用于固定Cs的富荷兰石陶瓷

Transactions (English Ceramic Circle) Pub Date : 2012-04-25 DOI:10.1002/9781118407950.CH6

M. Carter

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引用次数: 3

摘要

提出了以Cr-、Ni-、Zn-、Mn-、Fe-或Co-取代的钛酸盐荷兰酸盐为主的陶瓷废物固定富碳废物的形式。这些被设计成在空气中熔化，温度为1350°C。研究了替代热固结方法-烧结和热等静压在~ 1250°C下对上述以及Al-， Ga-和mg取代的钛酸盐荷兰石废物形式进行了研究。详细的表征电子显微镜提出了所有的材料。含有废物形式的烧结和HIPed荷兰石的正标准化PCT Cs渗滤液浓度< 0.6 g/L。

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Hollandite‐Rich Ceramics for the Immobilisation of Cs

Ceramic waste forms consisting mainly of Cr-, Ni-, Zn-, Mn-, Fe- or Co- substituted titanate hollandites to immobilise Cs-rich wastes are put forward. These are designed to be processed by melting in air at ∼1350°C. Alternate hot consolidation methods-sintering and hot isostatic pressing at ∼1250°C were investigated for the above as well as Al-, Ga-, and Mg-substituted titanate hollandite waste forms. Detailed characterisation electron microscopy is presented on all materials. The sintered and HIPed hollandite containing waste forms had normalised PCT Cs leachate concentrations of< 0.6 g/L.

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Transactions (English Ceramic Circle)

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