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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Chemically durable iron phosphate glass wasteforms
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Chemically durable iron phosphate glass wasteforms

机译：化学耐用的磷酸铁玻璃废料

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摘要

Up to 40 wt% of a simulated high level waste, whose major components were 54.6 wt% Na2O, 14.9 wt% P2O5 and 8.3 wt% Fe2O3, was successfully vetrified into iron phosphate wasteforms whose chemical durability was equivalent to that of borosilicate glass wasteforms. Because of their high fluidity, the iron phosphate wasteforms could be melted in as little as 30 min at temperatures between 1015 degrees C and 1200 degrees C. The addition of 3-7 wt% CaF2 to the batch decreased the melting time and temperature, by as much as 100 degrees C, and improved the chemical durability, especially for crystallized iron phosphate wasteforms. Iron phosphate wasteforms are concluded to be a practical alternative for vitrifying those nuclear wastes not well suited for borosilicate glasses. (C) 1998 Elsevier Science B.V. All rights reserved. [References: 16]
机译：多达40 wt％的模拟高放废物，其主要成分为54.6 wt％的Na2O，14.9 wt％的P2O5和8.3 wt％的Fe2O3，已成功地矿化为磷酸铁废料，其化学耐久性与硼硅酸盐玻璃废料相当。由于它们的高流动性，磷酸铁废料可在1015摄氏度至1200摄氏度之间的温度下在短短30分钟内熔化。向批料中添加3-7 wt％的CaF2减少了熔化时间和温度。高达100摄氏度，并改善了化学耐久性，特别是对于结晶的磷酸铁废料。结论是磷酸铁废料是使那些不太适合硼硅酸盐玻璃的核废料玻璃化的实用替代品。 （C）1998 Elsevier Science B.V.保留所有权利。 [参考：16]

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