Absorption performance of CO<sub>2</sub> in amino-functionalized task-specific ionic liquids

ZHANG Hui; ZHANG Hongmei; SHEN Jinyou; WANG Lianjun

doi:10.11949/j.issn.0438-1157.20160729

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Absorption performance of CO₂ in amino-functionalized task-specific ionic liquids

更新时间：2025-11-26

- Absorption performance of CO₂ in amino-functionalized task-specific ionic liquids
- CIESC Journal Issue 12, Pages: 5057-5065(2016)
- 作者机构：
  
  1. 南京信息工程大学江苏省大气环境与装备技术协同创新中心, 江苏省大气环境监测与污染控制高技术研究重点实验室,江苏,南京,210044
  2. 南京理工大学环境与生物工程学院,江苏,南京,210094
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160729
  CLC： 511
- Online First：05 December 2016，
  
  Published：05 December 2016
- 稿件说明：
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ZHANG Hui, ZHANG Hongmei, SHEN Jinyou, et al. Absorption performance of CO₂ in amino-functionalized task-specific ionic liquids[J]. CIESC Journal, 2016, (12): 5057-5065. DOI: 10.11949/j.issn.0438-1157.20160729.
DOI：

ZHANG Hui, ZHANG Hongmei, SHEN Jinyou, et al. Absorption performance of CO₂ in amino-functionalized task-specific ionic liquids[J]. CIESC Journal, 2016, (12): 5057-5065. DOI: 10.11949/j.issn.0438-1157.20160729. DOI：

摘要

氨基功能型离子液体在常温常压下对CO2具有较强的吸收选择性能，在分离固定CO2方面具有较好的应用前景。合成了4种氨基功能型离子液体，对产物进行了IR和1H NMR表征，探究了这些功能型离子液体的CO2吸收性能及再生性能。结果表明，4种氨基功能型离子液体均具有强于常规型离子液体的CO2吸收性能，再生性能良好，可循环使用；离子液体的CO2溶解度受黏度影响显著，随吸收温度的升高而降低，随吸收压力的升高，吸收剂浓度的增加而增大；强化传质能提高再生效率，多次的再生对离子液体的吸收性能没有明显影响。

Abstract

Amino-functionalized task-specific ionic liquids are thought to have good application prospects in terms of CO2 fixation and separation

due to their strong CO2 absorption with selectivity under ambient conditions. In this study

four task-specific ionic liquids were synthesized

with their structures and properties characterized by IR

1H NMR. The performances of these four task-specific ionic liquids in terms of CO2 absorption and regeneration were investigated. It was found that these four task-specific ionic liquids are supervisor to traditional ionic liquids in terms of CO2 absorption. In addition

these four task-specific ionic liquids showed excellent regeneration performance

which indicated that they could be reused for CO2 absorption. The solubility of CO2 in ionic liquids was affected significantly by the viscosity

decreased by increasing the temperature

increased by increasing the pressure and absorbent concentration. Enhanced mass transfer can improve the regeneration efficiency. However

no significant effect on the absorption properties of ionic liquids was observed after multiple regenerations.

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Absorption performance of CO2 in amino-functionalized task-specific ionic liquids

DOI：10.11949/j.issn.0438-1157.20160729

摘要

Abstract

关键词

Keywords

references

Absorption performance of CO₂ in amino-functionalized task-specific ionic liquids