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Featured researches published by Yoshiko Haruguchi.


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 | 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 | 2013

Solidified radioactive waste and method for manufacturing same

Shohei Kawano; Yoshiyuki Kawaharada; Masamichi Obata; Hirotada Hayashi; Yoshiko Haruguchi; Akio Sayano


MRS Proceedings | 2013

A study on Iodine Release Behavior from Iodine-Immobilizing Cement Solid

Yoshiko Haruguchi; Shinichi Higuchi; Masamichi Obata; Tomofumi Sakuragi; Ryota Takahashi; Hitoshi Owada


Archive | 2008

Manufacturing method for radioactive waste processing material, radioactive waste processing method, and radioactive waste backfilling method

Yoshiko Haruguchi; Masaaki Kaneko; Setsumi Kurosawa; Michitaka Mikura; Jiro Sakurai; Takeo Yamashita; 通孝 三倉; 雄生 山下; 佳子 春口; 次郎 櫻井; 昌章 金子; 節身 黒沢


Advances in Materials Science for Environmental and Energy Technologies II - Materials Science and Technology 2012 Conference, MS and T 2012 | 2013

Migration of Iodine Solidified in Ettringite into Compacted Bentonite

Kazuya Idemitsu; Yoshihiko Matsuki; Masanao Kishimoto; Yaohiro Inagaki; Tatsumi Arima; Yoshiko Haruguchi; Yu Yamashita; Michitaka Sasoh


Archive | 2010

Method and apparatus for treating radioactive waste liquid

Yoshiko Haruguchi; Kanae Matsuyama; Masaya Miyamoto; Soshi Okita; Takeo Yamashita; 真哉 宮本; 雄生 山下; 佳子 春口; 加苗 松山; 壮史 沖田


Atomic Energy Society of Japan | 2007

Development of a Zirconium Recycle Process from Zircaloy Waste of a Boiling Water Reactor (BWR)

Reiko Fujita; Hitoshi Nakamura; Yoshiko Haruguchi; Ryota Takahashi; Kazuhiro Utsunomiya; Mitsuyoshi Sato; Yasuhiko Ito; Takuya Goto; Takayuki Terai; Satoru Ogawa


Volume 4: Nuclear Safety, Security, and Cyber Security; Computer Code Verification and Validation | 2018

Development of Hydrogen Treatment System in Severe Accident: Part 4 — Study of Fission Products and Steam Effect on Hydrogen Treatment Characteristics

Akira Yamada; Motoshige Yagyu; Chikako Iwaki; Tsukasa Sugita; Yoshiko Haruguchi; Masashi Tanabe

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