Method for Separating Cesium and Technetium
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United States of America Patent
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Feb 4, 2021
app pub date -
Feb 5, 2019
filing date -
Feb 5, 2018
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Abstract
The present invention relates to a method for separating cesium and technetium from radioactive waste, which method comprises the sublimation of cesium pertechnetate, and an apparatus for carrying out this method. The separation includes the steps of obtaining the two elements cesium and technetium together from the waste and subsequently separating the two elements from each other. The aim of the present invention is to significantly reduce the activity of radioactive solid waste and to use the obtained radionuclides in an economical and technical manner. Additionally, the method allows elements of cesium and technetium to be separated directly from the operation of a vitrification, sintering, drying, combustion, cementing, or calcinating plant, thus obviating additional problems when carrying out the process.
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