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Received January 2, 2009
Accepted April 14, 2009
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Hydrogenation of CO on supported cobalt γ-Al2O3 catalyst in fixed bed and slurry bubble column reactors
Petroleum Displacement Technology Research Center, Korea Research Institute of Chemical Technology (KRICT), P.O. BOX 107, Yuseong, Daejeon 305-600, Korea 1School of Chemical Engineering, Chungnam National University, 220 Gung-dong, Yusung-gu, Daejeon 305-764, Korea
kwjun@krict.re.kr
Korean Journal of Chemical Engineering, November 2009, 26(6), 1533-1538(6), 10.1007/s11814-009-0260-1
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Abstract
Fischer-Tropsch synthesis for the production of C5+ hydrocarbons from syngas was carried out in a tubular fixed bed reactor (TFBR) and in a slurry bubble column reactor (SBCR). The Co-based catalysts for FTS were prepared by the conventional wet-impregnation of γ-Al2O3. Effects of operating conditions such as GHSV (1,000-4,000 ml/g·hr), reaction temperature (220-250 ℃) and pressure (0.5-3.0MPa) on the CO conversion and product selectivity of Co/γ-Al2O3 catalyst were examined in the TFBR and SBCR. The C5+ selectivity and olefin selectivity in an SBCR were found to be higher than that in a TFBR, whereas C2-C4 selectivity showed a reverse trend. The CO conversion and product distribution in an SBCR were less sensitive than that in a TFBR with variations of reaction conditions.
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