A new recovery process of carbon dioxide from alkaline carbonate solution via electrodialysis

Hiroki Nagasawa; Akihiro Yamasaki; Atsushi Iizuka; Kazukiyo Kumagai; Yukio Yanagisawa

doi:10.1002/aic.11907

A new recovery process of carbon dioxide from alkaline carbonate solution via electrodialysis

Hiroki Nagasawa, Akihiro Yamasaki, Atsushi Iizuka, Kazukiyo Kumagai, Yukio Yanagisawa

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

Bipolar membrane electrodialysis is applied to CO₂ recovery from alkaline carbonate solution. CO₂ in flue gas is captured by an alkaline hydroxide absorbing solution to form an alkaline carbonate solution. The captured CO₂ is recovered from the alkaline carbonate solution via bipolar membrane electrodialysis, and the alkaline solution is regenerated simultaneously. To reduce the power requirement for CO₂ recovery, this study considers optimal design and operation. Three membrane arrangements were compared, and the results indicate the membrane arrangement comprising a bipolar membrane and cation exchange membrane is the most energy saving. With further optimization of operation conditions, the minimum power requirement for CO₂ recovery was reduced to 2.1 MJ/kg-CO₂ (or 2.1 GJ/t-CO₂).

Original language	English
Pages (from-to)	3286-3293
Number of pages	8
Journal	AIChE Journal
Volume	55
Issue number	12
DOIs	https://doi.org/10.1002/aic.11907
Publication status	Published - 2009 Dec 1
Externally published	Yes

Keywords

Bipolar membrane electrodialysis
CCS
CO capture

ASJC Scopus subject areas

Biotechnology
Environmental Engineering
Chemical Engineering(all)

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10.1002/aic.11907

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abstract = "Bipolar membrane electrodialysis is applied to CO2 recovery from alkaline carbonate solution. CO2 in flue gas is captured by an alkaline hydroxide absorbing solution to form an alkaline carbonate solution. The captured CO2 is recovered from the alkaline carbonate solution via bipolar membrane electrodialysis, and the alkaline solution is regenerated simultaneously. To reduce the power requirement for CO2 recovery, this study considers optimal design and operation. Three membrane arrangements were compared, and the results indicate the membrane arrangement comprising a bipolar membrane and cation exchange membrane is the most energy saving. With further optimization of operation conditions, the minimum power requirement for CO2 recovery was reduced to 2.1 MJ/kg-CO2 (or 2.1 GJ/t-CO2).",

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AU - Nagasawa, Hiroki

AU - Yamasaki, Akihiro

AU - Iizuka, Atsushi

AU - Kumagai, Kazukiyo

AU - Yanagisawa, Yukio

PY - 2009/12/1

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N2 - Bipolar membrane electrodialysis is applied to CO2 recovery from alkaline carbonate solution. CO2 in flue gas is captured by an alkaline hydroxide absorbing solution to form an alkaline carbonate solution. The captured CO2 is recovered from the alkaline carbonate solution via bipolar membrane electrodialysis, and the alkaline solution is regenerated simultaneously. To reduce the power requirement for CO2 recovery, this study considers optimal design and operation. Three membrane arrangements were compared, and the results indicate the membrane arrangement comprising a bipolar membrane and cation exchange membrane is the most energy saving. With further optimization of operation conditions, the minimum power requirement for CO2 recovery was reduced to 2.1 MJ/kg-CO2 (or 2.1 GJ/t-CO2).

AB - Bipolar membrane electrodialysis is applied to CO2 recovery from alkaline carbonate solution. CO2 in flue gas is captured by an alkaline hydroxide absorbing solution to form an alkaline carbonate solution. The captured CO2 is recovered from the alkaline carbonate solution via bipolar membrane electrodialysis, and the alkaline solution is regenerated simultaneously. To reduce the power requirement for CO2 recovery, this study considers optimal design and operation. Three membrane arrangements were compared, and the results indicate the membrane arrangement comprising a bipolar membrane and cation exchange membrane is the most energy saving. With further optimization of operation conditions, the minimum power requirement for CO2 recovery was reduced to 2.1 MJ/kg-CO2 (or 2.1 GJ/t-CO2).

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