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Oral presentation

A Basic study for MA separation from FBR spent nuclear fuel solution with HDEHP adsorbent

Oda, Ryohei*; Arai, Tsuyoshi*; Nagayama, Katsuhisa*; Watanabe, So; Sano, Yuichi; Koma, Yoshikazu

no journal, , 

no abstracts in English

Oral presentation

Investigation of condition for solvent flushout on centrifugal contactor

Arai, Yoichi; Ogino, Hideki; Onose, Tsutomu*; Hoshino, Takanori; Kase, Takeshi; Nakajima, Yasuo

no journal, , 

no abstracts in English

Oral presentation

Development of ceramics sensor for oxygen concentration measurement under neutron irradiation environment

Kitagishi, Shigeru; Inoue, Shuichi; Izumo, Hironobu; Saito, Takashi; Tsuchiya, Kunihiko

no journal, , 

no abstracts in English

Oral presentation

Preparation of functionalized porous polymeric sheet prepared with radiation-induced graft polymerization

Asai, Shiho; Kimura, Takaumi; Miyoshi, Kazuyoshi*; Saito, Kyoichi*; Yamada, Shinsuke*; Hirota, Hideyuki*

no journal, , 

no abstracts in English

Oral presentation

RF beam effect of thermal deformation at equitrial launcher for ITER EC H&CD system

Oda, Yasuhisa; Kajiwara, Ken; Takahashi, Koji; Kasugai, Atsushi; Sakamoto, Keishi

no journal, , 

no abstracts in English

Oral presentation

Oral presentation

Studies on stabilizing treatment process for low-radioactive phosphate effluent; Insolubilization experiment for phosphate effluent

Iwata, Masayuki*; Shimokawa, Kosuke*; Arai, Tsuyoshi*; Nagayama, Katsuhisa*; Suzuki, Tatsuya*; Horiguchi, Kenichi; Sugaya, Atsushi

no journal, , 

no abstracts in English

Oral presentation

Inspection techniques in reactor vessel of sodium cooled fast reactor

Itagaki, Wataru

no journal, , 

no abstracts in English

Oral presentation

Modeling and simulation of the extraction chromatography process

Watanabe, So; Sano, Yuichi; Koma, Yoshikazu; Myochin, Munetaka; Okamoto, Yoshihiro; Shiwaku, Hideaki; Suzuki, Shinichi; Yaita, Tsuyoshi

no journal, , 

no abstracts in English

Oral presentation

Experimental study on fuel shearing with irradiated fast reactor fuel at CPF

Ouchi, Shinichi; Shibata, Atsuhiro; Nomura, Kazunori; Miyachi, Shigehiko; Kitajima, Takafumi; Koizumi, Tsutomu

no journal, , 

no abstracts in English

Oral presentation

Permeation behavior of tritium in tritiated water vapor through F82H stainless steel

Oyaizu, Makoto; Isobe, Kanetsugu; Nakamura, Hirofumi; Hayashi, Takumi; Yamanishi, Toshihiko

no journal, , 

no abstracts in English

Oral presentation

Experimental study on molten core material relocation during core disruptive accidents in fast reactors

Toyooka, Junichi; Konishi, Kensuke; Kamiyama, Kenji; Tobita, Yoshiharu; Sato, Ikken; Kotake, Shoji*

no journal, , 

no abstracts in English

Oral presentation

Development of an advanced fabrication process; Oxidation of MOX raw powders and sintering property of the oxidized powders

Segawa, Tomoomi

no journal, , 

Oxidation behavior of MOX raw powders and sintering property of the pellets fabricated with oxidized powders were studied. Oxidation and reduction of M$$_{3}$$O$$_{8}$$ phase in oxidized powders and the influence of M$$_{3}$$O$$_{8}$$ phase on MOX pellets were evaluated. It was observed that the oxidation process had two steps. In the first oxidation step, the oxidation proceeds by the precipitation of M$$_{4}$$O$$_{9}$$ phase. In the second oxidation step, M$$_{3}$$O$$_{8}$$ phase precipitated. There were some cracks in the pellets fabricated with the powders containing M$$_{3}$$O$$_{8}$$ phase, but there were no cracks in the pellets fabricated with the powders free from M$$_{3}$$O$$_{8}$$ phase.

Oral presentation

Time resolved measurement of radiation-induced reactions in aqueous solutions containing silica particles by pulse radiolysis technique

Kumagai, Yuta; Nagaishi, Ryuji; Yamada, Reiji; Muroya, Yusa*; Katsumura, Yosuke*

no journal, , 

Radiation-induced reductions in aqueous solutions are promoted by addition of ceramic oxide particles. To study the mechanism of this effect, kinetics of transient species produced by irradiation of a short pulse of electron beam were measured by time-resolved absorption spectroscopy. As a model of oxide particles nano-sized colloidal silica solutions were prepared by sol-gel method and used in irradiation experiments. The results showed that colloidal silica is reactive with OH radical and inhibits oxidations by OH radical.

Oral presentation

Effect of Am on oxygen potential of fast reactor MOX fuel

Nakamichi, Shinya

no journal, , 

no abstracts in English

Oral presentation

Elucidation of precipitation condition of Si compound in the MOX fuel

Uchida, Teppei

no journal, , 

no abstracts in English

Oral presentation

Development of sulfuric acid decomposer made of SiC for IS process

Takegami, Hiroaki

no journal, , 

no abstracts in English

Oral presentation

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