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Selective Separation of Methacrylic Acid and Acetic Acid from Aqueous Solution Using Carboxyl-Functionalized Ionic Liquids
Bai, Yinge1,2; Yan, Ruiyi1; Tu, Wenhui1,2; Qian, Jianguo1,2; Gao, Hongshuai1; Zhang, Xiangping1,2; Zhang, Suojiang1,2
2018
发表期刊ACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN2168-0485
卷号6期号:1页码:1215-1224
摘要Five kinds of carboxyl-functionalized quaternary ammonium ionic liquids (ILs), tricaprylmethylammonium succinate ([A336]Suc), tricaprylmethylammonium aspartate ([A336]Asp), tricaprylmethylammonium glutamate ([A336]Glu), tricaprylmethylammonium trifluoroacetate ([A336]TFA), and tricaprylmethylammonium phthalate ([A336]Pha), with strong hydrophobicity and hydrogen bond basicity were used to separate methacrylic acid (MAA) and acetic acid (HAc) from an aqueous solution. [A336]Suc shows better extraction performance than the other ILs because of the stronger hydrogen bonding basicity. Even though HAc shows the antagonistic effect on the extraction of MAA, the selectivity of MAA to HAc is achieved 54.70 for [A336]Suc at the optimized extraction conditions. The molecular mechanism of the extraction by IL is revealed by combining FT-IR and quantum chemical calculations. The results indicate that multiple hydrogen bonds are presented in the IL-acid complex which plays an important role in the acid extraction. Meanwhile, the computational studies demonstrate that the preferential extraction of MAA to HAc by [A336]Suc originated from the difference in the strength of the hydrogen bonding interaction between carboxylate group of ILs and acid.
关键词Ionic Liquid Carboxyl Group Extraction Methacrylic Acid Acetic Acid
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1021/acssuschemeng.7b03516
收录类别SCI
语种英语
关键词[WOS]REACTIVE EXTRACTION ; ELECTRON-DENSITIES ; PROPIONIC-ACID ; AB-INITIO ; BOND ; MIXTURES ; RECOVERY ; BASICITY ; BEHAVIOR ; SOLVENT
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Engineering
WOS类目Chemistry, Multidisciplinary ; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY ; Engineering, Chemical
项目资助者National Key Research and Development Program of China(2017YFA0206803) ; National Natural Science Fund for Distinguished Young Scholars(21425625) ; National Natural Science Foundation of China(21676277 ; 51574215 ; 21436010)
WOS记录号WOS:000419536800128
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24077
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, Key Lab Green Proc & Engn,Inst Proc Engn, 1 North Second St, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
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GB/T 7714
Bai, Yinge,Yan, Ruiyi,Tu, Wenhui,et al. Selective Separation of Methacrylic Acid and Acetic Acid from Aqueous Solution Using Carboxyl-Functionalized Ionic Liquids[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2018,6(1):1215-1224.
APA Bai, Yinge.,Yan, Ruiyi.,Tu, Wenhui.,Qian, Jianguo.,Gao, Hongshuai.,...&Zhang, Suojiang.(2018).Selective Separation of Methacrylic Acid and Acetic Acid from Aqueous Solution Using Carboxyl-Functionalized Ionic Liquids.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,6(1),1215-1224.
MLA Bai, Yinge,et al."Selective Separation of Methacrylic Acid and Acetic Acid from Aqueous Solution Using Carboxyl-Functionalized Ionic Liquids".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 6.1(2018):1215-1224.
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