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Received June 24, 2016
Accepted August 23, 2016
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Enhancement of gasoline selectivity in combined reactor system consisting of steam reforming of methane and Fischer-Tropsch synthesis
Department of Chemical Engineering, University of Sistan and Baluchestan, Zahedan 98164-161, Iran 1Department of Chemical Engineering, College of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran 2Faculty of Engineering, University of Golestan, Gorgan, Iran
fshahraki@eng.usb.ac.ir
Korean Journal of Chemical Engineering, January 2017, 34(1), 87-99(13), 10.1007/s11814-016-0242-z
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Abstract
A two-stage, one-dimensional configuration model including the steam reforming of methane (SRM) and Fischer-Tropsch (FT) synthesis has been developed for the production of hydrocarbons. This configuration is used to investigate hydrocarbon product distribution, such as gasoline. The first SRM reactor is fed by methane and steam, and the products are converted to hydrocarbons by the second FT reactor. The model was solved numerically by applying the finite difference approximation, and the set of first-order ODEs was solved in the axial direction. The results show that complete conversion of hydrogen in the second reactor can be achieved although a small amount of carbon monoxide remains. Furthermore, at higher H2O/CH4 ratio (and low CO in feed), lower C2-C5 yield and selectivity is obtained.
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References
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Xu J, Froment GF, AIChE J., 35, 88 (1989)
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De Wasch AP, Froment GF, Chem. Eng. Sci., 27, 567 (1972)
Froment GF, Bischoff KB, Chemical Reactor Analysis and Design, John Wiley, New York (1979).
Kunii D, Smith JM, AIChE J., 6, 71 (1960)
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Wilke CR, Chem. Eng. Prog., 45, 218 (1949)
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Rahimpour MR, Elekaei H, Fuel Process. Technol., 90(6), 747 (2009)
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