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<p>The problem of reprocessing of used ion-exchange resins with a polystyrene-divinylbenzene matrix by oxidative degradation using the Fenton process is considered. The kinetics of the process was studied in the presence of 5–25% solutions of H<sub>2</sub>O<sub>2</sub> containing catalytic additives of copper(<span>ii</span>;) and iron(<span>ii</span>;,<span>iii</span>) salts. Electron microscopic studies revealed characteristic changes in the surface morphology and granule shape of the ionexchange resins during oxidative decomposition.</p>

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Oxidative degradation kinetics of ion-exchange resins with the polystyrene-divinylbenzene matrix using the Fenton process

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • M. M. Kozlova,
  • V. F. Markov,
  • L. N. Maskaeva,
  • S. Santra,
  • G. V. Zyryanov,
  • A. Majee

摘要

The problem of reprocessing of used ion-exchange resins with a polystyrene-divinylbenzene matrix by oxidative degradation using the Fenton process is considered. The kinetics of the process was studied in the presence of 5–25% solutions of H2O2 containing catalytic additives of copper(ii;) and iron(ii;,iii) salts. Electron microscopic studies revealed characteristic changes in the surface morphology and granule shape of the ionexchange resins during oxidative decomposition.