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题名: Intensification of Liquid-Liquid Two-Phase Mass Transfer by Gas Agitation in a Microchannel
作者: Su, Yuanhai2, 3;  Chen, Guangwen1, 2;  Zhao, Yuchao1, 2;  Yuan, Quan1, 2
通讯作者: 陈光文
关键词: micromixing ;  microchannel ;  gas agitation ;  microreactor ;  interfacial area
刊名: AICHE JOURNAL
发表日期: 2009-08-01
DOI: 10.1002/aic.11787
卷: 55, 期:8, 页:1948-1958
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
英文摘要: In this experiment, the inert gas is used to agitate two immiscible fluids in microchannels. The mass transfer performances with or without gas agitation are investigated. 30% TBP (in kerosene)-acetic acid-water is chosen as testing system. and nitrogen as agitating gas. The superficial velocities of the immiscible liquid-liquid two phases and gas phase are varied in the range from 0.02 to 1.2 m/s, and 0 to 3.0 m/s. respectively. In microchannels, with enough gas agitating intensity. high dispersion between two immiscible liquid phases can be obtained. The overall volumetric mean mass transfer coefficients are two-folds higher than those without gas agitating, which are in the range of 3.8-30.6 s(-1). Some parameters which impact on the mass transfer process, such as the mixture superficial velocity of the immiscible liquid-liquid two phases, the gas superficial velocity, the microchannel structure, the gas inlet locations and the sampling time are experimentally investigated. (C) 2009 American Institute of Chemical Engineers AIChE J, 55: 1948-1958, 2009
关键词[WOS]: MICROFLUIDIC SYNTHESIS ;  RECTANGULAR MICROCHANNEL ;  SOLVENT-EXTRACTION ;  COLLOIDAL SILICA ;  FLOW PATTERNS ;  KINETICS ;  DROPLETS ;  MICROMIXER ;  REACTORS ;  SYSTEM
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000268413800005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101765
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Su, Yuanhai,Chen, Guangwen,Zhao, Yuchao,et al. Intensification of Liquid-Liquid Two-Phase Mass Transfer by Gas Agitation in a Microchannel[J]. AICHE JOURNAL,2009,55(8):1948-1958.
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