Effects of type of contact between Co/SiO2 and Pd/b on the direct synthesis of isoparaffins from synthesis gas |
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| Authors: | Mengfei Luo Xiaohong Li Kenji Asami and Kaoru Fujimoto |
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| Institution: | (1) Institute of Physical Chemistry, Zhejiang Normal University II, China;(2) Department of Chemical Processes and Environments, Faculty of Environmental Engineering, The University of Kitakyushu I: Jinhua 321004, China II, 1-1, Hibikino, Wakamatsu-ku, Kitakyushu, Fukuoka, 808-0135 |
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| Abstract: | The effect of addition of Pd/b on the Co/SiO2 catalyst was studied for F-T reaction. Pd/b could enhance the formation of C4-C9 isoparaffins while the Co/SiO2 catalyst alone gave the products with wide carbon numbers distribution. The reason is the olefins and long-chain normal paraffins
from F-T reaction on Co/SiO2 catalyst form light hydrocarbons containing isoparaffins through the hydrocracking and hydroisomerization on Pd/b. For Co/SiO2+Pd/b catalyst, the selectivity to isoparaffins depends on the contact conditions. The granular hybrid catalyst is much more
selective for isomerization than the powder hybrid catalyst, while the selectivity to CH4, n-paraffins and olefins is lower than that on the powder hybrid catalyst.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | F-T reaction isoparaffins Co/SiO2 Pd/b |
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