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Oral presentation

Study on capillary electrophoresis with sample collection using highly emissive probes for analysis of actinide in radioactive wastes

Haraga, Tomoko; Hishinuma, Yukio*; Kaneta, Yui*; Ishimori, Kenichiro; Takahashi, Kuniaki

no journal, , 

no abstracts in English

Oral presentation

Development of recovery process of platinum-group metals from HLLW for stable production and volume reduction of homogeneous vitrified object, 18; Synthesis of ceramics support materials to impregnate with ferrocyanide and their sorption characteristics

Amamoto, Ippei; Kobayashi, Hidekazu; Ayame, Yasuo; Hasegawa, Yoshio*; Utsumi, Kazuo*; Takeshita, Kenji*; Inaba, Yusuke*; Onoe, Jun*; Koshizaka, Akiko*; Kaneta, Yui*

no journal, , 

no abstracts in English

Oral presentation

Desorption of cesium from clay mineral by ion exchange reaction using Structure-Making Ions

Kaneta, Yui*; Suzuki, Shinichi; Yaita, Tsuyoshi

no journal, , 

no abstracts in English

Oral presentation

Development of strontium adsorption by clay mineral using molten salt method

Honda, Mitsunori; Kaneta, Yui; Yaita, Tsuyoshi

no journal, , 

no abstracts in English

Oral presentation

Desorption of cesium from clay minerals by repetitive chemical processing

Kaneta, Yui; Yokoyama, Keiichi; Yaita, Tsuyoshi

no journal, , 

no abstracts in English

Oral presentation

Investigation of thermoelectric materials for low environmental load by molten salt electrochemistry based on soil clay minerals

Honda, Mitsunori; Goto, Takuya*; Kaneta, Yui; Yaita, Tsuyoshi

no journal, , 

We have been investigating the restoration of the environment in Fukushima. One of the issues to be solved is the removal of cesium from the soil of Fukushima. As we studied the technology to remove cesium from the soil of Fukushima, we thought that the reclamation could be accelerated by adding new functions (e.g., thermoelectric properties) to the clay minerals after removal. Soil clay minerals are composed of Si, Al, Fe, etc., and are low environmental load materials. Soil clay minerals were reduced by molten salt electrochemistry and their properties were investigated. Thermal diffusivity measurements showed no temperature dependence in the untreated sample, while the temperature dependence was significantly different in the case of -1.4 V molten salt electrolysis treatment.

Oral presentation

Investigation of hydration and adsorption structures of radium by EXAFS

Yamaguchi, Akiko; Nagata, Kojiro*; Tanaka, Kazuya; Kobayashi, Keita; Okumura, Masahiko; Kobayashi, Toru; Shimojo, Kojiro; Tanida, Hajime; Sekiguchi, Tetsuhiro; Kaneta, Yui; et al.

no journal, , 

no abstracts in English

Oral presentation

Investigation of hydration and adsorption structures on clay minerals of radium

Yamaguchi, Akiko; Nagata, Kojiro*; Tanaka, Kazuya; Kobayashi, Keita; Okumura, Masahiko; Kobayashi, Toru; Shimojo, Kojiro; Tanida, Hajime; Sekiguchi, Tetsuhiro; Kaneta, Yui; et al.

no journal, , 

no abstracts in English

Oral presentation

Thermoelectric properties of soil clay minerals treated by molten salt electrolysis

Honda, Mitsunori; Kaneta, Yui; Muraguchi, Masakazu*; Hayakawa, Kosetsu*; Oda, Masato*; Iino, Chiaki*; Ishii, Hiroyuki*; Goto, Takuya*; Yaita, Tsuyoshi

no journal, , 

Ten years have passed since the earthquake and nuclear power plant accident at 1F that occurred in 2011, and the contaminated soil generated in Fukushima Prefecture is now being managed as removed soil at intermediate storage facilities. In the course of developing technology to remove cesium from the removed soil, we have focused on the functionality of crystalline minerals after removal of cesium, and have been investigating their potential as thermoelectric materials. In this study, we report on the evaluation of thermoelectric properties (electrical conductivity, thermal diffusivity, and Seebeck coefficient) and structural analysis of crystalline minerals.

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