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Feasible ionic liquid-amine hybrid solvents for carbon dioxide capture
Cao, Lingdi1,2; Gao, Jubao1; Zeng, Shaojuan1; Dong, Haifeng1; Gao, Hongshuai1; Zhang, Xiangping1; Huang, Junhua3
2017-11-01
发表期刊INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
ISSN1750-5836
卷号66页码:120-128
摘要

Ionic liquid (IL)-amine hybrid solvents have been proved to be an energy-saving system for CO2 capture. Lack of experimental information on the diffusivity and heat of CO2 absorption in IL-amine hybrid solvents hampers the wide application of IL in CO2 capture. In this work, the effects of IL on absorption rate, solubility, diffusivity and heat of CO2 absorption in feasible hybrids of 1-butyl-3-methyl- imidazolium nitrate ([Bmim][NO3]) and monoethanolamine (MEA) have been elaborated using weight method, vapor liquid equilibrium and calorimetric measurement. The results showed that the addition of IL slightly decreases CO2 loading under atmospheric pressure. Based on the measured solubility and calorimeter results, IL is beneficial to improve the physical absorption of CO2 and reduce the heat of absorption in IL-amine hybrids. The diffusivity of CO2 can be maintained at an acceptable level by controlling the concentration of IL. Considering CO2 capacity, kinetics and heat of absorption, the hybrids of 30% MEA + 10% [Bmim][ NO3]+ 60% H2O were recommended. Our work gives the meaningful insights on designing novel IL-amine hybrids for CO2 capture.

关键词Co2 Capture Ionic Liquids Hybrid Solvents Diffusivity Coefficient Absorption Heat
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ijggc.2017.09.015
收录类别SCI
语种英语
关键词[WOS]Methyldiethanolamine Plus Water ; Aqueous Alkanolamine Solutions ; Pressure Phase-behavior ; Co2 Capture ; N-methyldiethanolamine ; Physical Solubility ; Monoethanolamine Mea ; Imidazolium Nitrate ; Reversible Capture ; Nitrous-oxide
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Environmental
项目资助者National Natural Science Foundation of China(21425625 ; External Cooperation Program of BIC, Chinese Academy of Sciences(GJHZ201306) ; 21506219)
WOS记录号WOS:000414258300011
引用统计
被引频次:1[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/122111/23379
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Monash Univ, Sch Chem, Clayton, Vic 3800, Australia
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GB/T 7714
Cao, Lingdi,Gao, Jubao,Zeng, Shaojuan,et al. Feasible ionic liquid-amine hybrid solvents for carbon dioxide capture[J]. INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL,2017,66:120-128.
APA Cao, Lingdi.,Gao, Jubao.,Zeng, Shaojuan.,Dong, Haifeng.,Gao, Hongshuai.,...&Huang, Junhua.(2017).Feasible ionic liquid-amine hybrid solvents for carbon dioxide capture.INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL,66,120-128.
MLA Cao, Lingdi,et al."Feasible ionic liquid-amine hybrid solvents for carbon dioxide capture".INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL 66(2017):120-128.
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