Visual and Raman spectroscopic observations of hot compressed water oxidation of guaiacol in fused silica capillary reactors
Jin, Jiaojiao1; Wang, Junliang1; Shen, Yuan1; Lin, Chunmian1; Pan, Zhiyan1; Chou, I. -Ming2
2014-11-01
发表期刊JOURNAL OF SUPERCRITICAL FLUIDS
卷号95页码:546-552
摘要Using fused silica capillary reactors (FSCRs), we investigated the decomposition of guaiacol during hot compressed water oxidation (HCWO), with H2O2 added in stoichiometric ratios from 100 to 300%. Reactions were performed between 180 and 300 degrees C for durations from 2 to 10 min while the concurrent generation of CO2 during the oxidation process was followed by Raman spectroscopy and the phase behavior of guaiacol in HCW, with or without H2O2, was observed visually under a polarized microscope configured with a heating/cooling stage. We found that complete conversion of guaiacol and 100% yield of CO2 were achieved with a 150% stoichiometric ratio of oxidizer after 10 min at 200 and 300 degrees c, respectively. Based on the global reaction kinetics for the complete conversion of guaiacol to CO2, the reaction is considered to be first order. The activation energy and pre-exponential factor for CO2 formation are 18.62 kJ mol(-1) and 12.81 s(-1) respectively. (C) 2014 Elsevier B.V. All rights reserved.
文章类型Article
关键词Guaiacol Hot Compressed Water Oxidation Raman Spectroscopy Phase Behavior
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.supflu.2014.09.002
收录类别SCI
语种英语
关键词[WOS]SUPERCRITICAL WATER ; FLUID INCLUSIONS ; KINETICS ; LIGNIN ; CO2 ; CHLOROBENZENE ; ADSORPTION ; MIXTURES ; REACTANT ; PHENOLS
WOS类目Chemistry, Physical ; Engineering, Chemical
WOS记录号WOS:000347360800064
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.idsse.ac.cn/handle/183446/756
专题深海科学研究部_深海极端环境模拟研究实验室
作者单位1.Zhejiang Univ Technol, Dept Environm Engn, Hangzhou 310032, Zhejiang, Peoples R China
2.Chinese Acad Sci, Sanyo Inst Deep Sea Sci & Engn, Lab Expt Study Deep Sea Extreme Condit, Sanyo 572000, Peoples R China
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Jin, Jiaojiao,Wang, Junliang,Shen, Yuan,et al. Visual and Raman spectroscopic observations of hot compressed water oxidation of guaiacol in fused silica capillary reactors[J]. JOURNAL OF SUPERCRITICAL FLUIDS,2014,95:546-552.
APA Jin, Jiaojiao,Wang, Junliang,Shen, Yuan,Lin, Chunmian,Pan, Zhiyan,&Chou, I. -Ming.(2014).Visual and Raman spectroscopic observations of hot compressed water oxidation of guaiacol in fused silica capillary reactors.JOURNAL OF SUPERCRITICAL FLUIDS,95,546-552.
MLA Jin, Jiaojiao,et al."Visual and Raman spectroscopic observations of hot compressed water oxidation of guaiacol in fused silica capillary reactors".JOURNAL OF SUPERCRITICAL FLUIDS 95(2014):546-552.
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