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題目:Isobaric vapor-liquid equilibrium for ethyl acetate-isopropanol -1-octyl-3- methylimidazolium tetrafluoroborate 期刊:Advanced Materials Research Vols. 641-642 (2013) |
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Accession number:20130615987524 Title: Isobaric vapor-liquid equilibrium for ethyl acetate-isopropanol-1-octyl-3-methylimidazolium tetrafluoroborate Authors: Shi, Xiumin1 ; Wang, Min1 Author affiliation: 1 College of Chemical Engineering, Changchun University of Technology, Changchun, China Corresponding author: Shi, X. (shixm@mail.ccut.edu.cn) Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 641-642 Issue: 1 Monograph title: Biotechnology, Chemical and Materials Engineering II Issue date: 2013 Publication year: 2013 Pages: 160-164 Language: English ISSN: 10226680 ISBN-13: 9783037855942 Document type: Conference article (CA) Conference name: 2nd International Conference on Biotechnology, Chemical and Materials Engineering, CBCME 2012 Conference date: December 28, 2012 - December 29, 2012 Conference location: Xiamen, China Conference code: 95236 Sponsor: Hong Kong Control Engineering and Information; Science Research Association (CEIS); Dalian Polytechnic University; International Frontiers of Science; and Technology Research Association (IFST); Trans tech publications inc. Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: In order to study the possibility of separating ethyl acetate and isopropanol by extractive distillation with ILs as an entrainer. Isobaric vapor-liquid equilibrium data for ethyl acetate + isopropanol+1-octyl-3-methylimidazolium tetrafluoroborate ([OMIM]BF4) ternary system at 101.32 kPa were determined using a recirculating still. The results showed that the ionic liquid (IL) studied produced a notable salting-out effect, which enhanced the relative volatility of ethyl acetate to isopropanol and eliminated the azeotrope when the mole fraction of IL in the liquid phase was greater than 0.10. Therefore, [OMIM]BF4 can be used as the extraction agent of extractive distillation for ethyl acetate + isopropanol systerm, the suitable mole fraction of [OMIM]BF4 is about 20%. The experimental data were correlated with the NRTL model, the correlated results agreed well with the experimental data. © (2013) Trans Tech Publications, Switzerland. Number of references: 8 Main heading: Phase equilibria Controlled terms: Biotechnology - Distillation - Ionic liquids - Vapors Uncontrolled terms: Ethyl acetates - Iso-propanols - NRTL equation - Tetrafluoroborates - Vapor-liquid equilibrium Classification code: 461.8 Biotechnology - 531 Metallurgy and Metallography - 802.3 Chemical Operations - 804 Chemical Products Generally DOI: 10.4028/www.scientific.net/AMR.641-642.160 Database: Compendex Compilation and indexing terms, © 2012 Elsevier Inc. Full-text and Local Holdings Links |
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