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Supercritical CO2 extraction of dittany oil: Experiments and modelling

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dc.contributor.author Perakis, C en
dc.contributor.author Louli, V en
dc.contributor.author Voutsas, E en
dc.contributor.author Magoulas, K en
dc.date.accessioned 2014-03-01T01:34:43Z
dc.date.available 2014-03-01T01:34:43Z
dc.date.issued 2010 en
dc.identifier.issn 0896-8446 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/20811
dc.subject Dittany en
dc.subject Mass transfer en
dc.subject Modelling en
dc.subject Process parameters en
dc.subject Supercritical fluid extraction en
dc.subject.classification Chemistry, Physical en
dc.subject.classification Engineering, Chemical en
dc.subject.other Dittany en
dc.subject.other Extraction curves en
dc.subject.other Extraction yield en
dc.subject.other Intra-particle diffusion en
dc.subject.other Mass balance model en
dc.subject.other Mean particle diameter en
dc.subject.other Modelling en
dc.subject.other Origanum dictamnus en
dc.subject.other Plug flow en
dc.subject.other Process parameters en
dc.subject.other Solvent flow rate en
dc.subject.other Super-critical en
dc.subject.other Supercritical carbon dioxides en
dc.subject.other Supercritical CO en
dc.subject.other Carbon dioxide en
dc.subject.other Effluent treatment en
dc.subject.other Mass transfer en
dc.subject.other Particle size en
dc.subject.other Pressure effects en
dc.subject.other Supercritical fluid extraction en
dc.subject.other Supercritical fluids en
dc.subject.other Extraction en
dc.title Supercritical CO2 extraction of dittany oil: Experiments and modelling en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.supflu.2010.10.020 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.supflu.2010.10.020 en
heal.language English en
heal.publicationDate 2010 en
heal.abstract The extraction of oil from dittany (Origanum dictamnus) using supercritical carbon dioxide was investigated. The experiments were performed in a bench scale apparatus at the pressures of 100 and 150 bar and at the temperatures of 40 and 60 °C. The effect of the solvent flow rate and the mean particle diameter of dittany on the extraction yield was also investigated at 100 bar and 40 °C. It is shown that the extraction yield increases with pressure, while the increase of temperature and mean particle diameter leads to the opposite effect. Different flow rates of SCCO2 lead to similar extraction yields. Finally, the overall extraction curves are well correlated by a mass balance model of plug flow, in which the intraparticle diffusion resistance has the controlling role. © 2010 Elsevier B.V. © 2010 Elsevier B.V. All rights reserved. en
heal.publisher ELSEVIER SCIENCE BV en
heal.journalName Journal of Supercritical Fluids en
dc.identifier.doi 10.1016/j.supflu.2010.10.020 en
dc.identifier.isi ISI:000286444100020 en
dc.identifier.volume 55 en
dc.identifier.issue 2 en
dc.identifier.spage 573 en
dc.identifier.epage 578 en


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