[1K05-08] Source term and Filtered Vent

[1K08] Development of a high efficiency multi-nuclide aerosol filters for radiation protection during a process of cutting core

(3)Investigation of Capture Mechanism of Metal-Fiber Filter and Measurement of Decontamination Factor

*Tadashi Narabayashi¹, Akinori Ishii¹, Go Chiba¹, Masanobu Sato², Takao Masuda¹ (1. Hokkaido University, 2. Tohoku University)

Keywords:cutting core debris, Fukushima Daiich NPP, aerosol filters, radiation protection

A metal fiber filter diameter is the key module of the high efficiency multi-nuclide aerosol filters for radiation protection. By changing a diameter of fibers and filling factor of metal fibers, the decontamination-factor was measured and absorption mechanism was investigated.