DIO-POLYMER COMPOSITION, MANUFACTURING METHOD THEREFOR, AND MANUFACTURING METHOD FOR DIO-POLYMER HARDENING BODY

• Main Authors: KINOSHITA TETSUICHI, KIYOMURA SHUNSUKE, ASADA MOTOYUKI, NAKAJIMA HITOSHI, YODA YUYA
• Format: Patent
• Language: English; Japanese
• Published: 18.11.2021
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DECONTAMINATION ARRANGEMENTS THEREFOR; LIME, MAGNESIA; METALLURGY; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; PHYSICS; PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT; REFRACTORIES; SLAG; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; TREATMENT OF NATURAL STONE

To provide a dio-polymer composition in which elution of cesium is suppressed in a case of solidifying a low-level radioactive waste, a manufacturing method therefor, and a manufacturing method for a dio-polymer hardening body.SOLUTION: A dio-polymer composition contains fly ash, slag, a low-level radioactive waste, an alkali metal hydroxide, and water, where a total amount of the alkali metal hydroxide is derived from an aqueous solution of alkali metal hydroxide having a concentration of 5 g/100 mL or less.SELECTED DRAWING: None 【課題】低レベル放射性廃棄物を固化した場合のセシウムの溶出が抑制されたジオポリマー組成物、その製造方法及びジオポリマー硬化体の製造方法の提供。【解決手段】フライアッシュと、スラグと、低レベル放射性廃棄物と、アルカリ金属水酸化物と、水と、を含むジオポリマー組成物であって、前記アルカリ金属水酸化物の全量は、濃度が５ｇ／１００ｍＬ以下のアルカリ金属水酸化物の水溶液に由来する、ジオポリマー組成物。【選択図】なし