Gas Phase Conversion of Cation Exchange Resin KU-2×8-M (M = Cs, Ni, Cu, Fe, Nd, U) in a Nitrating Atmosphereстатья
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Дата последнего поиска статьи во внешних источниках: 15 февраля 2024 г.
Аннотация:A new approach to the destructive processing of the cation exchange resin KU-2×8-M (M = Cs, Ni, Cu, Fe, Nd, U) is considered based on the gas phase treatment in a nitrating atmosphere with subsequent chemical treatment of the conversion products. It is shown that exposure of the resin samples in an HNO3(vapour)–air atmosphere at temperatures of 403–443 K for 8 and 24 h followed by dissolution of conversion products in 0.5 M NaOH and ozonation of the resulting solutions allows effi cient utilization of the resin.