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

Yoichi Arai, Sou Watanabe, Shimpei Ohno, Kazunori Nomura, Fumiya Nakamura, Tsuyoshi Arai, Noriaki Seko, Hiroyuki Hoshina, Naoto Hagura, Toshio Kubota

Research output: Contribution to journalArticle

Abstract

Radioactive spent solvent waste containing U and Pu is generated from reprocessing process of spent nuclear fuel. The nuclear materials removal is important for safety storage or disposal. Imino diacetic acid (IDA) type chelating resin is promising adsorbent, and its characterization is performed by Particle Induced X-ray Emission (PIXE) and Extended X-ray Absorption Fine Structure (EXAFS) analyses on Zr in order to evaluate adsorption mechanism. PIXE succeeded in quantitative analysis on few microgram of adsorbed Zr, and EXAFS suggested that Zr in the aqueous solution and in the solvent can be trapped by IDA group with different mechanisms.

Fingerprint

X ray absorption
Chelation
resins
Resins
fine structure
Nuclear fuel reprocessing
X rays
acids
Acids
Spent fuels
Nuclear fuels
Adsorbents
x rays
Adsorption
spent fuels
nuclear fuels
disposal
adsorbents
Chemical analysis
machining

Keywords

  • Chelating resin
  • EXAFS
  • Micro-PIXE
  • Spent solvent
  • Zr recovery

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

Microscopic analyses on Zr adsorbed IDA chelating resin by PIXE and EXAFS. / Arai, Yoichi; Watanabe, Sou; Ohno, Shimpei; Nomura, Kazunori; Nakamura, Fumiya; Arai, Tsuyoshi; Seko, Noriaki; Hoshina, Hiroyuki; Hagura, Naoto; Kubota, Toshio.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 01.01.2019.

Research output: Contribution to journalArticle

Arai, Yoichi ; Watanabe, Sou ; Ohno, Shimpei ; Nomura, Kazunori ; Nakamura, Fumiya ; Arai, Tsuyoshi ; Seko, Noriaki ; Hoshina, Hiroyuki ; Hagura, Naoto ; Kubota, Toshio. / Microscopic analyses on Zr adsorbed IDA chelating resin by PIXE and EXAFS. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2019.
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AU - Arai, Yoichi

AU - Watanabe, Sou

AU - Ohno, Shimpei

AU - Nomura, Kazunori

AU - Nakamura, Fumiya

AU - Arai, Tsuyoshi

AU - Seko, Noriaki

AU - Hoshina, Hiroyuki

AU - Hagura, Naoto

AU - Kubota, Toshio

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AB - Radioactive spent solvent waste containing U and Pu is generated from reprocessing process of spent nuclear fuel. The nuclear materials removal is important for safety storage or disposal. Imino diacetic acid (IDA) type chelating resin is promising adsorbent, and its characterization is performed by Particle Induced X-ray Emission (PIXE) and Extended X-ray Absorption Fine Structure (EXAFS) analyses on Zr in order to evaluate adsorption mechanism. PIXE succeeded in quantitative analysis on few microgram of adsorbed Zr, and EXAFS suggested that Zr in the aqueous solution and in the solvent can be trapped by IDA group with different mechanisms.

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