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<p>The feasibility of using commercially available polyvinylpolypyrrolidone (PVPP) as a separate actinides was investigated. Uranium, thorium, and plutonium were used as actinides in the study. Adsorption data for An(IV) and An(VI) were obtained by adsorption experiments in nitric acid. In addition, An(III)/An(IV)/An(VI) sequential separation was successfully performed by a column separation method using PVPP. Furthermore, the elution efficiency of U(VI) was improved by the introduction of carbonate ions. This method may be applicable as a sequential separation for actinide.</p>

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Actinide separation by column method using polyvinylpolypyrrolidone

  • 期刊论文

  • 发表日期：

    2025年11月11日

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  • Kazuma Wada,
  • Hiroyuki Kazama,
  • Chikage Abe,
  • Takashi Ohnishi,
  • Masahiko Yamamoto,
  • Shigeo Taguchi,
  • Takehiko Kuno,
  • Koji Maeda,
  • Kazuya Idemitsu,
  • Tatsuya Suzuki

摘要

The feasibility of using commercially available polyvinylpolypyrrolidone (PVPP) as a separate actinides was investigated. Uranium, thorium, and plutonium were used as actinides in the study. Adsorption data for An(IV) and An(VI) were obtained by adsorption experiments in nitric acid. In addition, An(III)/An(IV)/An(VI) sequential separation was successfully performed by a column separation method using PVPP. Furthermore, the elution efficiency of U(VI) was improved by the introduction of carbonate ions. This method may be applicable as a sequential separation for actinide.