KAGAKU KOGAKU RONBUNSHU
Online ISSN : 1349-9203
Print ISSN : 0386-216X
ISSN-L : 0386-216X
Design of Liquid-Liquid Extraction Process for Separation of Metal Ions
SYOUHEI NISHIHAMATAKAYUKI HIRAIISAO KOMASAWA
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2000 Volume 26 Issue 4 Pages 497-505

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Abstract

Analyses of extraction equilibrium formulations for metal ions up to high loading ratios of the extractant were carried out. The extraction equilibrium formulations can be determined by combining the results of the slope analysis method and the stoichiometric compositions of the extract species at the high loading ratios, and these can express the extraction and scrubbing behaviors of metals at all ranges of the loading ratios. The formulations and mass balance equations can be used to construct the separation process with counter-current mixer-settler cascade, leading to the most suitable conditions for separation and purification of metal ions.

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© by THE SOCIETY OF CHEMICAL ENGINEERS, JAPAN
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