Abstract
Lactic acid is a carboxylic acid that is important due to its applications in various industries like pharmaceutical, cosmetics, chemicals, and food industries. It can be used for the production of ethanol, acrylic polymers, and propylene glycol. However, lactic acid extraction from downstream is a major challenge, hence an attempt was made to recover the acid by liquid-liquid extraction from the aqueous stream. In this paper, the extraction of lactic acid from the water stream was done using rice bran, sesame, and mustard oil. The experimental data were defined in different parameters viz. distribution coefficient (K D ) and extraction efficiency (η) at 298.15 1 K. The distribution coefficient and extraction efficiency were found as follows: Sesame oil (0.28, 22.37%) > Rice Bran oil (0.19, 16.66%) > Mustard oil (0.13, 12.16%).
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