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Vapo-diffusion assistée par micro-ondes : conception, optimisation et application

Abstract : Microwave steam diffusion (MSDf) was developed as a cleaner and new process design and operation for isolation of essentials oils and was compared to conventional steam diffusion (SDf). This green process has been applied and tested using two aromatic matrixes: fresh orange peels and dry lavender flowers. This process is based on the combination of a traditional technique of extraction: hydro-diffusion and the microwave irradiation energy. Without adding any steam or water, we proposed also a novel and green approach for extraction of secondary metabolites from dried plant materials. This “steam and water free” approach based on a simple principle involves the application of microwave irradiation and earth gravity to extract the essential oil from dried caraway seeds. MSDf and MDG were better than SDf in terms of energy saving, cleanliness and reduced waste water
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Asma Farhat. Vapo-diffusion assistée par micro-ondes : conception, optimisation et application. Autre. Université d'Avignon, 2010. Français. ⟨NNT : 2010AVIG0240⟩. ⟨tel-00547809⟩

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