Hydrogenation of CO on supported cobalt γ-Al2O3 catalyst in fixed bed and slurry bubble column reactors

Suk-Hwan Kang; Kwang-Jae Woo; Jong Wook Bae; Ki-Won Jun; Yong Kang

Korean Journal of Chemical Engineering, Vol.26, No.6, 1533-1538, November, 2009

DOI10.1007/s11814-009-0260-1 Export Citation

Hydrogenation of CO on supported cobalt γ-Al2O3 catalyst in fixed bed and slurry bubble column reactors

Suk-Hwan Kang, Kwang-Jae Woo, Jong Wook Bae, Ki-Won Jun^†, and Yong Kang¹

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

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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.

Keywords:Fischer-Tropsch Synthesis;Tubular Fixed Bed Reactor;Slurry Bubble Column Reactor;Co Catalyst

[References]

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Deckwer WD, Bubble column reactors, John Wiley & Sons, New York, USA (1992)
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Kim JS, Lee S, Lee SB, Choi MJ, Lee KW, Catal. Today, 115(1-4), 228 (2006)
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Wilkinson PM, van Dierendonck LL, Chem. Eng. Sci., 45, 2309 (1990)

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[1] Wang TF, Wang JF, Jin Y, Ind. Eng. Chem. Res., 46(18), 5824 (2007)

[2] Zhang CH, Yang Y, Teng BT, Li TZ, Zheng HY, Xiang HW, Li YW, J. Catal., 237(2), 405 (2006)

[3] Dry ME, Appl. Catal. A: Gen., 138(2), 319 (1996)

[4] Keith PC, Oil Gas J., 45, 102 (1946)

[5] Garrett Jr. LW, Chem. Eng. Prog., 56, 39 (1960)

[6] Neathery JK, Davis BH, Catal. Today, 84(1-2), 3 (2003)

[7] Krishna R, Sie ST, Fuel Process. Technol., 64(1-3), 73 (2000)

[8] de Deugd RM, Kapteijn F, Moulijn JA, Topics in Catalysis, 26, 160 (2003)

[9] Behkish A, Men ZW, Inga JR, Morsi BI, Chem. Eng. Sci., 57(16), 3307 (2002)

[10] Jager B, Espinoza R, Catal. Today, 23(1), 17 (1995)

[11] Espinoza RL, Jothimurugesan K, Raje AP, Iron-based Fischer-Tropsch catalysts and methods of making and using, US Patent 7,067,562 (2006)

[12] Zhang Y, Jacobs G, Sparks DE, Dry ME, Davis BH, Catal. Today, 71, 441 (2002)

[13] Satterfield CN, Huff Jr. GA, Stenger HG, Carter JL, Madon RJ, Ind. Eng. Chem. Fundam., 24, 450 (1985)

[14] Deckwer WD, Louisi Y, Zaidi A, Ralek M, Ind. Eng. Chem. Process Des. Dev., 19, 699 (1980)

[15] Deckwer WD, Bubble column reactors, John Wiley & Sons, New York, USA (1992)

[16] Raje A, Inga JR, Davis BH, Fuel, 76, 273 (1997)

[17] Kim JS, Lee S, Lee SB, Choi MJ, Lee KW, Catal. Today, 115(1-4), 228 (2006)

[18] Jordan U, Saxena AK, Schumpe A, Can. J. Chem. Eng., 81(3-4), 491 (2003)

[19] Wilkinson PM, van Dierendonck LL, Chem. Eng. Sci., 45, 2309 (1990)