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题名: A high throughput methodology for continuous preparation of monodispersed nanocrystals in microfluidic reactors
作者: Ying, Ying1, 2;  Chen, Guangwen1;  Zhao, Yuchao1, 2;  Li, Shulian1;  Yuan, Quan1
通讯作者: 陈光文
关键词: microreactor ;  microchannel ;  nanoparticle ;  micromixer ;  barium sulfate ;  boehmite
刊名: CHEMICAL ENGINEERING JOURNAL
发表日期: 2008-02-01
DOI: 10.1016/j.cej.2007.03.009
卷: 135, 期:3, 页:209-215
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, Environmental ;  Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: T-type microchannel reactors were used to prepare monodispersed nanocrystals of barium sulfate and boehmite. The size of barium sulfate is strongly dependent on the velocity of the reactants in the channel. High velocity is beneficial for producing small particles. The concentration of reactants also affects the size. Boehmite was prepared by neutralization of NaAlO2 and Al-2(SO4)(3). Changing the proportion of NaAlO2 and Al-2(SO4)(3) will lead to different pH values which determine the phase of alumina. High efficiency of micromixing is the key factor of the purity of the alumina morphology. Na2CO3 was used to adjust pH at given value during aging process. Aging is indispensable for the amorphous alumina to crystallize to boehmite. Raising the age temperature would reduce the time the crystallization need. The morphology and purity were characterized by powder X-ray diffraction (XRD) and transmission electron microscopy (TEM). (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: CDSE NANOCRYSTALS ;  MICROCHANNEL REACTOR ;  REACTION SYSTEM ;  NANOPARTICLES ;  FLOW ;  SIZE ;  PRECIPITATION ;  PSEUDOBOEHMITE ;  COMPOSITE ;  GROWTH
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000252502900007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101219
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 116023, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Ying, Ying,Chen, Guangwen,Zhao, Yuchao,et al. A high throughput methodology for continuous preparation of monodispersed nanocrystals in microfluidic reactors[J]. CHEMICAL ENGINEERING JOURNAL,2008,135(3):209-215.
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