Solubilities of Non-Metals in Liquid Lithium - A Review
Interest in the chemical technology of liquid lithium has been stimulated recently by its candidature for tritium breeding and primary coolant applications in D-T fuelled thermonuclear reactors (1, 2). Owing to its extreme reactivity, liquid lithium contains dissolved impurities, particularly hydrogen, tritium, carbon, silicon, nitrogen and oxygen, which, because of their pervasivity and chemical reactivity, have a profound influence on, inter alia, corrosion and embrittlement processes, tritium recovery chemistry and impurity control and purification techniques. Obviously an essential prerequisite to an understanding of the basic chemistry of these processes is a detailed knowledge of the solubility of reactive impurities in liquid lithium. In this paper we review those solubility data presently available, propose recommended solubility expressions and, where possible, attempt to rationalise solubility trends using thermodynamic concepts.
KeywordsHydrogen Isotope Solubility Data Tritium Breeding Liquid Lithium Lower Diagram
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