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À propos de : Extraction of Lactic Acid by Means of a Mixed Extractant        

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  • Extraction of Lactic Acid by Means of a Mixed Extractant
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  • Equilibrium studies on the extraction of lactic acid by means of a mixed extractant (a mixtureof tri-n-octylamine and Aliquat 336 in decanol) are carried out. Different ratios between thetwo extractants are investigated, and the obtained results are compared with those using theindividual extractants. The effect of the initial pH of the aqueous solution on the extractionextent is followed in a large interval. The equilibrium pH values are also measured. The obtainedresults give grounds to conclude that the mixture of a tertiary amine and a quaternaryammonium salt is more efficient than the individual extractants. This makes it particularlyappropriate for the recovery of lactic acid from fermentation broth.
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