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Journal Articles

The Behavior of radiolytically produced hydrogen in a high-level liquid waste tank of a reprocessing plant; Hydrogen concentration in the ventilated tank air

Kinuhata, Hiroshi*; Shirato, Yoji; Tomiyama, Masahiro; Kodama, Takashi*; Nakano, Masanao*; Yasuda, Takeshi; Tsutagi, Koichi; Yoshino, Yasuyuki; Nakamura, Yoshinobu; Tamauchi, Yoshikazu*; et al.

Nuclear Technology, 189(2), p.122 - 132, 2015/02

https://doi.org/10.13182/NT14-11
 Times Cited Count：5 Percentile：34.81(Nuclear Science & Technology)

We reported that H$$_{2}$$ formed in simulated high-level liquid waste (SHLLW) by $$^{60}$$Co $$gamma$$-irradiation is consumed due to the catalytic effect of the Pd ion, and derived equations to learn the gas-phase H$$_{2}$$ concentration in a tank in case of a sweeping air function loss. In order to confirm that such quantitative treatment is applicable to actual high-level liquid waste (HLLW), we measured the H$$_{2}$$ concentration in the ventilated air of HLLW tanks of the Tokai Reprocessing Plant and compared it with that derived from the SHLLW results.

JAEA Reports

Facility damages by the explosion

; Omori, Eiichi; Kato, Yoshiyuki; Suzuki, Hiroshi; Shimoyamada, Tetsuya; Tomiyama, Masahiro; Shimokura, Mitsuharu; Sakuraba, Terumi; Morimoto, Kyoichi; Hagiwara, Masayoshi; et al.

PNC TN8410 98-013, 1028 Pages, 1998/01

PNC-TN8410-98-013.pdf:143.04MB

None

Oral presentation

Reinforcement of safety measures for the earthquake disaster of the Tokai Reprocessing Plant

Kuroda, Yasuji; Kurabayashi, Kazuaki; Otani, Takehisa; Tomiyama, Masahiro; Miura, Takatomo; Namatame, Toshihiro

no journal, , 

It was based on teachings of the Fukushima Daiichi Nuclear Power Plant accident, and the view and concrete measure against security were arranged supposing major accidents, such as all the power supply loss by the earthquake and tsunami, about decay heat removal, such as highly radioactivity waste fluid in the Tokai reprocessing facility, and plutonium solution, and the measure against hydrogen exhaust gas. Moreover, while verifying the validity of safety measures, an example of verification of the data used for safety evaluation was shown.

Oral presentation

Measurement and analysis of radiolytically generated hydrogen from HALW, 1; Measurement and evaluation of the hydrogen concentration in the vessel off-gas

Tomiyama, Masahiro; Yasuda, Takeshi; Tsutagi, Koichi; Yoshino, Yasuyuki; Shirato, Yoji; Nakamura, Yoshinobu; Kinuhata, Hiroshi*; Kodama, Takashi*; Nakano, Masanao*; Tamauchi, Yoshikazu*; et al.

no journal, , 

no abstracts in English

Oral presentation

Operation management of vessel off-gas treatment system in HALW storage process at the Tokai reprocessing plant

Tsutagi, Koichi; Yoshino, Yasuyuki; Aoyama, Kazuaki; Tomiyama, Masahiro; Uchida, Toyomi; Nakamura, Yoshinobu

no journal, , 

no abstracts in English

Oral presentation

Measurement and analysis of radiolytically generated hydrogen from HALW, 2; Comparison of measured hydrogen concentration and its estimation

Kinuhata, Hiroshi*; Kodama, Takashi*; Nakano, Masanao*; Tamauchi, Yoshikazu*; Matsuoka, Shingo*; Tomiyama, Masahiro; Yasuda, Takeshi; Tsutagi, Koichi; Yoshino, Yasuyuki; Shirato, Yoji; et al.

no journal, , 

no abstracts in English

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