Natural odorant molecules have a high added value and are very widely employed in the food, pharmaceutical, cosmetics or perfume industries. Their separation, traditionally ensured by distillation or liquid-liquid extraction, remains a difficult and costly operation. New technologies are now being developed. One of these is membrane contactors developed by a french cleantech company named Ederna which, because of their compactness, flexibility, selectivity and low energy and solvent consumption, have undeniable advantages.
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