DBU-Based Protic Ionic Liquids for CO2 Capture

被引：112

作者：

Zhu, Xiao ^{[1
]}

Song, Mengling ^{[1
]}

Xu, Yingjie ^{[2
]}

机构：

[1] Qufu Normal Univ, Sch Chem & Chem Engn, Jingxuan West Rd, Qufu 273165, Peoples R China

[2] Shaoxing Univ, Dept Chem, Huancheng West Rd, Shaoxing 312000, Peoples R China

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2017年 / 5卷 / 09期

基金：

中国国家自然科学基金;

关键词：

DBU; Ionic liquids; CO2; absorption; Substituents; EFFICIENT SYNTHESIS; AQUEOUS-SOLUTIONS; HIGHLY EFFICIENT; ABSORPTION; REDUCTION; CATALYSTS; ACETATE; WATER; ACID; IMIDAZOLIUM;

D O I：

10.1021/acssuschemeng.7b01839

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The applications of the novel anion-functionalized protic ionic liquid (ILs), prepared from superbase 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) with imidazole, in the CO2 absorption have been investigated. It has been detected that this ionic liquid can reversibly capture about 1 mol of CO2 per mole ionic liquid. In addition, the influence of temperature, pressure, water, and substituent of anions has been uncovered. The capture of CO2 was significantly affected by the substituents in imidazole-based anion, suggesting that electric-charge distribution in imidazole ring system can play an important role in determining the reaction of ILs with CO2.

引用

页码：8192 / 8198

页数：7

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