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An ionic liquid extraction process for the separation of indole from wash oil
Jiao, Tiantian1; Zhuang, Xulei1; He, Hongyan1; Zhao, Lihong2; Li, Chunshan1; Chen, Hongnan1; Zhang, Suojiang1
2015
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume17Issue:7Pages:3783-3790
AbstractIndole is an important industrial substance derived from wash oil, and the traditional alkali fusion method causes serious environmental problems. In this research, imidazolium-based ionic liquids (IBILs) were developed as new extraction agents to separate indole from wash oil with extraction efficiencies of more than 90%. The influence of the IBIL structure was explored. The extraction efficiency and the distribution coefficient of indole were used as the indexes to evaluate the IBIL extraction ability. The key experimental parameters, such as the initial indole concentration, extraction time, extraction temperature, and volume ratio of IBIL-to-model wash oil, were investigated to obtain the optimum conditions. The separation mechanism was studied by analyzing the chemical bonds using spectrographic analysis and molecular simulations. The IBILs were recycled by back-extraction and they exhibited good recycling properties with no obvious reduction and a high extraction efficiency. Finally, the optimal process was conducted based on the process simulation.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5gc00081e
Indexed BySCI
Language英语
WOS KeywordSOLVENT-EXTRACTION ; AMINO-ACIDS ; COAL-TAR ; BENZENE ; PHENOLS
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000357620900017
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19388
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
2.Henan Energy Chem Ind Grp Co Ltd, Zhengzhou 450000, Peoples R China
Recommended Citation
GB/T 7714
Jiao, Tiantian,Zhuang, Xulei,He, Hongyan,et al. An ionic liquid extraction process for the separation of indole from wash oil[J]. GREEN CHEMISTRY,2015,17(7):3783-3790.
APA Jiao, Tiantian.,Zhuang, Xulei.,He, Hongyan.,Zhao, Lihong.,Li, Chunshan.,...&Zhang, Suojiang.(2015).An ionic liquid extraction process for the separation of indole from wash oil.GREEN CHEMISTRY,17(7),3783-3790.
MLA Jiao, Tiantian,et al."An ionic liquid extraction process for the separation of indole from wash oil".GREEN CHEMISTRY 17.7(2015):3783-3790.
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