NEGATIVE SYNERGISTIC EFFECT OF AMINO IONIC LIQUID SUPPORTED ACTIVATED CARBON ON CO<sub>2</sub> ADSORPTION PERFORMANCE

PEI Jianlu; WANG Kunjun; CHEN Xin; LI Xiaochen; LI Yuan; TIAN Lintao; LI Yongguo

doi:10.13205/j.hjgc.202211011

Volume 40 Issue 11

Nov. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(11): 78-83

PEI Jianlu, WANG Kunjun, CHEN Xin, LI Xiaochen, LI Yuan, TIAN Lintao, LI Yongguo. NEGATIVE SYNERGISTIC EFFECT OF AMINO IONIC LIQUID SUPPORTED ACTIVATED CARBON ON CO2 ADSORPTION PERFORMANCE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(11): 78-83. doi: 10.13205/j.hjgc.202211011

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PEI Jianlu, WANG Kunjun, CHEN Xin, LI Xiaochen, LI Yuan, TIAN Lintao, LI Yongguo. NEGATIVE SYNERGISTIC EFFECT OF AMINO IONIC LIQUID SUPPORTED ACTIVATED CARBON ON CO₂ ADSORPTION PERFORMANCE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(11): 78-83. doi: 10.13205/j.hjgc.202211011

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NEGATIVE SYNERGISTIC EFFECT OF AMINO IONIC LIQUID SUPPORTED ACTIVATED CARBON ON CO₂ ADSORPTION PERFORMANCE

doi: 10.13205/j.hjgc.202211011

China Institute for Radiation Protection, Taiyuan 030006, China

Received Date: 2021-12-14
Available Online: 2023-03-24

Abstract

Abstract

[TETA] [L] ionic liquid was synthesized by the acid-base neutralization reaction of triethylenetetramine and L-lactic acid, and different mass fractions of ionic liquid were loaded into coconut shell activated carbon. The effects of ionic liquid impregnation on the microstructure and CO₂ adsorption performance of coconut shell activated carbon were investigated by FTIR, XRD and automatic specific surface and pore size distribution analyzer. The results showed that the interaction between ionic liquid and activated carbon led to the fine crystallization of graphitized microcrystals, which adversely affected the structural stability of activated carbon, while the "plugging" filling of the pore structure of coconut shell activated carbon by ionic liquid led to the significant decrease of CO₂ physical adsorption performance, and limited the increase of CO₂ chemisorption performance of the composite, which was the root cause of the significant decrease in the total CO₂ absorption performance of the composite. And ionic liquid in activated carbon showed a "step" filling behavior from small pore size to large pore size.
- negative synergistic effect,
- CO₂ adsorption,
- ionic liquid,
- chemical adsorption

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References(19)

References

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