耐火材料的选择对放射性核废料的玻璃化过程是至关重要的,本文采用动态耐火材料腐蚀速度技术比较了铁磷模拟放射性核废料熔体和硼硅酸盐熔体DWPF的腐蚀性质,测量在1000至1300℃之间进行.在铁磷熔体中,致密氧化铝和氧化铬耐火材料有最低的熔线腐蚀速度,二氧化硅、锆英石和AZS耐火材料的腐蚀速度比较高 . 同时,氧化铝和氧化铬耐火材料在铁磷熔体中的腐蚀速度小于它们在硼硅酸盐熔体DWPF中的腐蚀速度.对氧化铬耐火材料来说,其在三种含有模拟HLW废料的铁磷熔体中的熔线腐蚀速度小于0.1mm/day.按照DWPF熔化器的设计标准,Alumina和Zircon商品耐火材料可以用来熔化多种HLW废料.
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