.3 bar. It has been found
determining effective diffusivities is the molecular
diesel fuel. It was developed in Germany during WW 11 as an
diffusivity of the organic in the supercritical fluid.
ethane and propane in the temperature range 293.2-338.25 K
have the advantages of high diffusivities, low viscosities,
However, data for diffusivities in supercritical fluids are
modeling the reaction. One of the most important factors in
modifications to the RHS theory of diffusion by Sung and
mutual diffusion coefficients of some FTS products, namely 1-
objective of our work will be to run the reaction in the
octene and 1-tetradecene, in subcritical and supercritical
scarce. Because diffusion coefficients cannot be determined
solute and solvent. We have correlated the data to predict
solvent density and the molecular weight and diameter of the
Stell (1984) to better predict the data. These modifications
supercritical region with a hydrocarbon solvent in order to
synthesis gas into petroleum products such as gasoline and
that diffusion coefficients are a strong function of the
the diffusion coefficients using the rough-hard-spheres (RHS)
The Fischer-Tropsch synthesis (FTS) is used to convert
the reactants and reaction products become important when
the Taylor dispersion technique to measure the limiting
theory; however, it has been found that this theory
to the RHS theory predict the data we obtained within the
underpredicts the data. Therefore, we have used
used as a major source of fuel in South Africa. The
utilize the advantages of supercritical fluids (SCFs). SCFs