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Arabian Journal for Science and Engineering

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13.11.2020 | Research Article-Chemical Engineering

Effect of the Instant Controlled Pressure-Drop DIC Technique on the Supercritical Carbon Dioxide Date Seeds Oil Extraction

verfasst von: Mehdi Louaer, Ahmed Zermane, Colette Besombes, Karim Allaf, Abdeslam Hassen Meniai

Erschienen in: Arabian Journal for Science and Engineering | Ausgabe 7/2021

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Abstract

The present study deals with the effect of combining instant controlled pressure-drop DIC texturing as a pretreatment step and the supercritical carbon dioxide extraction of date seeds oil in order to improve the extraction yield and/or time. Ground samples with mean particle size of 0.9 mm and undergoing no further treatments were used. Since the impact of DIC texturing mainly depends on the treatment time t and the absolute saturated steam pressure P, a response surface methodology RSM was carried out using these two independent factors and the oil yields and effective diffusivity as the response variables. A scanning electron microscope SEM showed that DIC pretreatment induced controlled modifications of the structure, breaking cell walls, thus enhancing the extraction performance. The results showed that the optimum extraction yield of DIC pretreated samples increased by an improvement over control of 15.48% and the extraction time reduced by 30%, which is quite encouraging.

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Titel: Effect of the Instant Controlled Pressure-Drop DIC Technique on the Supercritical Carbon Dioxide Date Seeds Oil Extraction
verfasst von: Mehdi Louaer
Ahmed Zermane
Colette Besombes
Karim Allaf
Abdeslam Hassen Meniai
Publikationsdatum: 13.11.2020
Verlag: Springer Berlin Heidelberg
Erschienen in: Arabian Journal for Science and Engineering / Ausgabe 7/2021
Print ISSN: 2193-567X
Elektronische ISSN: 2191-4281
DOI: https://doi.org/10.1007/s13369-020-05061-w

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