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Parametric Analysis of Mandelic Acid Separation from Aqueous Solutions by Using Secondary Amine Mixture (Amberlite LA-2) in Various Diluents

Cite this: J. Chem. Eng. Data 2019, 64, 8, 3331–3336
Publication Date (Web):July 18, 2019
https://doi.org/10.1021/acs.jced.9b00169
Copyright © 2019 American Chemical Society

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    Abstract

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    Mandelic acid (MA) an α hydroxycarboxylic acid found in bitter almonds. It has gained importance in recent years, especially due to its use in the cosmetic industry. Separation processes of mandelic acid have a critical point in the production stages obtained the product form. In this study, extraction of mandelic acid from aqueous solutions was carried out using five different concentrations of Amberlite LA-2 (LA2) solution. Dimethyl phthalate (DMP), methyl isobutyl ketone (MIBK), 2-octanone, 1-octanol, n-pentane, octyl acetate, and toluene were used as diluents in the organic phase. The batch extraction results of mandelic acid were obtained for process design. The data were analyzed with respect to loading factor (Z), distribution coefficient (D), and extraction efficiency (E). In addition, the overall extraction constants, K11, K12, K13, and K23 have been determined for acid–amine complex. The maximum removal of mandelic acid in this study is 92.75% with MIBK and 0.57 mol·kg–1 initial concentration of Amberlite LA-2.

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    Cited By

    This article is cited by 2 publications.

    1. Monika Parcheta, Renata Świsłocka, Grzegorz Świderski, Marzena Matejczyk, Włodzimierz Lewandowski. Spectroscopic Characterization and Antioxidant Properties of Mandelic Acid and Its Derivatives in a Theoretical and Experimental Approach. Materials 2022, 15 (15) , 5413. https://doi.org/10.3390/ma15155413
    2. Ahmet Çevik, Yavuz Selim Aşçı, Melisa Lalikoglu. Investigation of the effects of ionic liquid as diluent in separation of lactic acid from aqueous media by reactive extraction. Biomass Conversion and Biorefinery 2022, 12 (4) , 1323-1330. https://doi.org/10.1007/s13399-021-01513-x

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