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Solvent selection for the extraction of ethanol from aqueous solutions

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dc.contributor.author Koullas, DP en
dc.contributor.author Umealu, OS en
dc.contributor.author Koukios, EG en
dc.date.accessioned 2014-03-01T01:15:12Z
dc.date.available 2014-03-01T01:15:12Z
dc.date.issued 1999 en
dc.identifier.issn 0149-6395 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/13378
dc.subject.classification Chemistry, Multidisciplinary en
dc.subject.classification Engineering, Chemical en
dc.subject.other Chemical analysis en
dc.subject.other Ethanol en
dc.subject.other Organic solvents en
dc.subject.other Phase composition en
dc.subject.other Solutions en
dc.subject.other Dibutyl ether en
dc.subject.other Dibutyl oxalate en
dc.subject.other Isoamyl acetate en
dc.subject.other Isooctyl alcohol en
dc.subject.other Liquid liquid extraction en
dc.subject.other n-butyl acetate en
dc.subject.other Solvent extraction en
dc.subject.other alcohol en
dc.subject.other isopentyl acetate en
dc.subject.other solvent en
dc.subject.other aqueous solution en
dc.subject.other ethanol en
dc.subject.other liquid-liquid separation en
dc.subject.other solvent extraction en
dc.subject.other article en
dc.subject.other chemical composition en
dc.subject.other extraction en
dc.subject.other liquid liquid extraction en
dc.title Solvent selection for the extraction of ethanol from aqueous solutions en
heal.type journalArticle en
heal.identifier.primary 10.1081/SS-100100762 en
heal.identifier.secondary http://dx.doi.org/10.1081/SS-100100762 en
heal.language English en
heal.publicationDate 1999 en
heal.abstract Several organic solvents were examined as potential separating agents for ethanol recovery from aqueous solutions by liquid-liquid extraction. Phase composition determinations for five promising ethanol-water-solvent systems at 20 and 40°C and two solvent-to-feed ratios show that isoamyl acetate (IAA) and isooctyl alcohol (IOA) along with n-butyl acetate (BA) present a greater potential than dibutyl ether and dibutyl oxalate. Tie-line liquid-liquid equilibrium data at 25°C for the three promising solvents (IAA, IOA, and BA) were collected and analyzed. Both IAA and IOA were found to be very good separating agents, exhibiting ethanol distribution coefficients greater than 1, and separation factors in Bancroft coordinates of the order of 70 and 2000, respectively.Several organic solvents were examined as potential separating agents for ethanol recovery from aqueous solutions by liquid-liquid extraction. Phase composition determinations for five promising ethanol-water-solvent systems at 20 and 40°C and two solvent-to-feed ratios show that isoamyl acetate (IAA) and isooctyl alcohol (IOA) along with n-butyl acetate (BA) present a greater potential than dibutyl ether and dibutyl oxalate. Tie-line liquid-liquid equilibrium data at 25°C for the three promising solvents. (IAA, IOA, and BA) were collected and analyzed. Both IAA and IOA were found to be very good separating agents, exhibiting ethanol distribution coefficients greater than 1, and separation factors in Bancroft coordinates of the order of 70 and 2000, respectively. en
heal.publisher Marcel Dekker Inc, New York, NY, United States en
heal.journalName Separation Science and Technology en
dc.identifier.doi 10.1081/SS-100100762 en
dc.identifier.isi ISI:000081844900003 en
dc.identifier.volume 34 en
dc.identifier.issue 11 en
dc.identifier.spage 2153 en
dc.identifier.epage 2163 en


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