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Volume 1: Low/Intermediate-Level Radioactive Waste Management; Spent Fuel, Fissile Material, Transuranic and High-Level Radioactive Waste Management | 2013

Development of Cement Solidification Process for Sodium Borate Waste Generated From PWR Plants

Hirofumi Okabe; Tatsuaki Sato; Yuichi Shoji; Yoshiko Haruguchi; Masaaki Kaneko; Michitaka Saso; Masumitsu Toyohara

A cement solidification process for treating sodium borate waste produced in pressurized water reactor (PWR) plants was studied. To obtain high volume reduction and high mechanical strength of the waste, simulated concentrated borate liquid waste with a sodium / boron (Na/B) mole ratio of 0.27 was dehydrated and powdered by using a wiped film evaporator. To investigate the effect of the Na/B mole ratio on the solidification process, a sodium tetraborate decahydrate reagent with a Na/B mole ratio of 0.5 was also used. Ordinary portland cement (OPC) and some additives were used for the solidificaiton. Solidified cement prepared from powdered waste with a Na/B mole ratio 0.24 and having a high sillica sand content (silica sand/cement>2) showed to improved uniaxial compressive strength.Copyright


Archive | 2000

Method for treating boron-containing waste

Masumitsu Toyohara; Tatsuaki Sato; Tetsuya Noda; Noriko Suzuki; Yoshinari Takamatsu


Archive | 2011

Processing method of material containing radioactive cesium and radioactive strontium

Yuki c Inoue; 由樹 井上; Michitaka Mikura; 通孝 三倉; Masaya Miyamoto; 真哉 宮本; Tatsuaki Sato; 龍明 佐藤; Reiko Fujita; 玲子 藤田; Yoshie Akai; 芳恵 赤井; Masahito Okamura; 雅人 岡村; Kanae Matsuyama; 加苗 松山; Toshiaki Sugimori; 俊昭 杉森; Hideki Nakamura; 秀樹 中村; Hitoshi Sakai; 仁志 酒井


Archive | 1999

Method of producing algae cultivating medium

Tatsuaki Sato; Shinya Miyamoto; Masumitsu Toyohara; Masaru Okamoto; Yoshinari Takamatsu


Archive | 1994

PROCESSING METHOD FOR RADIOACTIVE WASTE LIQUID

寛 岡部; Hiroshi Okabe; 金子 昌章; Masaaki Kaneko; 昌章 金子; 佐藤 龍明; Tatsuaki Sato; 龍明 佐藤; 哲郎 本橋; Tetsuo Motohashi; 俊昭 杉森; Toshiaki Sugimori; 里枝 新井; Rie Arai; 洋平 佐藤; Yohei Sato


Archive | 1999

Solidification processing method of radioactive waste

Yoshiko Haruguchi; Masaru Komatsubara; Michitaka Mikura; Masaya Miyamoto; Jiro Sakurai; Tatsuaki Sato; 通孝 三倉; 龍明 佐藤; 真哉 宮本; 勝 小松原; 佳子 春口; 次郎 櫻井


Archive | 2008

Method and device for solidifying radioactive waste

Yoshiko Haruguchi; Masaaki Kaneko; Michitaka Mikura; Masamichi Obata; Hitoshi Sakai; Tatsuaki Sato; Takeo Yamashita; 通孝 三倉; 龍明 佐藤; 政道 小畑; 雄生 山下; 佳子 春口; 仁志 酒井; 昌章 金子


Archive | 2001

Disposal method for radioactivated graphite and its system

Michitaka Mikura; Eiichi Murata; Kazuji Natsui; Tatsuaki Sato; Riyouta Takahashi; Naomi Toyohara; 通孝 三倉; 龍明 佐藤; 和司 夏井; 栄一 村田; 尚美 豊原; 陵太 高橋


Archive | 2008

METHOD FOR SOLIDIFYING WASTE LIQUID OF BORIC ACID

Takashi Aisaka; Masaaki Kaneko; Michitaka Mikura; Masaru Nishikubo; Tatsuaki Sato; Yuichi Shoji; Takeo Yamashita; Keijiro Yasumura; 通孝 三倉; 龍明 佐藤; 恵二郎 安村; 雄生 山下; 裕一 東海林; 貴司 相坂; 勝 西久保; 昌章 金子


Archive | 1997

Method and device for treating radioactive liquid waste

Masaaki Kaneko; Michitaka Mikura; Masaya Miyamoto; Tatsuaki Sato; Takao Takada; Masami Toda; Yumi Yaita; 三倉 通孝; 佐藤 龍明; 宮本 真哉; 矢板 由美; 遠田 正見; 金子 昌章; 高田 孝夫

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