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Solvent and Emulsion Extractions of Gallic Acid by Tributylphosphate: Mechanisms and Parametric Study

Abstract : The aim of this paper was to study solvent extraction or liquid-liquid extraction (LLE) and extraction by emulsion (ELM) of gallic acid, a biomolecule present in many plants. A mechanism involving three tributylphosphate molecules for one molecule of undissociated gallic acid with co-extraction of water was found in LLE. ELM process is as fast as LLE and more efficient; in addition, it is more environmentally-friendly because lower extractant concentrations and smaller organic phase volumes were needed.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01237727
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Submitted on : Thursday, December 3, 2015 - 4:35:08 PM
Last modification on : Wednesday, July 1, 2020 - 4:30:04 PM

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Ka Ho Yim, Moncef Stambouli, Dominique Pareau. Solvent and Emulsion Extractions of Gallic Acid by Tributylphosphate: Mechanisms and Parametric Study. Solvent Extraction and Ion Exchange, Taylor & Francis, 2014, 32 (7), pp.749 - 762. ⟨10.1080/07366299.2014.930646⟩. ⟨hal-01237727⟩

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