Conditions leading to and the characteristics of exothermic processes in condensed mixtures used in technological processes of hydrometallurgical reprocessing of spent nuclear fuelстатья
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Аннотация:The reasons for the occurrence of fast and intense exothermic processes leading to thermal explosions in technological mixtures of reducing agents with nitric acid oxidizers used in SNF reprocessing are analyzed. The structure of the article: section 1 – literature review; section 2 – general patterns of thermal explosions in such mixtures based on literature data and our own results; section 3 – the main characteristics of thermal explosions determined by us in mixtures of extractants with nitric acid and uranyl nitrate, anion exchangers in the nitrate form and their mixtures with nitric acid, as well as nitric acid solutions containing reducing agents; section 4 – concluding remarks.