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Abstract: This government report discusses the possibility of using crystalline silicotitanate (CST) as a method of removing cesium from radioactive waste tanks at a storage facility. Thermal conductivity is an important factor in this process as cesium emits thermal energy, the solution used to remove it must be able to manage it or hot spots could develop through the column. The thermal conductivity of CST-air and CST-average stimulant mixtures was measured over a range of increasing temperatures. Calculations from the literature were also used to predict thermal conductivity, predicted and experimental results corresponded well. The researchers concluded that wet CST thermal conductivity calculations were compromised due to latent heat effects.

Reference: Oak Ridge National Laboratory, Produced for US Department of Energy, November 2000

DOI: N/A