Extraction and Modeling of Algerian Rosemary Essential Oil Using Supercritical CO2: Effect of Pressure and Temperature | Zendy

Zermane Ahmed | Zendy; Meniai Abdeslam-Hassan | Zendy; Larkeche Ouassila | Zendy; Danielle Barth | Zendy

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Extraction and Modeling of Algerian Rosemary Essential Oil Using Supercritical CO2: Effect of Pressure and Temperature

Author(s) -

Zermane Ahmed,

Meniai Abdeslam-Hassan,

Larkeche Ouassila,

Danielle Barth

Publication year - 2012

Publication title -

energy procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.474

H-Index - 81

ISSN - 1876-6102

DOI - 10.1016/j.egypro.2012.05.118

Subject(s) - supercritical fluid , extraction (chemistry) , essential oil , yield (engineering) , supercritical carbon dioxide , supercritical fluid extraction , thermal diffusivity , materials science , chemistry , chromatography , thermodynamics , organic chemistry , composite material , physics

In this work essential oil was extracted from Algerian Rosemary leaves by the supercritical CO2 extraction. The effects of the key parameters such as pressure and temperature on the yield of extraction were examined. The obtained yield were in the range of 0.95-3.52g of dry oil/g of rosemary, and the best value was obtained at a pressure of 22MPa and temperature of 40¡C. The model of shrinking-core was used to analyse the experimental results of the extraction, this model contains one adjustable parameter, effective diffusivity De, the experimental results were successfully fitted

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