SCI和EI收录∣中国化工学会会刊

Chinese Journal of Chemical Engineering ›› 2018, Vol. 26 ›› Issue (11): 2377-2384.doi: 10.1016/j.cjche.2018.04.025

• Special issue of Carbon Capture, Utilisation and Storage • 上一篇    下一篇

Supported ionic liquid sorbents for CO2 capture from simulated flue-gas

Jiajia Ren1, Zheng Li1,2, Yifeng Chen1,2, Zhuhong Yang1, Xiaohua Lu1   

  1. 1 State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China;
    2 Energy Engineering, Division of Energy Science, Lulea University of Technology, Lulea 97187, Sweden
  • 收稿日期:2018-02-05 修回日期:2018-04-24 出版日期:2018-11-28 发布日期:2018-12-10
  • 通讯作者: Zhuhong Yang E-mail:zhhyang@njtech.edu.cn
  • 基金资助:

    Supported by the National Basic Research Program of China (2013CB733503), the National Natural Science Foundation of China (21136001, 21136004, 21476106, 21428601, 21776123), the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP) and the Jiangsu Natural Science Foundation (BK20130062).

Supported ionic liquid sorbents for CO2 capture from simulated flue-gas

Jiajia Ren1, Zheng Li1,2, Yifeng Chen1,2, Zhuhong Yang1, Xiaohua Lu1   

  1. 1 State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China;
    2 Energy Engineering, Division of Energy Science, Lulea University of Technology, Lulea 97187, Sweden
  • Received:2018-02-05 Revised:2018-04-24 Online:2018-11-28 Published:2018-12-10
  • Contact: Zhuhong Yang E-mail:zhhyang@njtech.edu.cn
  • Supported by:

    Supported by the National Basic Research Program of China (2013CB733503), the National Natural Science Foundation of China (21136001, 21136004, 21476106, 21428601, 21776123), the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP) and the Jiangsu Natural Science Foundation (BK20130062).

摘要: Supported ionic liquid (IL) sorbents for CO2 capture were prepared by impregnating tetramethylammonium glycinate ([N1111] [Gly]) into four types of porous materials in this study. The CO2 adsorption behavior was investigated in a thermogravimetric analyzer (TGA). Among them, poly(methyl methacrylate) (PMMA)-[N1111] [Gly] exhibits the best CO2 adsorption properties in terms of adsorption capacity and rate. The CO2 adsorption capacity reaches up to 2.14 mmol·g-1 sorbent at 35℃. The fast CO2 adsorption rate of PMMA-[N1111] [Gly] allows 60 min of adsorption equilibrium time at 35℃ and much shorter time of 4 min is achieved at 75℃. Further, Avrami's fractional-order kinetic model was used and fitted well with the experiment data, which shows good consistency between experimental results and theoretical model. In addition, PMMA-[N1111] [Gly] remained excellent durability in the continuous adsorption-desorption cycling test. Therefore, this stable PMMA-[N1111] [Gly] sorbent has great potential to be used for fast CO2 adsorption from flue-gas.

关键词: CO2 adsorption, Amino acid ionic liquid, Supported ionic liquid sorbent, Adsorption kinetics

Abstract: Supported ionic liquid (IL) sorbents for CO2 capture were prepared by impregnating tetramethylammonium glycinate ([N1111] [Gly]) into four types of porous materials in this study. The CO2 adsorption behavior was investigated in a thermogravimetric analyzer (TGA). Among them, poly(methyl methacrylate) (PMMA)-[N1111] [Gly] exhibits the best CO2 adsorption properties in terms of adsorption capacity and rate. The CO2 adsorption capacity reaches up to 2.14 mmol·g-1 sorbent at 35℃. The fast CO2 adsorption rate of PMMA-[N1111] [Gly] allows 60 min of adsorption equilibrium time at 35℃ and much shorter time of 4 min is achieved at 75℃. Further, Avrami's fractional-order kinetic model was used and fitted well with the experiment data, which shows good consistency between experimental results and theoretical model. In addition, PMMA-[N1111] [Gly] remained excellent durability in the continuous adsorption-desorption cycling test. Therefore, this stable PMMA-[N1111] [Gly] sorbent has great potential to be used for fast CO2 adsorption from flue-gas.

Key words: CO2 adsorption, Amino acid ionic liquid, Supported ionic liquid sorbent, Adsorption kinetics