銀ゼオライトを用いたFCVSの高度化

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書誌事項

タイトル別名
  • Advanced Radioactive Material Removal System by Silver Zeolite
  • (14) Evaluation of noble gas adsorption characteristics by XeA
  • (14) XeAによる希ガス吸着特性の評価

抄録

<p>Of the radioactive substances generated during a nuclear accident, noble gas is difficult to remove, so a noble gas hold-up system using activated carbon is applied, and it is released after waiting for the decay of radioactivity. We have developed a silver zeolite "XeA" as a noble gas adsorbent to replace activated carbon, and evaluated its noble gas retention performance. As a result, it was found that the xenon holding time under dry air was 480 minutes for XeA compared to 6 minutes for activated carbon, and XeA had 80 times the holding performance of activated carbon. From this, there is a possibility that the existing system using activated carbon can be reduced to 1/80 size. We also propose a system that uses this XeA in combination with a filter that does not transmit xenon.</p>

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