SOLIDIFYING-AGENT COMPOSITION CONTAINING ALUMINA CEMENT FOR SOLIDIFYING RADIOACTIVE WASTE AND METHOD FOR SOLIDIFYING RADIOACTIVE WASTE USING SAME

摘要

The present invention relates to a solidifying agent for solidifying radioactive waste, and the solidifying-agent composition for solidifying radioactive waste of the present invention comprises alumina cement and a gypsum powder. According to the present invention, a solidifying-agent composition containing alumina cement and a gypsum powder is provided, leading to an effect of minimizing the volume increase of a radioactive waste solidified body at a level that meets physical and chemical safety regulations in the solidification treatment of radioactive waste.