Title:
固化剤及び固化処理方法
Document Type and Number:
Japanese Patent JP5308252
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cement solidifying treatment method for a radioactive waste, which has a large treatment capacity of a radioactive waste containing nitrates.SOLUTION: The solidifying agent includes the following features (1) to (4). (1) The solidifying agent contains a cement composition. (2) The cement composition contains calcium aluminosilicate. (3) The chemical composition of calcium aluminosilicate has 35 to 55 parts of CaO, 20 to 45 parts of AlO, and 5 to 30 parts of SiOin the total of CaO, AlOand SiO. (4) The use of the solidifying agent is for solidification of a nitrate solution. The solidifying agent may contain silica fume, slag, saccharides and a hardening agent. There are also provided a solidifying treatment method including solidification of a nitrate solution, and a solidified body obtained by the solidification by the solidifying treatment method.
Inventors:
Taiichiro Mori
Takayuki Higuchi
Takashi Sasaki
Hideo Ishida
Yoshino Ryoetsu
Takayuki Higuchi
Takashi Sasaki
Hideo Ishida
Yoshino Ryoetsu
Application Number:
JP2009157351A
Publication Date:
October 09, 2013
Filing Date:
July 01, 2009
Export Citation:
Assignee:
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
International Classes:
C04B7/32; C04B7/345; C04B28/02; G21F9/16; C04B18/14; C04B22/08; C04B24/38
Domestic Patent References:
| JP8285995A | ||||
| JP2008013426A | ||||
| JP2049197A | ||||
| JP2008020333A |