| 摘要 |
PROBLEM TO BE SOLVED: To provide a decontamination method for soil contaminated with a radioactive substance, with improved efficiency of decontaminating radioactive cesium 134 and radioactive cesium 137.SOLUTION: At least one of a chloride, a sulfate, and an iron cyanide selected from a group consisting of a potassium chloride, a potassium sulfate, a magnesium sulfate, a copper sulfate, and a potassium ferrocyanide that includes both of potassium and iron are dissolved in water to be immersed in a porous particle carbonated burned product that is formed from paper sludge, and is mixed with soil contaminated with a radioactive substance so as to cause an ion-exchange with radioactive cesium 134 and radioactive cesium 137.SELECTED DRAWING: None |
