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http://hdl.handle.net/10261/62072
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Riera, Enrique | - |
dc.contributor.author | Golás Sánchez, Yolanda | - |
dc.contributor.author | Blanco Blanco, Alfonso | - |
dc.contributor.author | Gallego Juárez, Juan Antonio | - |
dc.contributor.author | Blasco, M. | - |
dc.contributor.author | Mulet, A. | - |
dc.date.accessioned | 2012-12-05T13:01:25Z | - |
dc.date.available | 2012-12-05T13:01:25Z | - |
dc.date.issued | 2004 | - |
dc.identifier.citation | Ultrasonics Sonochemistry 11 : 241-244 (2004) | es_ES |
dc.identifier.issn | 1350-4177 | - |
dc.identifier.uri | http://hdl.handle.net/10261/62072 | - |
dc.description | 4 páginas, 6 figuras | es_ES |
dc.description.abstract | The 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.sponsorship | This work was supported by the Research Project FEDER-FD97-1246-CO3-01. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.rights | closedAccess | es_ES |
dc.subject | Power ultrasound | es_ES |
dc.subject | Supercritical fluids | es_ES |
dc.subject | Separation and extraction processes | es_ES |
dc.title | Mass transfer enhancement in supercritical fluids extraction by means of power ultrasound | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.ultsonch.2004.01.019 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.ultsonch.2004.01.019 | es_ES |
dc.identifier.e-issn | 1873-2828 | - |
dc.contributor.funder | European Commission | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | none | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
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