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Chemical treatment of fine ion exchanger ku-2x8 containing metal ions in nitrating atmosphere
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Рассмотрен новый подход к деструктивной переработке мелкодисперсного ионита КУ-2х8-M (M - Ni, Cu, Nd, Fe, U), основанный на их газофазной обработке в нитрирующей атмосфере с последующей химической обработкой продуктов конверсии. Показано, что выдержка образцов мелкодисперсного ионита КУ-2х8-M (M - Ni, Cu, Nd, Fe, U) в атмосфере «HNO3 (пары)-воздух» при температурах 130 и 150 °C в течение 24 ч с последующим растворением продуктов конверсии в 0,5 моль⋅л-1 NaOH и озонированием полученных растворов позволяет провести эффективную утилизацию мелкодисперсного ионита КУ-2х8-M (M - Ni, Cu, Nd, Fe, U).
Science & Technology
Title: Chemical treatment of fine ion exchanger ku-2x8 containing metal ions in nitrating atmosphere
Description:
Рассмотрен новый подход к деструктивной переработке мелкодисперсного ионита КУ-2х8-M (M - Ni, Cu, Nd, Fe, U), основанный на их газофазной обработке в нитрирующей атмосфере с последующей химической обработкой продуктов конверсии.
Показано, что выдержка образцов мелкодисперсного ионита КУ-2х8-M (M - Ni, Cu, Nd, Fe, U) в атмосфере «HNO3 (пары)-воздух» при температурах 130 и 150 °C в течение 24 ч с последующим растворением продуктов конверсии в 0,5 моль⋅л-1 NaOH и озонированием полученных растворов позволяет провести эффективную утилизацию мелкодисперсного ионита КУ-2х8-M (M - Ni, Cu, Nd, Fe, U).
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