Membrane heat exchanger for novel heat recovery in carbon capture

Shuiping Yan, Qiufang Cui, Te Tu, Liqiang Xu, Qingyao He, Paul H. M. Feron, Shuaifei Zhao

Research output: Contribution to journalArticleResearchpeer-review

Abstract

In this work, we experimentally demonstrate a commercial ceramic membrane heat exchanger (CMHE) with an average pore size of 4 nm for novel heat recovery in post-combustion carbon capture. The CMHE shows superior performance over a conventional stainless steel heat exchanger (SSHE) with the same dimensions in recovering heat from the stripped gas mixture (H2O(g)/CO2) on top of the stripper in a monoethanolamine-based rich-split carbon capture process. Due to the coupled mass and heat transfers of water vapor through the membrane, the CMHE has higher heat flux, heat recovery and overall heat transfer coefficient than the SSHE. Liquid water transfer dominates the mass transfer mechanism in the CMHE. Thermal conduction contributes to more than 80% of the total heat transfer, dominating the heat transfer through the membrane heat exchanger. Our study demonstrates that membrane heat exchangers can be excellent candidates for heat recovery in post-combustion carbon capture. In further research, more types of membranes with higher thermal conductivities (e.g., porous metal membranes with lower porosity and smaller thickness) should be fabricated and tested for further performance enhancement.

LanguageEnglish
Pages60-68
Number of pages9
JournalJournal of Membrane Science
Volume577
DOIs
Publication statusPublished - 1 May 2019

Fingerprint

Carbon capture
Waste heat utilization
heat exchangers
Heat exchangers
Carbon
Hot Temperature
recovery
membranes
Membranes
Ceramic membranes
heat
carbon
ceramics
Stainless Steel
Heat transfer
heat transfer
Ceramics
mass transfer
Mass transfer
Stainless steel

Keywords

  • Carbon capture
  • Heat exchanger
  • Heat recovery
  • Membrane condenser
  • Membrane heat exchanger

Cite this

Yan, S., Cui, Q., Tu, T., Xu, L., He, Q., Feron, P. H. M., & Zhao, S. (2019). Membrane heat exchanger for novel heat recovery in carbon capture. Journal of Membrane Science, 577, 60-68. https://doi.org/10.1016/j.memsci.2019.01.049
Yan, Shuiping ; Cui, Qiufang ; Tu, Te ; Xu, Liqiang ; He, Qingyao ; Feron, Paul H. M. ; Zhao, Shuaifei. / Membrane heat exchanger for novel heat recovery in carbon capture. In: Journal of Membrane Science. 2019 ; Vol. 577. pp. 60-68.
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Yan, S, Cui, Q, Tu, T, Xu, L, He, Q, Feron, PHM & Zhao, S 2019, 'Membrane heat exchanger for novel heat recovery in carbon capture', Journal of Membrane Science, vol. 577, pp. 60-68. https://doi.org/10.1016/j.memsci.2019.01.049

Membrane heat exchanger for novel heat recovery in carbon capture. / Yan, Shuiping; Cui, Qiufang; Tu, Te; Xu, Liqiang; He, Qingyao; Feron, Paul H. M.; Zhao, Shuaifei.

In: Journal of Membrane Science, Vol. 577, 01.05.2019, p. 60-68.

Research output: Contribution to journalArticleResearchpeer-review

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