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Experimental and kinetic study of the nitration of 2-ethylhexanol in capillary microreactors
Li, Lei1,2; Yao, Chaoqun1; Jiao, Fengjun1; Han, Mei1; Chen, Guangwen1
关键词2-ethylhexanol 2-ethylhexyl Nitrate Nitration Microchannel Reactor Kinetics
刊名CHEMICAL ENGINEERING AND PROCESSING
2017-07-01
DOI10.1016/j.cep.2017.04.005
117页:179-185
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]SULFURIC-ACID ; MASS-TRANSFER ; MIXED ACID ; NITRIC-ACID ; AROMATIC NITRATION ; FLOW ; OPTIMIZATION ; TOLUENE ; NITROBENZENE ; MICROCHANNEL
英文摘要The nitration process of 2-ethylhexanol (2-EH) with mixed acid was studied in different capillary microreactors. The conversion of 2-EH and selectivity to 2-ethylhexyl nitrate (EHN) were investigated by varying reaction temperature, molar ratio of nitrate to 2-EH, residence time and water content in mixed acid. Under optimized conditions, the conversion of 2-EH and selectivity to EHN could be up to 99% in less than 10 seconds, indicating great potential of microreactors in process intensification. Moreover, with an assumption of homogeneous reaction, a kinetic model based on first order kinetics for nitric acid and 2-EH was proposed to determine both the apparent and intrinsic reaction kinetics. By taking into account the activity of solutes that depend on the acidity (M-c), the intrinsic kinetic was obtained, which is independent of the sulfuric acid concentration. The reaction model can well predict the conversion of 2-EH.
语种英语
WOS记录号WOS:000401377600019
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152315
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Li, Lei,Yao, Chaoqun,Jiao, Fengjun,et al. Experimental and kinetic study of the nitration of 2-ethylhexanol in capillary microreactors[J]. CHEMICAL ENGINEERING AND PROCESSING,2017,117:179-185.
APA Li, Lei,Yao, Chaoqun,Jiao, Fengjun,Han, Mei,&Chen, Guangwen.(2017).Experimental and kinetic study of the nitration of 2-ethylhexanol in capillary microreactors.CHEMICAL ENGINEERING AND PROCESSING,117,179-185.
MLA Li, Lei,et al."Experimental and kinetic study of the nitration of 2-ethylhexanol in capillary microreactors".CHEMICAL ENGINEERING AND PROCESSING 117(2017):179-185.
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