Mo(VI), Zr(IV) and Pd(II) ion recovery mechanism onto baker's yeast from nitric acid medium

Hasegawa, Kenta; Arai, Yoichi ; Watanabe, So ; Watanabe, Masayuki; Matsuura, Haruaki*; Hagura, Naoto*; Minowa, Kazuki*; Konishi, Yasuhiro*

Currently, we are focusing on baker's yeasts for their excellent metal ions adsorption characteristics, easy handling and low prices. In order to optimize adsorption performance and operation procedures as the reprocessing technology, adsorption mechanism has to be precisely investigated. In this study, adsorption performance of Mo(VI), Zr(IV) and Pd(II) from nitric acid, functional groups on the surface of the baker's yeast, coordination structure around the ions, mapping of the ions on the yeasts are investigated by batch-wise adsorption experiments, FT-IR, EXAFS, PIXE and PIGE analyses, respectively.

Language	:	English
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Meeting title	:	International Symposium on Zero-Carbon Energy Systems (IZES)
Held date	:	2023/01
Location (city)	:	Tokyo
Location (country)	:	Japan
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Cooperating Institute	:	大阪公立大学; 東京都市大学

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Registration No. : BB20221542
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