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Journal Articles

Element distribution measurement in incineration ash using micro-PIXE analysis

Abe, Tomohisa; Shimazaki, Takejiro; Nakayama, Takuya; Osone, Osamu; Osugi, Takeshi; Nakazawa, Osamu; Yuri, Yosuke*; Yamada, Naoto*; Sato, Takahiro*

QST-M-2; QST Takasaki Annual Report 2015, P. 83, 2017/03

no abstracts in English

Journal Articles

Effects of salt content on leaching properties of synthetic bituminized wastes

Irisawa, Keita; Osone, Osamu; Meguro, Yoshihiro

Journal of Nuclear Science and Technology, 51(3), p.323 - 331, 2014/03

 Times Cited Count:4 Percentile:34.86(Nuclear Science & Technology)

We determined the leaching ratios and effective diffusion coefficients of water-soluble components (Na$$^{+}$$, NO$$_{3}$$$$^{-}$$, NO$$_{2}$$$$^{-}$$, SO$$_{4}$$$$^{2-}$$) in synthesized bituminized wastes by means of water leaching tests. Both leaching ratio and effective diffusion coefficient of the soluble component were consistent among all ionic species. This indicated that the effective diffusion coefficient for the synthesized bituminized wastes including 45wt% of the salt concentration did not depend on whether the ionic components were cations or anions or on the valence of the ion. This suggests that the interaction between the soluble components and the wall surface of the pores in the synthesized bituminized wastes was negligibly small. Moreover, the effective diffusion coefficient increased with increasing salt/bitumen ratio. We found that the effective diffusion coefficient of the soluble component was determined mainly by the salt/bitumen ratio.

Oral presentation

Oral presentation

Degradation of nitrate ion by reduction using precious metal catalyst, 9; Effect of reaction heat load on catalyst lifetime

Kadowaki, Haruhiko; Hanada, Keiji; Watanabe, Yoko; Osone, Osamu; Kato, Atsushi; Meguro, Yoshihiro

no journal, , 

no abstracts in English

Oral presentation

Effect of salt/bitumen ratio on properties of bituminized waste in contact with water

Irisawa, Keita; Osone, Osamu; Meguro, Yoshihiro

no journal, , 

no abstracts in English

Oral presentation

Application to radioactive waste of ferrite waste liquid treatment method; Study of the stability of the product by micro-PIXE analysis method

Abe, Tomohisa; Shimazaki, Takejiro; Nakayama, Takuya; Osone, Osamu; Osugi, Takeshi; Nakazawa, Osamu; Yuri, Yosuke*; Yamada, Naoto*; Sato, Takahiro*

no journal, , 

no abstracts in English

Oral presentation

Element distributions measurement in incinerated ash using micro-PIXE analysis

Abe, Tomohisa; Shimazaki, Takejiro; Nakayama, Takuya; Osone, Osamu; Osugi, Takeshi; Nakazawa, Osamu; Yuri, Yosuke*; Yamada, Naoto*; Sato, Takahiro*

no journal, , 

no abstracts in English

Oral presentation

Application of ferrite process to radioactive waste; Study of ferrite product stability by Micro-PIXE analysis

Abe, Tomohisa; Shimazaki, Takejiro; Osone, Osamu*; Osugi, Takeshi; Nakazawa, Osamu; Yuri, Yosuke*; Yamada, Naoto*; Sato, Takahiro*

no journal, , 

no abstracts in English

Oral presentation

Physical properties test for solidification strength and long-term stability of K-based alkali-activated materials

Kakuda, Ayaka; Osone, Osamu*; Hiraki, Yoshihisa; Osugi, Takeshi; Sone, Tomoyuki; Kuroki, Ryoichiro; Kudo, Isamu*; Elakneswaran, Y.*; Sato, Tsutomu*

no journal, , 

no abstracts in English

Oral presentation

Leaching test of lead-containing products generated as wastes

Sato, Junya; Osone, Osamu*; Saito, Toshimitsu*; Irisawa, Keita; Osugi, Takeshi; Sone, Tomoyuki

no journal, , 

no abstracts in English

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