Research progress of CO<sub>2</sub> fixation mechanism by ionic liquids

GUO Bingsong; ZHOU Zuoming

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Research progress of CO₂ fixation mechanism by ionic liquids

Thermal Power Generation Vol. 43, Issue 5, Pages: 1-6(2014)

更新时间：2025-09-28

- Research progress of CO₂ fixation mechanism by ionic liquids
- 作者机构：
  
  华侨大学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701
- Published：2014
- 稿件说明：
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GUO Bingsong, ZHOU Zuoming. Research progress of CO₂ fixation mechanism by ionic liquids[J]. Thermal Power Generation, 2014, 43(5): 1-6.
DOI：

GUO Bingsong, ZHOU Zuoming. Research progress of CO₂ fixation mechanism by ionic liquids[J]. Thermal Power Generation, 2014, 43(5): 1-6. DOI：

摘要

离子液完全是由特定的阴、阳离子所构成的有机盐

在室温或近于室温下呈液态

通过调整阴阳离子结构或加入功能化基团

可形成具有特定功能、任务专一的吸收剂

其用于CO2固定显示出良好性能。普通离子液主要利用离子间特有的自由空间固定CO2

这种物理吸收过程需要较高的压力

且吸收容量较低;功能化离子液中通过引入碱性功能基团来吸收CO2

提高了离子液对CO2的吸收容量。

Abstract

Ionic liquids(IL)are completely the liquid compounds composed of specific cation and anion existing at or close to room temperature in the liquid state.Ionic liquids have been considered as a kind of potential candidates for CO2capture

on the basis of their unique properties like easy structural modification or functionalization

especially their strong affinity to CO2.In the conventional ILs

CO2is absorbed by occupying the free space between the ions

high pressure is needed in this physical absorption process

and the absorption capacity is relatively low.Functionalized ILs is another good option for CO2absorption

which is a chemical process.Taking into account the chemical interaction of amino with CO2 molecule

introduction of amino-group or other alkaline groups into IL would construct functionalized ionic liquids for the CO2removal.In this paper

the mechanism and research progress of the absorption of CO2by ionic liquid are introduced.Furthermore

the prospect for the development and direction of the ionic liquid CO2fixation is indicated.

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Research progress of CO2 fixation mechanism by ionic liquids

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Research progress of CO₂ fixation mechanism by ionic liquids