Redox decontamination technique development. (I). Selection for dissolutive and regenerative conditions.
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- FUJITA Reiko
- Nuclear Engineering Laboratory, Toshiba Corp.
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- ENDA Masami
- Nuclear Engineering Laboratory, Toshiba Corp.
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- MORISUE Tetsuo
- Nuclear Engineering Laboratory, Toshiba Corp.
書誌事項
- タイトル別名
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- Selection for Dissolutive and Regenerative Conditions
抄録
The decontamination technique is required to have a high decontamination rate and decontamination factor, to apply to irregularly formed metallic waste, and minimize secondary waste volume for component replacement and decommissioning. The authors were developed a new decontamination technique using Ce4+ for decommissioning, which was named "REDOX decontamination technique". This paper has investigated decontamination conditions and regeneration conditions in a non-radioactive (namely cold) fundamental test. The decontamination conditions, namely dissolution conditions for stainless steel and carbon steel were selected using simulated samples in nitric acid solutions in varying Ce4+ concentrations, HNO3 concentration, temperatures, and linear flow rate of decontamination solutions. The regeneration conditions for decontamination reagent were selected in various electrode materials and varying electrode separation distance, anode area/cathode area ratio, current density, Ce3+ concentration, and HNO3 concentration. The REDOX decontamination technique was ascertained to have a high dissolution rate and the decontamination reagent was ascertained to be regenerated effectively by electrolysis.
収録刊行物
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- Journal of Nuclear Science and Technology(日本原子力学会英文論文誌)
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Journal of Nuclear Science and Technology(日本原子力学会英文論文誌) 26 (3), 339-349, 1989
一般社団法人 日本原子力学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390001204095496960
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- NII論文ID
- 130000826715
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- COI
- 1:CAS:528:DyaL1MXit1Sqtrw%3D
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- ISSN
- 18811248
- 00223131
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可