Separations

Modeling of CO2 mass transport across a hollow fiber membrane reactor filled with immobilized enzyme

  1. Ya-Tao Zhang1,2,
  2. Xing-Guo Dai1,
  3. Guo-Hua Xu1,
  4. Lin Zhang1,3,*,
  5. Hao-Qin Zhang2,
  6. Jin-Dun Liu2,
  7. Huan-Lin Chen1,3

Article first published online: 5 AUG 2011

DOI: 10.1002/aic.12732

Issue

AIChE Journal

AIChE Journal

Volume 58, Issue 7, pages 2069–2077, July 2012

Additional Information

How to Cite

Zhang, Y.-T., Dai, X.-G., Xu, G.-H., Zhang, L., Zhang, H.-Q., Liu, J.-D. and Chen, H.-L. (2012), Modeling of CO2 mass transport across a hollow fiber membrane reactor filled with immobilized enzyme. AIChE J., 58: 2069–2077. doi: 10.1002/aic.12732

Author Information

  1. 1

    Dept. of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China

  2. 2

    School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, P.R. China

  3. 3

    Engineering Central of Membrane and Water Treatment, MOE, Hangzhou 310027, P.R. China

*Dept. of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P.R. China

Publication History

  1. Issue published online: 7 JUN 2012
  2. Article first published online: 5 AUG 2011
  3. Accepted manuscript online: 8 JUL 2011 03:32PM EST
  4. Manuscript Revised: 20 JUN 2011
  5. Manuscript Received: 9 OCT 2010

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Keywords:

  • gas purification;
  • mass transfer;
  • mathematical modeling;
  • membrane separations

Abstract

The enzyme-based contained liquid membrane reactor to capture CO2 from the closed spaces is a very complicated process with large numbers of interdependent variables. A theoretical and experimental analysis of facilitated transport of CO2 across a hollow fiber membrane reactor filled with immobilized carbonic anhydrase (CA) by nanocomposite hydrogel was presented. CO2 concentration profiles in the feed gas phase and the membrane wall were achieved by numeric simulation. The effects of CO2 concentration, CA concentration, and flow rate of feed gas on CO2 removal performance were studied in detail, and the model solution agrees with the experimental data with a maximum deviation of up to 18.7%. Moreover, the effect of CO2 concentration on the required membrane areas for the same CO2 removal target (1 kg/day) was also investigated. This could provide real-world data and scientific basis for future development toward a final efficient CO2 removal device. © 2011 American Institute of Chemical Engineers AIChE J, 2012

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