Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.memsci.2007.02.021
Title: Modification of the commercial carrier in supported liquid membrane system to enhance lactic acid flux and to separate l,d-lactic acid enantiomers
Authors: Yang, Q. 
Chung, T.-S. 
Keywords: β-Cyclodextrin
Aliquat™ 336
d,l-Lactic acid
Enantioseparation
Modification
Supported liquid membrane
Issue Date: 15-May-2007
Citation: Yang, Q., Chung, T.-S. (2007-05-15). Modification of the commercial carrier in supported liquid membrane system to enhance lactic acid flux and to separate l,d-lactic acid enantiomers. Journal of Membrane Science 294 (1-2) : 127-131. ScholarBank@NUS Repository. https://doi.org/10.1016/j.memsci.2007.02.021
Abstract: Enhancement of lactic acid transmembrane flux through a supported liquid membrane system by using a modified carrier is first time demonstrated in this work. The results show that with the replacement of the chloride ion with a carbonate one in the commercial quaternary ammonium salt (Aliquat™ 336), the lactic acid fluxes are always higher at the correspondingly same volume ratio of extractants in kerosene. In addition, enhanced enantiomer separation of l,d-lactic acid mixtures is also achieved by adding β-cyclodextrin into the feed in the supported liquid membrane system. The separation factor is as high as 2.3 in both ideal and racemic mixture tests with an impressively high transmembrane flux. © 2007 Elsevier B.V. All rights reserved.
Source Title: Journal of Membrane Science
URI: http://scholarbank.nus.edu.sg/handle/10635/89458
ISSN: 03767388
DOI: 10.1016/j.memsci.2007.02.021
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