Low Energy CO2 Capture by Electrodialysis

Ikuo Taniguchi, Takahiro Yamada

Research output: Contribution to journalConference article

3 Citations (Scopus)

Abstract

Liquid amine scrubbing has been widely and intensively investigated at demonstration scale to capture CO2 at mass CO2 emission sources, such as thermal power plants and steelworks. However, CO2 regeneration process in a desorber is energy intensive, which limits implementation of this capture technology. Herein we propose an alternative CO2 capture method by electrodialysis. CO2 in a flue gas or blast furnace is trapped in aqueous K2CO3, and the resulting solution is condensed by electrodialysis. The trapped CO2 is finally recovered under vacuum. This technique can significantly reduce the required energy to capture CO2 in comparison to the current technology. Published by Elsevier Ltd.

Original languageEnglish
Pages (from-to)1615-1620
Number of pages6
JournalEnergy Procedia
Volume114
DOIs
Publication statusPublished - Jan 1 2017
Event13th International Conference on Greenhouse Gas Control Technologies, GHGT 2016 - Lausanne, Switzerland
Duration: Nov 14 2016Nov 18 2016

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Electrodialysis
Gas furnaces
Blast furnaces
Flue gases
Amines
Power plants
Demonstrations
Vacuum
Liquids
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

Low Energy CO2 Capture by Electrodialysis. / Taniguchi, Ikuo; Yamada, Takahiro.

In: Energy Procedia, Vol. 114, 01.01.2017, p. 1615-1620.

Research output: Contribution to journalConference article

Taniguchi, Ikuo ; Yamada, Takahiro. / Low Energy CO2 Capture by Electrodialysis. In: Energy Procedia. 2017 ; Vol. 114. pp. 1615-1620.
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