Thanks to Sandia technology, radioactive material from more than 43 million gallons of contaminated wastewater have been removed at Japan’s damaged Fukushima Daiichi nuclear power.
Sandia developed a technology that uses crystalline silico-titanate, or CST, as a molecular sieve that can separate highly volatile elements from radioactive wastewater.
The CSTs were developed in the early 1990s response to a need for materials to remove radioactive contaminants from wastewater. During that time, researchers found that a certain class of synthetic zeolite is more effective in capturing some radioactive elements, like cesium, than other technologies.
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Crystalline silico-titanate, or CST, is an inorganic molecular sieve that can capture and separate highly volatile elements from radioactive wastewater.