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Liquid-liquid two-phase mass transfer in the T-junction microchannels
Zhao, Yuchao; Chen, Guangwen; Yuan, Quan; Chen GW(陈光文); Chen GW(陈光文)
关键词Micromixer Immiscible Fluids Microreactor Microfluidic Mass Transfer Coefficients
刊名AICHE JOURNAL
2007-12-01
DOI10.1002/aic.11333
53期:12页:3042-3053
收录类别SCI
文章类型Article
部门归属9
项目归属903
产权排名1;1
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]MONOLITHIC CATALYST REACTOR ; TAYLOR FLOW ; IMPINGING-JETS ; GAS ; EXTRACTION ; TEE ; CAPILLARY ; DEVICE ; MIXERS
英文摘要In this work, the mass transfer characteristics of immiscible fluids in the two kinds of stainless steel T-junction microchannels, the opposing-flow and the cross-flow T-junction, are investigated experimentally. Water-succinic acid-n-butanol is chosen as a typical example of liquid-liquid two-phase mass transfer process. In our experiments, the mixture velocities of the immiscible liquid-liquid two phases are varied in the range from 0.01 to 2.5 m/s for the 0.4 mm microchannel and from 0.005 to 2.0 m/s for the 0.6 mm microchannel, respectively. The Reynolds numbers of the two-phase mixture vary between 19 and 650. The overall volumetric mass transfer coefficients are determined quantitatively in a single microchannel, and their values are in the ranges of 0.067-17.35 s(-1), which are two or three orders of magnitude higher than those of conventional liquid-liquid contactors. In addition, the effects of the inlet configurations, the fluids inlet locations, the height and the length of the mixing channel, the volumetric flux ratio have been investigated. Empirical correlations to predict the volumetric mass transfer coefficients based on the experimental data are developed. (c) 2007 American Institute of Chemical Engineers AIChE J, 53:3042-3053, 2007.
语种英语
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WOS记录号WOS:000251200400003
引用统计
被引频次:109[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/99315
专题中国科学院大连化学物理研究所
通讯作者Chen GW(陈光文); Chen GW(陈光文)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhao, Yuchao,Chen, Guangwen,Yuan, Quan,et al. Liquid-liquid two-phase mass transfer in the T-junction microchannels[J]. AICHE JOURNAL,2007,53(12):3042-3053.
APA Zhao, Yuchao,Chen, Guangwen,Yuan, Quan,陈光文,&陈光文.(2007).Liquid-liquid two-phase mass transfer in the T-junction microchannels.AICHE JOURNAL,53(12),3042-3053.
MLA Zhao, Yuchao,et al."Liquid-liquid two-phase mass transfer in the T-junction microchannels".AICHE JOURNAL 53.12(2007):3042-3053.
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