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An overview on specific phenomena in extraction of carboxylic acids with hydrophobic ionic liquids (ILs) based on results of new measurements with selected phosphonium, ammonium and imidazolium ILs and published data is presented. Formation of IL – acid hydrated complexes with multiple molecules of organic acid per one IL ion pair was observed. The distribution coefficient of carboxylic acids and...
The purpose of this study is to optimize the extraction process of tannins from pomegranate peel (Punica granatum L.) using conventional maceration technique. The variables studied were the temperature in the range of [30–80 $$^{\circ }$$ ∘ C], pH of [2–8], solid–liquid ratio [1/2–1/50 g/mL] and particle size ranges from [0.1–0.2] to [4–5.3] mm. The effect of solvent was also studied. Three solvents...
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