ADVANCED RADIOACTIVE MATERIAL REMOVAL SYSTEM USING SILVER ZEOLITE (4) IMPROVED PERFORMANCE OF METAL FIBER FILTERS

Masaki Nagashio; Tadashi Narabayashi; Yasuhiro Kawahara; Sanshiro Kobayashi; Yoshihiro Ishikawa; Koji Endo

doi:10.1299/jsmeicone.2023.30.1606

2023.30

Session ID : 1606

DOI https://doi.org/10.1299/jsmeicone.2023.30.1606

Conference information

Host: The Japan Society of Mechanical Engineers

Name : The 30th International Conference on Nuclear Engineering (ICONE30)

Date : May 21, 2023 - May 26, 2023

ADVANCED RADIOACTIVE MATERIAL REMOVAL SYSTEM USING SILVER ZEOLITE (4) IMPROVED PERFORMANCE OF METAL FIBER FILTERS

Masaki Nagashio, Tadashi Narabayashi, Yasuhiro Kawahara, Sanshiro Kobayashi, Yoshihiro Ishikawa, Koji Endo

Author information

Keywords: Filtered Containment Venting System (FCVS), Air purification system, Metal fiber filter, Wire diameter, Multi-layer filter, Decontamination factor (DF), Particle size distribution

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Abstract

Through the research of Filtered Containment Venting System (FCVS), air purification methods have been developed, such as technologies of scrubbing, metal fiber, silver zeolite and mobility. Using these technologies, we have been studying the further improvement of air purification systems in the nuclear field. In this study, we conducted adsorption experiments using several metal fiber filters and evaluated the effect of the metal fiber wire diameter on the decontamination factor (DF). It was found that metal fibers with fine wires made a significant contribution to the removal of materials with minute particles.

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