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Water gas shift reaction in a catalytic bubbling fluidized bed reactor

  • Polymer, Industrial Chemistry
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Abstract

The water gas shift reaction in a catalytic bubbling fluidized bed reactor was investigated by using simulated syngas (40% H2, 40% CO and 20% CO2) for the pre-combustion CO2 capture and hydrogen production application. A commercial low temperature shift (LTS) catalyst with particle sizes of 200-300 μm was used to investigate the promotion effect by exchanging the fixed bed reaction with the fluidized bed reactor. The effects of the reactor temperature (180-400 °C), space velocity (800-4,800 cm3/h·g), and steam/CO ratio (1.0-2.5) on the CO conversion and syngas composition were determined, and the highest CO conversion was 86.8% at 300 °C with the LTS catalyst at a space velocity of 800 cm3/h·g and steam/CO ratio of 2.5. The experiments exhibited an improvement in activity and a conversion reached that given by equilibrium at temperatures over 300 °C. Also, the performance was much improved than that when a fixed bed system was used.

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Authors and Affiliations

  1. Department of Mineral Resources & Energy Engineering, Chonbuk National University, Jeonju, Jeonbuk, 54896, Korea

    See Hoon Lee, Sang Tae Park, Roosse Lee, Jong Ha Hwang & Jung Min Sohn

Authors
  1. See Hoon Lee
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  2. Sang Tae Park
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  3. Roosse Lee
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  4. Jong Ha Hwang
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  5. Jung Min Sohn
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Corresponding author

Correspondence to Jung Min Sohn.

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This article is dedicated to Prof. Seong Ihl Woo on the occasion of his retirement from KAIST.

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Lee, S.H., Park, S.T., Lee, R. et al. Water gas shift reaction in a catalytic bubbling fluidized bed reactor. Korean J. Chem. Eng. 33, 3523–3528 (2016). https://doi.org/10.1007/s11814-016-0208-1

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  • DOI: https://doi.org/10.1007/s11814-016-0208-1

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