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Numerical simulation of CO2-ionic liquid flow in a stirred tank
Ouyang, Zailong1,2,3,4; Bao, Di1,2,3,4; Zhang, Xin1,2,3,4; Dong, Haifeng1,2,3; Yan, Ruiyi1,2,3; Zhang, Xiangping1,2,3; Zhang, Suojiang1,2,3
2015-12-01
发表期刊SCIENCE CHINA-CHEMISTRY
ISSN1674-7291
卷号58期号:12页码:1918-1928
摘要Ionic liquids (ILs) are new solvents that represent a breakthrough for absorption and conversion of CO2. However, there has been little research on the hydrodynamics of gas-IL systems in stirred tanks, and this has become a bottleneck for development of IL-based reactors. In the present study, a CO2-IL ([bmim][BF4]) flow in a stirred tank was studied using computational fluid dynamics (CFD). A new drag coefficient model that is specific to a gas-ionic liquid system and a population balance model (PBM) were adopted to describe the bubble behavior, such as gas holdup and bubble size evolution, precisely. The predicted results for the total gas holdup and local Sauter diameter agree well with the experimental data. The influences of the gassing rate, agitation speed, and temperature on local gas holdup, bubble size distribution, and interfacial area for the CO2-[bmim][BF4] system were also investigated. The results of this study provide fundamental information for designing gas-IL systems for stirred tanks.
关键词Multiphase Flow Ionic Liquids Carbon Dioxide Stirred Tank Computational Fluid Dynamics Population Balance Model
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11426-015-5446-2
收录类别SCI
语种英语
关键词[WOS]FUNCTIONALIZED IONIC LIQUIDS ; POPULATION BALANCE ; QUADRATURE METHOD ; BUBBLE-SIZE ; CFD SIMULATION ; CARBON CAPTURE ; GAS ; CO2 ; REACTORS ; MOMENTS
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Natural Science Fund for Distinguished Young Scholars(21425625) ; National Natural Science Foundation of China(21436010 ; Beijing Municipal Natural Science Foundation(2141003) ; 21376242)
WOS记录号WOS:000366157500018
引用统计
被引频次:4[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/122111/20149
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
2.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
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Ouyang, Zailong,Bao, Di,Zhang, Xin,et al. Numerical simulation of CO2-ionic liquid flow in a stirred tank[J]. SCIENCE CHINA-CHEMISTRY,2015,58(12):1918-1928.
APA Ouyang, Zailong.,Bao, Di.,Zhang, Xin.,Dong, Haifeng.,Yan, Ruiyi.,...&Zhang, Suojiang.(2015).Numerical simulation of CO2-ionic liquid flow in a stirred tank.SCIENCE CHINA-CHEMISTRY,58(12),1918-1928.
MLA Ouyang, Zailong,et al."Numerical simulation of CO2-ionic liquid flow in a stirred tank".SCIENCE CHINA-CHEMISTRY 58.12(2015):1918-1928.
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