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Waste management strategies for fusion materials

H. Dworschak, P. Rocco, M. Zucchetti1995年Fusion Engineering and DesignIF 1.7出版社

AbstractManagement aspects of fusion waste are presented. Conditioning and packaging of tritiated waste must cope with the high mobility of tritium. The first required treatment is immobilization of the waste in solid matrices. Additional barriers against tritium migration are provided by encapsulating layers. Packaging is afforded by single or double-walled structures. Low activation materials (LAMs) are being developed to simplify the management of fusion activated waste. Interim storage of this waste is envisaged at the plant site, then various options are possible, depending on the residual radioactivity levels, i.e. declassification to non-active-waste, recycling, disposal.

日本語訳

核融合廃棄物の管理に関する側面を提示する。トリチウムを含む廃棄物の調整および封入は、トリチウムの高い移動性に対処しなければならない。最初に必要とされる処理は、廃棄物の固体マトリックスへの固定化である。トリチウムの移行に対する追加のバリアは、封入層によって提供される。封入は、単層または二重壁構造によって提供される。低放射化材料(LAM)は、核融合により活性化された廃棄物の管理を簡素化するために開発が進められている。この廃棄物の中間貯蔵は、発電所サイトで想定されており、その後、残留放射能レベルに応じて、非放射性廃棄物への分類解除、リサイクル、処分といった様々な選択肢が可能となる。

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