2018 Fall Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-1 Radioactive Waste Management

[3G05-08] Radioactive Liquid Waste Treatment 2

Fri. Sep 7, 2018 10:50 AM - 12:00 PM Room G (A37 -A Building)

Chair:Takamitsu Ishidera(JAEA)

10:50 AM - 11:05 AM

[3G05] Development of treatment technology for spent solvent generated from fuel reprocessing process

(1) Overview and examination of recovery method of nuclear materials extracted into spent TRUEX solvent using conventional method

*Yoichi Arai1,2, Sou Watanabe1, Toshio Kubota2, Arai Tsuyoshi3, Seko Noriaki4, Kazunori Nomura1 (1. Japan Atomic Energy Agency, 2. Ibaraki University, 3. Shibaura Institute of Technology, 4. National Institutes for Quantum and Radiological Science and Technology)

Keywords:STRAD project, Treaement of spent solvent, Alkali washing

STRAD(Systematic Treatments of RAdioactive liquid wastes for Decomissioing)プロジェクトの一環として、抽出後長期間を経過し劣化した廃溶媒からの金属物質の回収に、アルカリ溶液を適用することを試みた。高濃度の劣化成分を含む著しく劣化したTRUEX廃溶媒から核燃料物質を回収可能であることを確認した。