[1A05-08] 1F waste characterization

11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[1A07] Characterization of radioactive samples at Fukushima Daiichi NPS site(9)Analysis 129I and 14C of spent silver-impregnation zeolite adsorbents in the cesium adsorption systems (KURION)

*Susumu Kurosawa¹, Masashi Ichikawa¹, Masaaki Kaneko¹, Hirotaka Shimizu¹, Ayako Nitta², Keiichi Ohki², Yoshikazu Koma² (1. Nippon Nuclear Fuel Development Co., Ltd., 2. Japan Atomic Energy Agency)

Keywords:

Fukushima Daiichi Nuclear Power Station,Cesium Adsorption System (KURION),Silver-Impregnation Zeolite Adsorbent,I-129,C-14

In the cesium adsorption systems “KURION”, silver-impregnated zeolite adsorbents were used to treat radioactive iodine. The ¹²⁹I have very long half-lives in radioactive iodine, its evaluation of radioactive concentration is important for the assessment of disposal classification. In this work, ¹²⁹I in the spent silver-impregnation zeolite adsorbents were analyzed. Also, we analyzed ¹⁴C, which is an important radionuclide due to its long half-life in the evaluation of disposal classification.