Recovery of Rhodium(III) from nitric acid solutions using adsorbent functionalized with -trimethylglycine

Suzuki, Tomoya; Morita, Keisuke ; Sasaki, Yuji ; Matsumura, Tatsuro

In a previous study, we found that AMP03 adsorbs Rh(III) from the HNO $_{3}$ solution with pH = 1.7 - 2.2. In this study, to understand the Rh(III) adsorption properties of AMP03 and clarify conditions for efficient recovery, we investigated the adsorption behaviors of Rh(III) from the HNO $_{3}$ solution. As a result, it was found that Rh(III) is effectively adsorbed from aqueous solution containing low H $^{+}$ and high NO $_{3}$ $^{-}$ concentration. Considering the adsorption mechanism of Rh(III), we found that Rh $^{3+}$ in aqueous solution is adsorbed with two betaine groups in AMP03 and three NO $_{3}$ $^{-}$ .

Language	:	English
Journal	:	Bulletin of the Chemical Society of Japan
Volume	:	89
Number	:	5
Pages	:	p.608 - 616
Publication Year/Month	:	2016/05
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Paper URL	:	https://doi.org/10.1246/bcsj.20160007
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Keywords	:	no keyword
Research Facility	:	第4研究棟
Press Release	:
Article of JAEA R&D Review	:	Recovery of Valuable Rare Metals from High-Level Radioactive Waste; Separation of Rhodium with Ion-Exchange Resin[/]
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Registration No. : AA20150266
JAEA Abstracts No. : 44001089
Paper Submission No. : 17786

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