分子法レーザーウラン濃縮施設における転用経路の特異性

概要

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Since a new uranium enrichment technique by a molecular laser isotope separation (MLIS), which will be commercialized in the future, has been developing vigorously in many countries, it is necessary to investigate a methodology of safeguards approach to a MLIS enrichment facility. The purpose of this study is to analyze basic diversion strategies and then to discuss the uniqueness of diversion paths in comparison with those of a gas centrifuge enrichment facility. Results of this study were as follows; (1) Because of a large separation factor and very short holding time, a diversion rate at the MLIS enrichment facility was larger than one at the gas centrifuge enrichment facility. (2) UF_5 fine particles were likely to be adsorbed on the inside wall of multi-jet impactor, so that they might be accounted as an uncertainty associated with MUF in a collection process. (3) Furthermore, from a safeguards point of view, care should be taken to note that depleted uranium stored on the site was reusable as feed materials to produce high enriched uranium.
東海大学の論文