Analysis on adsorbent for spent solvent treatment by micro-PIXE and EXAFS-Reference-Cited by-同舟云学术

Analysis on adsorbent for spent solvent treatment by micro-PIXE and EXAFS

Published:2019-01 Issue:01n02 Volume:29 Page:17-31
ISSN:0129-0835
Container-title:International Journal of PIXE
language:en
Short-container-title:Int. J. PIXE

Author:

Arai Y.¹²,Watanabe S.¹,Ohno S.¹,Nakamura M.¹,Shibata A.¹,Nakamura F.³,Arai T.³,Seko N.⁴,Hoshina H.⁴,Hagura N.⁵,Kubota T.²

Affiliation:

1. Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, 4-33, Muramatsu, Tokai-mura, Ibaraki 319-1194, Japan

2. College of Engineering, Ibaraki University, 4-12-1 Nakanarusawa, Hitachi-shi, Ibaraki 316-8511, Japan

3. College of Engineering, Shibaura Institute of Technology, 3-7-5, Toyosu, Koutouku, Tokyo 135-8548, Japan

4. Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233, Watanuki-machi, Takasaki, Gunma 370-1292, Japan

5. Department of Nuclear Safety Engineering, Tokyo City University, 1-28-1, Tamazutsumi, Setagaya-ku, Tokyo, 158-8557, Japan

Abstract

The spent PUREX solvent containing U and Pu is generated from the reprocessing process of spent nuclear fuel. The nuclear material removal is important for the safe storage or disposal of the spent solvent. Our previous study revealed that the adsorbent with the iminodiacetic acid (IDA) functional group is one of the most promising materials for designing the nuclear material recovery process. Accordingly, an IDA-type adsorbent was synthesized by using graft polymerization technology or a chemical reaction to improve the adsorption rate and capacity. The synthesized IDA-type adsorbent was characterized by micro particle-induced X-ray emission (PIXE) and extended X-ray absorption fine structure (EXAFS) analyses. The micro-PIXE analysis revealed that Zr was adsorbed on the whole synthesized adsorbents and quantified the microamount of adsorbed Zr. Moreover, EXAFS suggested that Zr in the aqueous solution and solvent can be trapped by the IDA group with different mechanisms.

Publisher

World Scientific Pub Co Pte Lt

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0129083519500128

Reference12 articles.

1. STRAD project for systematic treatments of radioactive liquid wastes generated in nuclear facilities

2. Microscopic analyses on Zr adsorbed IDA chelating resin by PIXE and EXAFS

3. Infrared Spectra of Aqueous Solutions. II. Iminodiacetic Acid, N-Hydroxyethyliminodiacetic Acid and Nitrilotriacetic Acid

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