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Macro-kinetics of biphasic hydroformylation of 1-dodecene catalyzed by water-soluble rhodium complex
Alternative TitleCatal. Today
Zhang, YQ; Mao, ZS; Chen, TY
2002-05-15
Source PublicationCATALYSIS TODAY
ISSN0920-5861
Volume74Issue:1-2Pages:23-35
AbstractHydroformylation of 1-dodecene was studied in a biphasic system using water-soluble rhodium complex, RhCl(CO) (TPPTS)(2) (TPPTS: P(m-C6H4SO3Na)(3)), as catalyst in the presence of cetyl trimethyl ammonium bromide (CTAB) as surfactant to enhance the reaction rate. The reaction was carried out in a batch reactor at pressures from 0.9 to 1.3 MPa and temperatures froth 353 to 373 K. An orthogonal experimental design was adopted to study the effects of operating variables on reaction rate, selectivity and normal/isomeric aldehyde ratio. The optimal reaction conditions were derived by margin and variance analyses. The analysis of mass transfer indicates that in some cases the gas-liquid mass transfer rate is still a controlling factor. An empirical kinetic equation was developed after correcting the effect of mass transfer. Combining mechanisms of homogeneous hydroformylation with interfacial reaction of biphasic hydroformylation, a semi-empirical kinetic equation was also obtained. (C) 2002 Elsevier Science B.V All rights reserved.; Hydroformylation of 1-dodecene was studied in a biphasic system using water-soluble rhodium complex, RhCl(CO) (TPPTS)(2) (TPPTS: P(m-C6H4SO3Na)(3)), as catalyst in the presence of cetyl trimethyl ammonium bromide (CTAB) as surfactant to enhance the reaction rate. The reaction was carried out in a batch reactor at pressures from 0.9 to 1.3 MPa and temperatures froth 353 to 373 K. An orthogonal experimental design was adopted to study the effects of operating variables on reaction rate, selectivity and normal/isomeric aldehyde ratio. The optimal reaction conditions were derived by margin and variance analyses. The analysis of mass transfer indicates that in some cases the gas-liquid mass transfer rate is still a controlling factor. An empirical kinetic equation was developed after correcting the effect of mass transfer. Combining mechanisms of homogeneous hydroformylation with interfacial reaction of biphasic hydroformylation, a semi-empirical kinetic equation was also obtained. (C) 2002 Elsevier Science B.V All rights reserved.
Keyword1-dodecene Hydroformylation Gas-liquid-liquid System Reaction Engineering Kinetics Surfactant
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000176407000005
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5687
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhang, YQ,Mao, ZS,Chen, TY. Macro-kinetics of biphasic hydroformylation of 1-dodecene catalyzed by water-soluble rhodium complex[J]. CATALYSIS TODAY,2002,74(1-2):23-35.
APA Zhang, YQ,Mao, ZS,&Chen, TY.(2002).Macro-kinetics of biphasic hydroformylation of 1-dodecene catalyzed by water-soluble rhodium complex.CATALYSIS TODAY,74(1-2),23-35.
MLA Zhang, YQ,et al."Macro-kinetics of biphasic hydroformylation of 1-dodecene catalyzed by water-soluble rhodium complex".CATALYSIS TODAY 74.1-2(2002):23-35.
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