Extraction and modeling of lavender flower essential oil using supercritical carbon dioxide

Mesut Akgün; Nalan A. Akgün; Salih Dinçer

doi:10.1021/ie9904798

Extraction and modeling of lavender flower essential oil using supercritical carbon dioxide

Mesut Akgün, Nalan A. Akgün, Salih Dinçer^*

^*Corresponding author for this work

Yildiz Technical University

Research output: Contribution to journal › Article › peer-review

65 Citations (Scopus)

Abstract

Essential oil was extracted from lavender flowers (Lavandula Stoechas subspecies Cariensis Boiss) in a semicontinuous system by supercritical CO₂. Experiments were carried out in the ranges of 8-14 MPa pressures, 308-323 K temperatures, and 1.092-2.184 × 10^-3 kg/min carbon dioxide flow rates. The extraction process was modeled by a quasi-steady-state model as a function of extraction time, flow rate, pressure, and temperature. The model contains only one adjustable parameter, the intraparticle diffusion coefficient (effective diffusivity) D_e. The model using the best fit of D_e correlates the data satisfactorily.

Original language	English
Pages (from-to)	473-477
Number of pages	5
Journal	Industrial and Engineering Chemistry Research
Volume	39
Issue number	2
DOIs	https://doi.org/10.1021/ie9904798
Publication status	Published - 2000
Externally published	Yes

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AU - Akgün, Mesut

AU - Akgün, Nalan A.

AU - Dinçer, Salih

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AB - Essential oil was extracted from lavender flowers (Lavandula Stoechas subspecies Cariensis Boiss) in a semicontinuous system by supercritical CO2. Experiments were carried out in the ranges of 8-14 MPa pressures, 308-323 K temperatures, and 1.092-2.184 × 10-3 kg/min carbon dioxide flow rates. The extraction process was modeled by a quasi-steady-state model as a function of extraction time, flow rate, pressure, and temperature. The model contains only one adjustable parameter, the intraparticle diffusion coefficient (effective diffusivity) De. The model using the best fit of De correlates the data satisfactorily.

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Extraction and modeling of lavender flower essential oil using supercritical carbon dioxide

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