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<p>The present paper considers a&#xa0;promising method for maintaining the water chemistry regime of water-cooled nuclear reactors with adjustment treatment of the coolant with microadditives of zinc as part of a&#xa0;colloidal solution of high-purity zinc oxide. The aggregate stability of the colloidal solution is achieved by a&#xa0;special method for synthesizing finely dispersed zinc oxide powder from gaseous diethyl zinc, followed by grinding the initial particles and separating the largest particles of zinc oxide to prevent their coagulation or adhesion. The latter is confirmed by zeta potential measurements of the colloidal solution. The method proposed in the article ensures simple and safe zinc injection.</p>

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A promising method for zinc injection into the coolant of water-cooled nuclear reactors

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • S. V. Yevropin,
  • V. A. Yurmanov,
  • S. M. Grigorovich,
  • N. D. Gudkov,
  • K. I. Shutko,
  • Ye. V. Yurmanov

摘要

The present paper considers a promising method for maintaining the water chemistry regime of water-cooled nuclear reactors with adjustment treatment of the coolant with microadditives of zinc as part of a colloidal solution of high-purity zinc oxide. The aggregate stability of the colloidal solution is achieved by a special method for synthesizing finely dispersed zinc oxide powder from gaseous diethyl zinc, followed by grinding the initial particles and separating the largest particles of zinc oxide to prevent their coagulation or adhesion. The latter is confirmed by zeta potential measurements of the colloidal solution. The method proposed in the article ensures simple and safe zinc injection.