| 摘要 |
PROBLEM TO BE SOLVED: To provide a new radioactive substance remover capable of preventing sludge slurry as processing waste, efficiently removing a radioactive substance, extending a service life, and suitably processing radioactive contaminated water with large sodium content such as seawater.SOLUTION: A granular radioactive substance remover includes porous body granular material containing alginic acid alkaline earth metal salt and radioactive substance removing function substance as a base particle. The base particle contains alginic-acid metal salt of metal in which an ionization tendency is smaller than sodium, at least on a surface layer part. |
