Synthesis and identification of functional ionic liquids and research on its performance of CO<sub>2</sub> absorption

LIU Weiwei1; HU Song1; CHEN Wen2; XIANG Jun1; SUN Lushi1; SU Sheng1

doi:10.3969/j.issn.0438-1157.2012.01.020

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Synthesis and identification of functional ionic liquids and research on its performance of CO₂ absorption

更新时间：2025-12-10

- Synthesis and identification of functional ionic liquids and research on its performance of CO₂ absorption
- CIESC Journal Issue 1, Pages: 139-145(2012)
- 作者机构：
  
  1. 1华中科技大学煤燃烧国家重点实验室
  2. 湖北汉新发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.01.020
  CLC：
- Online First：05 January 2012，
  
  Published：05 January 2012
- 稿件说明：
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LIU Weiwei1, HU Song1, CHEN Wen2, et al. Synthesis and identification of functional ionic liquids and research on its performance of CO₂ absorption[J]. CIESC Journal, 2012, (1): 139-145. DOI: 10.3969/j.issn.0438-1157.2012.01.020.
DOI：

LIU Weiwei1, HU Song1, CHEN Wen2, et al. Synthesis and identification of functional ionic liquids and research on its performance of CO₂ absorption[J]. CIESC Journal, 2012, (1): 139-145. DOI: 10.3969/j.issn.0438-1157.2012.01.020. DOI：

摘要

合成了两种传统型离子液体［bmim］BF4和［emim］BF4及含有胺基和羟基的功能型离子液体［NH2P-mim］Br、［NH2-e-mim］BF4、［OH-e-mim］Br

并对合成的离子液体进行IR和1H NMR表征。常温常压条件下

对所合成的离子液体开展CO2吸收性能实验

发现胺基改性离子液体［NH2P-mim］Br、［NH2-e-mim］BF4和羟基改性离子液体［OH-e-mim］Br的CO2饱和吸收量分别是常规离子液体的3～9倍和1～2倍

且含有乙基官能团的离子液体吸收平衡时间普遍较短。最终探讨了温度、CO2分压等对功能型离子液体吸收CO2过程的影响。

Abstract

Two kinds of traditional ionic liquids（［bmim］BF4

［emim］BF4） and three kinds of functional ionic liquids containing amino group and hydroxy group（［NH2P-mim］Br

［NH2-e-mim］BF4

［OH-e-mim］Br） were synthesized.IR

1H NMR were used to determine the structures and properties of these ionic liquids.CO2 adsorptive experiments were made in a laboratory bench-scale system with the ionic liquids at atmosphere pressure and room temperature to determine the parameters of the CO2 saturated adsorption and its adsorptive balance time.Comparing the differences of CO2 adsorptive performance with the functional and traditional ionic liquids

it was found that CO2 saturated adsorption capabilities of the functional ionic liquids with amino group（［NH2P-mim］Br

［NH2-e-mim］BF4） and hydroxyl group(［OH-e-mim］Br) were 3—9 times and 1—2 times greater than the unmodified ionic liquid respectively

the functional ionic liquids containing ethyl functional groups always had shorter adsorption balance time.Finally

the influence of the temperature and CO2 partial pressure on the process of functional ionic liquid adsorption of CO2 was discussed.

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Synthesis and identification of functional ionic liquids and research on its performance of CO2 absorption

DOI：10.3969/j.issn.0438-1157.2012.01.020

摘要

Abstract

关键词

Keywords

references

Synthesis and identification of functional ionic liquids and research on its performance of CO₂ absorption