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; Kondo, Toshiyuki; *
JNC TN8450 2001-005, 255 Pages, 2001/08
JNC-TN8450-2001-005.pdf:97.96MB
Low radioactive liquid wastes (LLW) from Tokai Reprocessing Plant were mixed and solidified with bitumen in the Bituminization Demonstration Facility (BDF). In the facility, the treatment operation was started from 1982, and it had been continued until the fire and explosion incident occurred on March 11, 1997. The LLW of 7,438 m
were processed and the bituminized products of 29,967 drums were manufactured in the BDF for about 15 years. The process information of the bituminized products is important for fixing the technology indicator of bituminized products in the disposal. The bituminized products data, that is the inventory of the bitumen quantity, the salt quantity, the radionuclide concentration and so on in the drum, are saved in the main computer of O-arai Engineering Center and the personal computer of the Waste Condition Section. This report summarize the bituminized product data in the list. In addition, if you want to know the manufacture review in the BDF, please refer to "Manufacture Review of the Bituminized Products for Research and Development Program".
Takeuchi, Masayuki; Kubota, Masahiro; Hoshi, Masayuki; Sakauchi, Nobuyuki; Nakajima, Yasuo; Uchiyama, Gunzo; Nojima, Yasuo*; Fujine, Sachio*
no journal, ,
no abstracts in English
Sano, Yuichi; Takeuchi, Masayuki; Hoshi, Masayuki; Sakauchi, Nobuyuki; Hirano, Hiroyasu; Uchiyama, Gunzo; Nojima, Yasuo*; Fujine, Sachio*
no journal, ,
no abstracts in English
Sano, Yuichi; Takeuchi, Masayuki; Hoshi, Masayuki; Sakauchi, Nobuyuki; Hirano, Hiroyasu; Uchiyama, Gunzo; Nojima, Yasuo*; Fujine, Sachio*
no journal, ,
no abstracts in English
Ambai, Hiromu; Sano, Yuichi; Takeuchi, Masayuki; Hoshi, Masayuki; Sakauchi, Nobuyuki; Aose, Shinichi; Ogino, Hideki
no journal, ,
no abstracts in English
Ambai, Hiromu; Sano, Yuichi; Takeuchi, Masayuki; Sakauchi, Nobuyuki; Hoshi, Masayuki; Ogino, Hideki; Aose, Shinichi
no journal, ,
As a part of studies on corrosion resistance of storage tanks for flock generated in the coagulation process for radioactive contaminated water from the Fukushima Daiichi Nuclear Power Plant, several corrosion tests considering the radiation and the contact with flock were carried out with SS400 in the settling condition. Average corrosion rates of SS400 were around 0.1mm/y and severe corrosion including local corrosion was not observed.
Ambai, Hiromu; Sano, Yuichi; Takeuchi, Masayuki; Sakauchi, Nobuyuki; Hoshi, Masayuki; Ogino, Hideki; Koizumi, Kenji
no journal, ,
We studied the corrosion behavior of the tank material SS400 for flock storage in fluid flow condition by air agitation. Fluid flow increased the corrosion rate and this effect was reduced by the presence of the flock. Decreasing of flow rate and change of air to inactive gas are effective in corrosion prevention measures.