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Solvent Extraction and Ion Exchange Volume 33, 2015 - Issue 3
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Original Articles

Synergic Extraction and Transport of Folic Acid through Liquid Membranes

Anca-Irina GalactionFaculty of Medical Bioengineering, Department of Biomedical Science, “Grigore T. Popa” University of Medicine and Pharmacy of Iasi, Iasi, RomaniaView further author information
,
Amalia-Stela BompaFaculty of Chemical Engineering and Environmental Protection, Department of Biochemical Engineering, “Gheorghe Asachi” Technical University of Iasi, Iasi, RomaniaView further author information
,
Lenuta KloetzerFaculty of Chemical Engineering and Environmental Protection, Department of Biochemical Engineering, “Gheorghe Asachi” Technical University of Iasi, Iasi, RomaniaView further author information
,
Marius Alexandru TurneaFaculty of Medical Bioengineering, Department of Biomedical Science, “Grigore T. Popa” University of Medicine and Pharmacy of Iasi, Iasi, RomaniaView further author information
&
Dan CaşcavalFaculty of Chemical Engineering and Environmental Protection, Department of Biochemical Engineering, “Gheorghe Asachi” Technical University of Iasi, Iasi, RomaniaCorrespondence[email protected]
View further author information
Pages 313-328 | Published online: 27 Feb 2015
 
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Abstract

The influence of carrier concentration on the synergic effect induced in the facilitated pertraction of folic acid with the mixture of Amberlite LA-2 and D2EHPA has been analyzed for two liquid membranes with different polarities. The results indicated that the most important synergism can be obtained in the pertraction systems containing low concentrations of D2EHPA and high Amberlite LA-2 concentrations dissolved in a low-polar solvent, namely n-heptane. On the other hand, the stronger synergism corresponding to the acid extraction from the feed phase could lead to a weak synergic effect or negative synergism related to the reextraction into the stripping phase.

Additional information

Funding

This work was supported by the Grant of the Romanian National Authority for Scientific Research, CNCS-UEFISCDI, project number PN-II-ID-PCE-2011-3-0088.

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