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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
Source PublicationJOURNAL OF SUPERCRITICAL FLUIDS
Volume95Pages:546-552
AbstractUsing 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.
SubtypeArticle
KeywordGuaiacol Hot Compressed Water Oxidation Raman Spectroscopy Phase Behavior
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.supflu.2014.09.002
Indexed BySCI
Language英语
WOS KeywordSUPERCRITICAL WATER ; FLUID INCLUSIONS ; KINETICS ; LIGNIN ; CO2 ; CHLOROBENZENE ; ADSORPTION ; MIXTURES ; REACTANT ; PHENOLS
WOS SubjectChemistry, Physical ; Engineering, Chemical
WOS IDWOS:000347360800064
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.idsse.ac.cn/handle/183446/756
Collection深海科学研究部_深海极端环境模拟研究实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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