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https://repositorio.ufba.br/handle/ri/7063
metadata.dc.type: | Artigo de Periódico |
Título : | Supercritical CO2 extraction of essential oils from Thymus vulgaris |
Otros títulos : | Brazilian Journal of Chemical Engineering |
Autor : | Melo, Silvio Alexandre Beisl Vieira de Costa, Glória Meyberg Nunes Garau, R. Casula, A. Pittau, B. |
metadata.dc.creator: | Melo, Silvio Alexandre Beisl Vieira de Costa, Glória Meyberg Nunes Garau, R. Casula, A. Pittau, B. |
Resumen : | Supercritical CO2 extraction of essential oil from Thymus vulgaris leaves was studied using experimental data recently obtained in the Florys S.p.A. laboratory. Mass transfer coefficients in the supercritical and solid phases from extraction curves at 40°C and 20 MPa were evaluated using a mathematical model based on the local adsorption equilibrium of essential oil on lipid in leaves. The adsorption equilibrium constant was fitted to these experimental data, and internal and external mass transfer resistances were calculated, allowing identification of the mechanism controlling the extraction process. |
Palabras clave : | Mathematical modeling Supercritical CO2 extraction Essential oils Thymus vulgaris |
Editorial : | Associação Brasileira de Engenharia Química |
URI : | http://www.repositorio.ufba.br/ri/handle/ri/7063 |
Fecha de publicación : | sep-2000 |
Aparece en las colecciones: | Artigo Publicado em Periódico (Química) |
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