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Journal Articles

A Design study on a metal fuel fast reactor core for high efficiency minor actinide transmutation by loading silicon carbide composite material

Ohgama, Kazuya; Hara, Toshiharu*; Ota, Hirokazu*; Naganuma, Masayuki; Oki, Shigeo; Iizuka, Masatoshi*

Journal of Nuclear Science and Technology, 59(6), p.735 - 747, 2022/06

 Times Cited Count:2 Percentile:29.47(Nuclear Science & Technology)

Journal Articles

New oxygen-evolving inert anode made of nickel metal applicable to electrolytic reduction of UO$$_{2}$$ in LiCl-Li$$_{2}$$O melt

Sakamura, Yoshiharu*; Murakami, Tsuyoshi*; Iizuka, Masatoshi*; Kofuji, Hirohide

Journal of the Electrochemical Society, 169(6), p.063504_1 - 063504_13, 2022/06

 Times Cited Count:2 Percentile:9.97(Electrochemistry)

The development of an O$$_{2}$$-evolving inert anode is of crucial importance for the electrolytic reduction process of oxide nuclear fuels using LiCl-Li$$_{2}$$O melts at 923 K. As scaled-up anodes for practical use, metallic anodes are preferable. In this study, Fe, Ni, and Fe-Ni metals were electrochemically examined and the results indicate that Ni metal coated with NiO is a promising anode material.

Journal Articles

A Design study on a mixed oxide fuel sodium-cooled fast reactor core partially loading highly concentrated MA-containing metal fuel

Ohgama, Kazuya; Ota, Hirokazu*; Oki, Shigeo; Iizuka, Masatoshi*

Proceedings of 2019 International Congress on Advances in Nuclear Power Plants (ICAPP 2019) (Internet), 9 Pages, 2019/05

JAEA Reports

Hydrochemical investigation at the Mizunami Underground Research Laboratory; Compilation of groundwater chemistry data in Mizunami group and Toki granite (fiscal year 2011)

Omori, Kazuaki; Shingu, Shinya; Hagiwara, Hiroki; Masuda, Kaoru*; Iizuka, Masatoshi*; Inui, Michiharu*; Iwatsuki, Teruki

JAEA-Data/Code 2013-001, 330 Pages, 2013/05

JAEA-Data-Code-2013-001.pdf:23.85MB

Japan Atomic Energy Agency has been investigated the groundwater chemistry on excavating the underground facilities as part of the Mizunami Underground Research Laboratory (MIU) Project at Mizunami, Gifu, Japan. This report compiles data of the groundwater chemistry obtained at MIU in the fiscal year 2011. In terms of ensuring traceability of data, basic information (e.g. sampling location, sampling date, sampling method, analytical method) and methodology for quality control is described.

JAEA Reports

Hydrochemical investigation at the Mizunami Underground Research Laboratory; Compilation of groundwater chemistry in the Mizunami group and Toki granite (fiscal year 2010)

Shingu, Shinya; Hagiwara, Hiroki; Masuda, Kaoru*; Iizuka, Masatoshi*; Inui, Michiharu*; Mizuno, Takashi

JAEA-Data/Code 2012-003, 50 Pages, 2012/06

JAEA-Data-Code-2012-003.pdf:4.61MB
JAEA-Data-Code-2012-003-appendix(CD-ROM).zip:226.3MB

Japan Atomic Energy Agency has been investigated the groundwater chemistry on excavating the underground facilities as part of the Mizunami Underground Research Laboratory (MIU) Project at Mizunami City, Gifu Prefecture, Japan. This report compiles data set of the groundwater chemistry obtained at MIU in the fiscal year 2010. In terms of ensuring traceability of data, basic information (e.g. sampling location, sampling date, sampling method, analytical method) and methodology for quality control is described.

Journal Articles

Distillation of cadmium from uranium-plutonium-cadmium alloy

Kato, Tetsuya*; Iizuka, Masatoshi*; Inoue, Tadashi*; Iwai, Takashi; Arai, Yasuo

Journal of Nuclear Materials, 340(2-3), p.259 - 265, 2005/04

 Times Cited Count:24 Percentile:81.24(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Electrochemical behaviors of uranium and plutonium at simultaneous recoveries into liquid cadmium cathodes

Uozumi, Koichi*; Iizuka, Masatoshi*; Kato, Tetsuya*; Inoue, Tadashi*; Shirai, Osamu*; Iwai, Takashi; Arai, Yasuo

Journal of Nuclear Materials, 325(1), p.34 - 43, 2004/02

 Times Cited Count:113 Percentile:98.54(Materials Science, Multidisciplinary)

Experiments were conducted on simultaneous recovering of uranium and plutonium electrochemically into laboratory scale liquid cadomium cathodes(LCCs) at different U/Pu ratios in the salt phase. The influence of the salt composition on the recovered amount of uranium and plutonium, the morphology of uranium and plutonium in the LCCs, and the behavior of americium were examined. It was shouwn that there is a threshold in the U/Pu ratio in the salt phase for the successful simultaneous recovery of uranium and plutonium up to 10wt% in high current efficiencies.

