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Experimental and modelling of supercritical oil extraction from rapeseeds and sunflower seeds

Author:: Boutin, Olivier De Nadai, Axel Garcia Perez, Antonio Ferrasse, Jean-Henry Beltran, Marina Badens, Elisabeth
Journal:: CHEMICAL ENGINEERING RESEARCH & DESIGN
Issue Date:: 2011
Abstract(summary):: The supercritical oil extraction from oleaginous seeds (sunflower and rapeseeds) is presented here through experimental and modelling results. The experimental setup allows an accurate following of the mass of the oil extracted and to derive the experimental influences of pressure, temperature and supercritical CO(2) flowrate on the extraction curves. These parameters are very sensitive and highlight the necessity of precise optimisation of experimental conditions. In order to complete the behaviour of supercritical fluids extraction, an improved modelling is proposed. The modelling basic equations are based on others modelling published previously. In this work, the determination of several parameters comes from correlations and the other constants are fitted with all the experimental results. Thus the modelling is more representative and predictive as other ones. The modelling results present a good agreement with the experimental results, and hence it can be used for the dimensioning of some extraction autoclaves. (C) 2011 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
Page:: 2477---2484

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Meyer, F., Jaeger, P., Eggers, R., Stamenic, M., Milovanovic, S., Zizovic, I.. Effect of CO2 pre-treatment on scCO(2) extraction of natural material[J]. CHEMICAL ENGINEERING AND PROCESSING,2012:37---45.
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Experimental and modelling of supercritical oil extraction from rapeseeds and sunflower seeds

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