Why does 2-(2-aminoethylamino)ethanol have superior CO2 separation performance to monoethanolamine? A computational study

Daiki Aso; Yuuichi Orimoto; Makoto Higashino; Ikuo Taniguchi; Yuriko Aoki

doi:10.1039/D2CP01136K

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Why does 2-(2-aminoethylamino)ethanol have superior CO₂ separation performance to monoethanolamine? A computational study†

Daiki Aso,^a Yuuichi Orimoto,^b Makoto Higashino,^c Ikuo Taniguchi^d and Yuriko Aoki

*^b

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* Corresponding authors

^a Department of Molecular and Material Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Park, Fukuoka 816-8580, Japan
E-mail: daiki.aso.736@s.kyushu-u.ac.jp

^b Department of Advanced Materials Science and Engineering, Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga-Park, Fukuoka 816-8580, Japan
E-mail: orimoto.yuuichi.888@m.kyushu-u.ac.jp, aoki.yuriko.397@m.kyushu-u.ac.jp

^c Department of Civil and Environmental Engineering, National Institute of Technology, Oita College, 1666 Maki, Oita 870-0152, Japan
E-mail: higasino@oita-ct.ac.jp

^d International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: ikuot@i2cner.kyushu-u.ac.jp

Abstract

Our computational reaction analysis shows that 2-(2-aminoethylamino)ethanol (AEEA) has superior performance to monoethanolamine for CO₂ separation, in terms of its ability to sorb CO₂ by its primary amine and desorb CO₂ by its secondary amine.

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Article information

DOI: https://doi.org/10.1039/D2CP01136K
Article type: Communication
Submitted: 08 Mar 2022
Accepted: 25 May 2022
First published: 25 May 2022

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Phys. Chem. Chem. Phys., 2022,24, 14172-14176

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Why does 2-(2-aminoethylamino)ethanol have superior CO₂ separation performance to monoethanolamine? A computational study

D. Aso, Y. Orimoto, M. Higashino, I. Taniguchi and Y. Aoki, Phys. Chem. Chem. Phys., 2022, 24, 14172 DOI: 10.1039/D2CP01136K

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