Removal of Potassium from Molasses by Solvent Extraction and Ion Exchange 


Vol. 35,  No. 9, pp. 2711-2716, Sep.  2014
10.5012/bkcs.2014.35.9.2711


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  Abstract

The high content of potassium in molasses limits its usage as a raw material for stock feed. Moreover, its high viscosity makes it difficult to develop an efficient removal process. In this study, ion exchange and solvent extraction experiments have been performed to investigate the removal of potassium from a mixture of molasses with water. Cationic exchange resins (AG50W-X8 and Diphonix) showed a high loading percentage of potassium but the occurrence of breakthrough in few bed volumes was a drawback to the industrial application. Among the cationic extractants (D2EHPA, PC 88A, Cyanex 272) tested in this study, saponified PC 88A was found to be the best extractant for the removal of potassium. Batch simulation studies on a three stage counter current extraction confirmed that 85% of potassium was removed from 50 wt % molasses solution in water by using saponifed PC 88A.

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  Cite this article

[IEEE Style]

L. Wang, S. Nam, M. Lee, "Removal of Potassium from Molasses by Solvent Extraction and Ion Exchange," Bulletin of the Korean Chemical Society, vol. 35, no. 9, pp. 2711-2716, 2014. DOI: 10.5012/bkcs.2014.35.9.2711.

[ACM Style]

Lingyun Wang, Sang-Ho Nam, and Manseung Lee. 2014. Removal of Potassium from Molasses by Solvent Extraction and Ion Exchange. Bulletin of the Korean Chemical Society, 35, 9, (2014), 2711-2716. DOI: 10.5012/bkcs.2014.35.9.2711.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949