Solvent Extraction Research and Development, Japan
Online ISSN : 2188-4765
Print ISSN : 1341-7215
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Adsorption of Europium(III) by Solvent Impregnated Kapok Fibers Containing 2-Ethylhexyl Phosphonic Acid Mono-2-Ethylhexyl Ester
Natsuki HIGASyouhei NISHIHAMAKazuharu YOSHIZUKA
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2011 Volume 18 Pages 187-192

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Abstract

Solvent impregnated kapok fibers are prepared, employing 2-ethylhexyl phosphonic acid mono-2-ethylhexy ester as the extractant, and the adsorption property of Eu(III) are investigated. Kapok fibers possess a higher impregnation ability for the extractant than conventional solvent impregnated resins, such as crosslinked polystyrene and crosslinked polymethacrylic ester, and thus solvent impregnated kapok fibers have a higher adsorption ability for Eu(III). The adsorption of Eu(III) with solvent impregnated kapok fibers progresses via a Langmuir adsorption mechanism and a high maximum adsorption of 0.685 mmol/g is obtained.

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© 2011 Japan Association of Solvent Extraction
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