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※ 半角英数字
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研究施設等廃棄物の埋設事業について

Status of technical development for near surface disposal of radioactive waste generated from research facilities, etc.

坂井 章浩 

Sakai, Akihiro

日本原子力研究開発機構は、研究施設等廃棄物の埋設処分の実施主体として、ピット処分及びトレンチ処分の埋設事業の計画を進めている。本報告では、原子力機構が計画している埋設処分事業について、(1)研究施設等廃棄物の発生施設や放射能インベントリの特徴と想定しているピット処分及びトレンチ処分施設の構造、(2)埋設処分するための主な性状の廃棄物の受入基準の検討状況、(3)2021年に整備されたウラン廃棄物の埋設処分に係る基準の考え方の内容を紹介した。

The Japan Atomic Energy Agency (JAEA) is promoting the project for concrete-vault disposal and landfill-type disposal of radioactive waste generated from research facilities, etc. This report introduces current status of technical development for JAEA's disposal project as following items; (1) kinds of research facilities and characteristics of radioactivity inventory of the waste, (2) the structures of the disposal facilities which JAEA conceptually designed, (3) development of waste acceptance criteria for major radioactive waste for the JAEA disposal facilities, (4) the concept of the criteria for disposal of uranium bearing waste, that has been established in 2021.

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