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首页> 美国政府科技报告 >Origin and characteristics of low-level nontransuranic waste from the nuclear fuel cycle
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Origin and characteristics of low-level nontransuranic waste from the nuclear fuel cycle

机译：核燃料循环中低水平非超铀废物的起源和特征

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Low-level nontransuranic wastes are generated in all nuclear fuel cycle operations. While the activity levels and radiotoxicities of these effluents are generally of a lower magnitude than other fuel cycle wastes, their large volumes and their appearance throughout the fuel cycle make their management a very real concern regardless of the fuel cycle option being considered. Low-level nontransuranic wastes are defined here as wastes that contain less than about 10 nCi of long-lived alpha radiation per gram and have gamma radiations low enough to require only minimal biological shielding and remote handling. Wastes from uranium mining and milling, UF/sub 6/ conversion, enrichment, fuel fabrication, and fuel reprocessing are examined with respect to their radionuclide content, volume, and chemical composition. Projections of total quantities through the end of this century are also presented. Fuel cycles based on recycling only uranium, and on recycling both uranium and plutonium, are considered.

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