Počet záznamů: 1

Mathematical Modelling of Supercritical CO2 Extraction of Volatile Oils from Aromatic Plants

SYSNO ASEP	0346702
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Mathematical Modelling of Supercritical CO2 Extraction of Volatile Oils from Aromatic Plants
Tvůrce(i)	Grosso, C. (PT) Coelho, J.P. (PT) Pessoa, F.L.P. (BR) Fareleira, J.M.N.A. (PT) Barroso, J.G. (PT) Urieta, J.S. (ES) Palavra, A.F. (PT) Sovová, Helena (UCHP-M)_{RID, ORCID, SAI}
Zdroj.dok.	Chemical Engineering Science. - : Elsevier - ISSN 0009-2509 Roč. 65, č. 11 (2010), s. 3579-3590
Poč.str.	12 s.
Jazyk dok.	eng - angličtina
Země vyd.	GB - Velká Británie
Klíč. slova	supercritical fluid extraction ; modelling ; volatile oils
Vědní obor RIV	CI - Průmyslová chemie a chemické inženýrství
CEZ	AV0Z40720504 - UCHP-M (2005-2011)
UT WOS	000278602000021
DOI	10.1016/j.ces.2010.02.046
Anotace	The modelling of the experimental data of the extraction of the volatile oil from six aromatic plants (coriander, fennel, savoury, winter savoury, cotton lavender and thyme) was performed using five mathematical models, based on differential mass balances. In all cases the extraction was internal diffusion controlled and the internal mass transfer coefficient (ks) has been found to change with pressure, temperature and particle size. For fennel, savoury and cotton lavender, the external mass transfer and the equilibrium phase also influenced the second extraction period, since ks changed with the tested flow rates. In general, the axial dispersion coefficient could be neglected for the conditions studied, since Peclet numbers were high. On the other hand, the solute-matrix interaction had to be considered in order to ensure a satisfactory description of the experimental data.
Pracoviště	Ústav chemických procesů
Kontakt	Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227
Rok sběru	2011

Počet záznamů: 1