钍作为液态金属增殖毯的可育成分

Journal of Nuclear Energy. Part B. Reactor Technology Pub Date : 1960-01-01 DOI:10.1016/S0368-3273(15)30016-X

A. Brown, A. Chitty

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引用次数: 4

摘要

综述了钍的晶体化学和物理性质，重点介绍了在液态铋中形成稳定的钍悬浮液所需的性质。在0 ~ 1100℃的温度范围内，准确测定了钍的密度随温度的变化，并对吸附气体(CO2和CO)进行了测量。结果表明，只要钍表面不受污染，其本质上是被铋润湿的。某些元素在铋中的溶解被证明会引起钍盐分解产生的钍的润湿，而一些元素被证明会减少钍，随后形成ThBi2。如果满足以下关系，添加元素E的液态铋中的钍悬浮液是稳定的:−ΔGox(C)<−ΔGox(E)<−ΔGox(Al)。

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Thoria as a Fertile Component for a Liquid Metal Breeder Blanket

The crystal chemistry and physics of thoria are reviewed with emphasis on the properties required to form a stable suspension of thoria in liquid bismuth. The variation of the density of thoria with temperature has been determined accurately over the temperature range 0–1100°C and a measurement of the adsorbed gas (CO₂ and CO) has been made. It is shown that thoria is intrinsically wetted by bismuth provided the thoria surface is free from contamination. The solution of certain elements in the bismuth is shown to cause wetting of thoria produced by decomposition of thorium salts, and some elements are shown to reduce thoria with subsequent formation of ThBi₂. A suspension of thoria in liquid bismuth containing an added element E is stable if the following relationship is satisfied: $- Δ G_{o x} (C) < - Δ G_{o x} (E) < - Δ G_{o x} (A l)$

The results are discussed in terms of the thermodynamics of oxidation/reduction processes.

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Journal of Nuclear Energy. Part B. Reactor Technology

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