Conditional Methods in Modeling CO 2 Capture from Coal Syngas

Dmitry N. Saulov, Shuhei Watanabe, Junjun Yin, Dimitri A. Klimenko, Kamel Hooman, Bo Feng, Matthew J. Cleary and Alexander Y. Klimenko
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Dmitry N. Saulov: The School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
Shuhei Watanabe: School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, NSW 2006, Australia
Junjun Yin: The School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
Dimitri A. Klimenko: The School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
Kamel Hooman: The School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
Bo Feng: The School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
Matthew J. Cleary: School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, NSW 2006, Australia
Alexander Y. Klimenko: The School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia

Energies, 2014, vol. 7, issue 4, 1-18

Abstract: Gasification of coal or biomass with in-situ CO 2 capture is an emerging technology aiming to address the problem of climate change. Development of a CO 2 sorbent with desirable properties and understanding the behavior of such a material in carbonation/calcination reactions is an important part of developing the technology. In this paper, we report experimental results describing the carbonation behavior of three synthetic CaO-based sorbents. We also present a physically-based model of the reactive transport processes in sorbent particles, which have complicated pore structures. This modeling is based on the conditional approach ( i. e. , conditional moment closure (CMC)), which has proven to be successful in modeling reactive transport phenomena in porous media. The model predictions are in good agreement with the experimental data.

Keywords: CO 2 capture; synthetic sorbent; conditional moment closure (CMC); porous media (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
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