Effect of short chain aliphatic carboxylic acids for sorption of uranyl on rutile Zeta potential and in situ ATR-FTIR studies

B.K. Singh 1 F. Mercier-Bion 1 G. Lefevre 2 E. Simoni 1
1 IPNO - Institut de Physique Nucléaire d'Orsay
2 IRCP - Institut de Recherche de Chimie Paris
Abstract : Migration of radionuclides in aqueous system is a matter of great environmental concern due to their acute and long-term toxicity. This study seeks to address the sorption of uranyl on rutile in presence of short-chain aliphatic carboxylic acids by zeta potential analysis and in situ ATR-IR spectroscopy. Point of zero charge of rutile was significantly shifted with the addition of carboxylic acids/uranyl ions separately in solution but it was negligible when organics and uranyl ions were added in the suspension. In situ ATR-IR data for uranyl sorption was evidenced by an absorption band of uranyl as(UO2) at 915 cm−1.
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Submitted on : Wednesday, July 6, 2016 - 3:42:54 PM
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B.K. Singh, F. Mercier-Bion, G. Lefevre, E. Simoni. Effect of short chain aliphatic carboxylic acids for sorption of uranyl on rutile Zeta potential and in situ ATR-FTIR studies. Journal of Industrial and Engineering Chemistry, Elsevier, 2016, 35, pp.325-331. ⟨10.1016/j.jiec.2016.01.008⟩. ⟨in2p3-01342736⟩

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