Titanium Oxide Solidified Body Absorbs and Stably Confines a Large Amount of Cesium

NIMS successfully created a new material being capable of absorbing high concentrations of cesium and stably confining the absorbed one for a long time.
A titanium dioxide （TiO2）was used as a solidified body to absorb cesium. The titanium oxide of 1 cm3 is capable of absorbing the amount of cesium contained in a cesium aqueous solution of 100 tons, which contains 10 ppb of cesium, and stably confining the same therein. The titanium oxide solidified body is throughout prepared under normal pressure.
This leads to size reduction and construction simplification of the disposal equipment when the titanium oxide solidified body is applied to the radioactive cesium disposal. Fukushima nuclear reactor accident still continues but the radiation leak is almost stopped. Cesium 137: Radioisotope of cesium, around 30 years as its half-life, emitting radiation, and high chance of suffering from cancer when it enters the body.
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