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学科主题: 物理化学
题名: The Intensification of Rapid Reactions for Multiphase Systems in a Microchannel Reactor by Packing Microparticles
作者: Su, Yuanhai1, 2;  Zhao, Yuchao1;  Jiao, Fengjun1;  Chen, Guangwen1;  Yuan, Quan1
通讯作者: 陈光文
关键词: microchannel ;  mass transfer ;  nitration ;  packed bed ;  multiphase flow ;  dispersion
刊名: AICHE JOURNAL
发表日期: 2011-06-01
DOI: 10.1002/aic.12367
卷: 57, 期:6, 页:1409-1418
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
摘要: The intensification of rapid reactions for multiphase systems in a microchannel reactor by packing microparticles
研究领域[WOS]: Engineering
英文摘要: In this study, the nitration of o-nitrotoluene (NT) with mixed acid as a model fast liquid-liquid multiphase reaction was conducted in the packed and nonpacked microchannel reactors. Better reaction performance could be obtained in the packed microchannel reactor compared with the nonpacked microchannel reactor because of its excellent mass transfer performance. The conversion of NT reached 94% in the packed microchannel reactor even when the reaction time was less than 3 s. A parameter, which represented the coupling of mass transfer and residence time in microdevices, was proposed for explaining and anticipating nitration process in microchannel reactors. In addition, the effects of some operating parameters on reaction performance, such as the composition of mixed acid and reaction temperature, were also investigated experimentally. (C) 2010 American Institute of Chemical Engineers AIChE J, 57: 1409-1418, 2011
关键词[WOS]: LIQUID REACTION REGIME ;  2-PHASE MASS-TRANSFER ;  SULFURIC-ACID ;  NITRIC-ACID ;  MIXED ACID ;  RECTANGULAR MICROCHANNEL ;  AROMATIC NITRATIONS ;  PARTIAL OXIDATION ;  USER ACCEPTANCE ;  PLANT CONCEPTS
语种: 英语
WOS记录号: WOS:000290616500005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115205
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 Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Su, Yuanhai,Zhao, Yuchao,Jiao, Fengjun,et al. The Intensification of Rapid Reactions for Multiphase Systems in a Microchannel Reactor by Packing Microparticles[J]. AICHE JOURNAL,2011,57(6):1409-1418.
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