Journal Articles

Behavior of plutonium and americium at liquid cadmium cathode in molten LiCl-KCl electrolyte

Iizuka, Masatoshi*; Uozumi, Koichi*; Inoue, Tadashi*; Iwai, Takashi; Shirai, Osamu; Arai, Yasuo

Journal of Nuclear Materials, 299(1), p.32 - 42, 2001/10

 Times Cited Count:79 Percentile:97.51(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Electrode reaction of the Np$$^{3+}$$/Np couple in LiCl-KCl eutectic melts

Shirai, Osamu; Iizuka, Masatoshi*; Iwai, Takashi; Arai, Yasuo

Journal of Applied Electrochemistry, 31(9), p.1055 - 1060, 2001/09

 Times Cited Count:22 Percentile:47.69(Electrochemistry)

no abstracts in English

Journal Articles

Electrode reaction of the Pu$$^{3+}$$/Pu couple in LiCl-KCl eutectic melts; Comparison of the electrode reaction at the surface of liquid Bi with that at a solid Mo electrode

Shirai, Osamu; Iizuka, Masatoshi*; Iwai, Takashi; Arai, Yasuo

Analytical Sciences, 17(1), p.51 - 57, 2001/01

 Times Cited Count:52 Percentile:82.03(Chemistry, Analytical)

no abstracts in English

Journal Articles

Recovery of Neptunium by electrolysis of NpN in LiCl-KCl eutectic melts

Shirai, Osamu; Iizuka, Masatoshi*; Iwai, Takashi; Suzuki, Yasufumi; Arai, Yasuo

Journal of Nuclear Science and Technology, 37(8), p.676 - 681, 2000/08

no abstracts in English

Journal Articles

Development of plutonium recovery process by molten salt electrorefining; Behavior of plutonium at liquid cadmium cathode

Iizuka, Masatoshi*; Inoue, Tadashi*; Iwai, Takashi; Shirai, Osamu; Arai, Yasuo

Denryoku Chuo Kenkyusho Hokoku (T99078), 24 Pages, 2000/06

no abstracts in English

Journal Articles

Development of plutonium recovery process by molten salt electrorefining with liquid cadmium cathode

Iizuka, Masatoshi*; Uozumi, Koichi*; Inoue, Tadashi*; Iwai, Takashi; Shirai, Osamu; Arai, Yasuo

Proceedings of 6th International Exchange Meeting on Actinide and Fission Product Partitioning and Transmutation (CD-ROM), p.327 - 341, 2000/00

no abstracts in English

Oral presentation

Novel pyroprocess with a high separation efficiency of actinides from lanthanides, 3; Electrochemical behavior of U on a liquid Ga electrode in molten chlorides

Murakami, Tsuyoshi*; Sakamura, Yoshiharu*; Iizuka, Masatoshi*; Nohira, Toshiyuki*; Kitawaki, Shinichi; Kofuji, Hirohide

no journal, , 

no abstracts in English

Oral presentation

Novel pyroprocess with a high separation efficiency of actinides from lanthanides, 4; Separation of actinides from lanthanides by electrolysis in LiCl-KCl onto liquid aluminum or gallium electrode

Kitawaki, Shinichi; Kofuji, Hirohide; Murakami, Tsuyoshi*; Sakamura, Yoshiharu*; Iizuka, Masatoshi*; Nohira, Toshiyuki*

no journal, , 

no abstracts in English

Oral presentation

Oral presentation

Development of highly flexible technology for recovery and transmutation of minor actinide, 9; Design study on fuel and core for sodium-cooled fast reactors loading highly concentrated MA-containing metal fuel

Ohgama, Kazuya; Ota, Hirokazu*; Hara, Toshiharu*; Naganuma, Masayuki; Oki, Shigeo; Iizuka, Masatoshi*

no journal, , 

no abstracts in English

Oral presentation

Oral presentation

Development of oxygen-evolving anode for electrolytic reduction of oxide nuclear fuels in LiCl-Li$$_{2}$$O melts

Sakamura, Yoshiharu*; Iizuka, Masatoshi*; Kofuji, Hirohide

no journal, , 

no abstracts in English

Oral presentation

Performance evaluation of nickel anode for electrolytic reduction of actinide oxides in LiCl-Li$$_{2}$$O melts

Sakamura, Yoshiharu*; Murakami, Tsuyoshi*; Iizuka, Masatoshi*; Kofuji, Hirohide

no journal, , 

39 (Records 1-20 displayed on this page)