Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Hirofumi Okabe

Yohei Sato

Ryo Yamamoto

Masaaki Kaneko

Tatsuaki Sato

Hideki Nakamura

Toshiaki Sugimori

Yuichi Shoji

Tetsuo Motohashi

Rie Arai

Chiaki Namiki

Kanae Kawauchi

Fumi Takahashi

Keijiro Yasumura

Yoshiko Haruguchi

This geopolymer molding production method comprises: a mixing step (S1) for mixing a first material containing aluminum and silicon with a hydrate of an alkali stimulant containing a hydrate of an alkaline hydroxide and/or a hydrate of an alkaline silicate; a compaction step (S2) for compacting the mixture obtained in the mixing step (S1) into a compacted mixture; and a curing step (S3) for curing the compacted mixture.

Geopolymer molding production method and geopolymer molding production system

A method for processing a radioactive liquid waste containing boron of the present invention includes: a molar ratio control step of adding an alkali metal or an alkali metal compound to a radioactive liquid waste containing boron to control an alkali metal/boron molar ratio in the radioactive liquid waste to be 0.8 or more; a drying step of drying the radioactive liquid waste having the controlled molar-ratio using a dryer to form a powdered waste; a dissolving step of mixing the powdered waste with kneading water to prepare a solution; and a kneading step of adding a hydraulic inorganic solidifying material to the solution, and kneading the hydraulic inorganic solidifying material and the solution for solidification.

Method for processing radioactive liquid waste

Growing community of inventors

Kawasaki, Japan

Hirofumi Okabe