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dc.contributor.authorRiera, Enrique-
dc.contributor.authorGolás Sánchez, Yolanda-
dc.contributor.authorBlanco Blanco, Alfonso-
dc.contributor.authorGallego Juárez, Juan Antonio-
dc.contributor.authorBlasco, M.-
dc.contributor.authorMulet, A.-
dc.date.accessioned2012-12-05T13:01:25Z-
dc.date.available2012-12-05T13:01:25Z-
dc.date.issued2004-
dc.identifier.citationUltrasonics Sonochemistry 11 : 241-244 (2004)es_ES
dc.identifier.issn1350-4177-
dc.identifier.urihttp://hdl.handle.net/10261/62072-
dc.description4 páginas, 6 figurases_ES
dc.description.abstractThe use of high-intensity ultrasound represents an efficient manner of producing small scale agitation, enhancing mass transfer on supercritical fluids (SF) extraction processes. In this way, a supercritical CO2 extraction of oil from particulate almonds using power ultrasound was studied. To examine the effect of the acoustic waves all experiments were performed with and without ultrasound. A power ultrasonic transducer for a working frequency of about 20 kHz was constructed and installed inside a highpressure 5 l SF extractor. The experimental tests were carried out with CO2 at 280 bar and 55 C. Grounded almonds with an oil content of about 55%, in an amount of 1500 g were deposited inside the SF reactor where the solvent was introduced at a flow rate of 20 kg/h. The results show that the kinetics and the extraction yield of the oil were enhanced by 30% and 20% respectively, when a power of about 50 W was applied to the transducer. The average time of each extraction process was of about 8 h and 30 min. In addition, the transducer was also used as a sensitive probe capable to detect the phase behavior of supercritical fluids when it was driven with low power signals.es_ES
dc.description.sponsorshipThis work was supported by the Research Project FEDER-FD97-1246-CO3-01.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsclosedAccesses_ES
dc.subjectPower ultrasoundes_ES
dc.subjectSupercritical fluidses_ES
dc.subjectSeparation and extraction processeses_ES
dc.titleMass transfer enhancement in supercritical fluids extraction by means of power ultrasoundes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.ultsonch.2004.01.019-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.ultsonch.2004.01.019es_ES
dc.identifier.e-issn1873-2828-
dc.contributor.funderEuropean Commission-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
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