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; Murata, Eiichi*; Sawahata, Yoshikazu*; Saito, Akira*
JNC TN8430 2001-002, 43 Pages, 2001/02
JNC-TN8430-2001-002.pdf:1.98MB
Japan Nuclear Cycle Development Institute (JNC) is designing the Low level radioactive Waste Treatment Facility (LWTF) in the Tokai Reprocessing Plant (TRP). The low level liquid waste generated the TRP is separated salt (NaNO
, etc) and radionuclide in liquid treatment process of LWTF. The process can get higher volume reduction than previous bituminization. Based on the engineering tests equal to the liquid treatment process of LWTF, the validity of operational condition in LWTF is evaluated. As the results, it is confirmed that all operational condition in the processes which is Iodine immobilization, Pre-filter filtration, Pre-treatment, Coprecipitation and Ultrafiltration are available.
Sato, Fuminori; Matsushima, Ryotatsu; Ito, Yoshiyuki; Saito, Yasuo
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no abstracts in English
Sato, Fuminori; Matsushima, Ryotatsu; Ito, Yoshiyuki; Saito, Yasuo
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Koshino, Katsuhiko; Takano, Masato; Sato, Fuminori; Saito, Yasuo
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no abstracts in English
Matsushima, Ryotatsu; Takano, Masato; Atarashi, Daiki*; Saito, Yasuo
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no abstracts in English
Takahashi, Kiyofumi; Matsushima, Ryotatsu; Sato, Fuminori; Saito, Yasuo
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no abstracts in English
Sato, Fuminori; Kataoka, Shoji; Matsushima, Ryotatsu; Terunuma, Tomomi
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no abstracts in English
Matsushima, Ryotatsu; Takahashi, Kiyofumi; Saito, Yasuo; Kikuchi, Yukihiro*; Atarashi, Daiki*; Shirozu, Hidetomo
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Low Active Waste Treatment Development Facility (LWTF) is planning to solidify the cement waste liquid generated at the Tokai Reprocessing Facility. In the previous report, it has been shown that the carbonate waste liquid can be solidified by conducting a solidification test on the waste liquid simulating the carbonate waste liquid containing sodium carbonate and sodium nitrate. On the other hand, it is expected that sodium sulfate will coexist as a foreign substances in the carbonate waste liquid, even though it is a trace amount, and it has been confirmed that there is no effect of sodium sulfate coexists in beaker-scale test. In this report, a actual-scale test is carried out, confirm that there is no effect when sodium sulfate coexists, and the results is reported. It was confirmed that the presence or absence of sodium sulfate in the waste liquid had no effect on the fluidity of the sample after kneading, the compressive strength of the sample after curing, etc., and thus had no effect on the solidified body properties.
Sato, Fuminori; Kataoka, Shoji; Suzuki, Tatsuya*; Miyabe, Shinsuke*; Sakuma, Takashi*; Shirozu, Hidetomo
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Cs and Sr adsorbents used in LWTF is studied. In this report results of the Cs and Sr adsorption tests were analyzed and examined for application to LWTF.