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Sato, Junya; Takahashi, Yuta; Sunahara, Jun*; Saito, Toshimitsu*; Yoshida, Yukihiko; Sone, Tomoyuki; Osugi, Takeshi
Progress in Nuclear Science and Technology (Internet), 8, p.307 - 312, 2025/09
Tsuji, Tomoyuki; Sugitsue, Noritake; Sato, Fuminori; Matsushima, Ryotatsu; Kataoka, Shoji; Okada, Shota; Sasaki, Toshiki; Inoue, Junya
Nihon Genshiryoku Gakkai-Shi ATOMO
, 62(11), p.658 - 663, 2020/11
no abstracts in English
Sato, Yoshiyuki; Aono, Ryuji; Haraga, Tomoko; Ishimori, Kenichiro; Kameo, Yutaka
JAEA-Testing 2019-003, 20 Pages, 2019/12
JAEA-Testing-2019-003.pdf:2.08MB
In the Radioactive Waste Management Technology Section, the radioactive liquid waste generated in the test using natural uranium in the past has been stored based on the contents of permission. Although we decided to perform solidification treatment in order to reduce the risk in storage, no rational treatment method has been established so far. Therefore, we examined adsorption treatment of natural uranium using uranium adsorbent (Tannix), and finally stabilized treatment by cement solidification. The treatment methods and findings obtained for a series of operations in waste liquid treatment are summarized in this report for reference when treating similar liquid waste.
Numakunai, Takao;
Genshiryoku Kogyo, 32(9), p.74 - 79, 1986/00
no abstracts in English
Hanaki, Shotaro; Morita, Sakura; Maruyama, Shumpei; Hojo, Yuki; Nagahama, Aoi; Kudo, Isamu; Sato, Junya; Tabata, Koichi; Soejima, Goro; Nakamura, Yasuyuki
no journal, ,
Waste packages are needed to satisfy the waste acceptance criteria (WAC) set by the landfill site. To produce sound waste packages that meet such criteria as uniaxial compressive strength and porosity, it is necessary to establish the range of parameters such as mixing time, rotation speed of mixing blade, and amount of cement. This presentation reports on the Beaker scale cold test conducted to determine the cement-to-waste ratio (C/W) which affects the number of waste packages produced and uniaxial compressive strength.
Morita, Sakura; Hanaki, Shotaro; Maruyama, Shumpei; Hojo, Yuki; Nagahama, Aoi; Kudo, Isamu; Soejima, Goro; Nakamura, Yasuyuki; Kuroki, Ryoichiro
no journal, ,
The concentrated liquid waste of Fugen (ATR) is planned to be mixed and solidified using a cement mixing and solidification unit. In this facility, the concentrated liquid waste and cement as the solidification material, are mixed in the mixer and then filled into drums as the disposal containers, to produce a homogeneous and uniform waste package. The facility is being installed onsite with plans to begin service in 2026. This presentation reports on the overview of the solidification facilities and plans for putting it into service.
