Advanced Radioactive Material Removal System by Silver Zeolite

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Other Title
  • 銀ゼオライトによる放射性物質除去システムの高度化
  • (3) Performance of AgX Filters Under High Temperature, High Pressure, and Presence Inhibitors
  • （3）AgXフィルターの高温高圧下及び阻害物質存在下での性能

Abstract

<p>In the filter vent, a technology to remove various radioactive substances by combining scrubber and metal fiber is used, but there was no example in the world until the iodine filter of silver zeolite was installed in Japan. This silver zeolite filter is required to function under high temperature, high humidity and high pressure in an accident. In addition, it is necessary to examine the influence of moisture adsorption, hydrogen and inhibitors. The methyl iodide adsorption performance of AgX and AgR was evaluated under the following conditions: 100% water vapor, temperature 105 to 160℃, pressure 1.2 to 6.0 bar, and gas velocity 0.2 to 0.5 m/s. Furthermore, the effect of inhibitors (CO, SO2, HCl) on the adsorption performance of methyl iodide of AgX was also evaluated.</p>

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