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$$gamma$$線照射時のゼオライト層での放射線分解ガス挙動

Behavior of radiolytic gas in zeolite bed under $$gamma$$-ray irradiation

本岡 隆文; 山岸 功

Motooka, Takafumi; Yamagishi, Isao

ゼオライトIE96と人工海水(ASW)の混合物を試験管に投入し、Co-60$$gamma$$線を照射した。ゼオライトが人工海水に全浸水したケースでは、ゼオライト位置はわずかに上昇し(1.8%)、ゼオライト層上に人工海水層が形成された。線量増大とともに人工海水層の厚みは増大した。一方、排水後のゼオライト保管容器内を模擬したケースでは、ゼオライト層の位置変化はなかった(0.0%)。

Mixtures of zeolite IE96 and artificial seawater (ASW) were poured in cylindrical tubes, and irradiated by Co-60 $$gamma$$-rays. In the case of a zeolite bed which was fully immersed in ASW, the zeolite bed level increased slightly (1.8%) and an ASW phase formed onto the bed. The ASW level increased with the irradiation dose. In the case of a partial immersion, which simulates a drained zeolite vessel, the zeolite bed level was un-changed (0.0%).

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