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New Composite Materials for Decreasing of Radioactive Molecular Iodine in the Water Coolant on the Working and New Developed NPPS

[+] Author Affiliations
S. A. Kulyukhin, L. V. Mizina, A. A. Tishina

Russian Academy of Sciences, Moscow, Russia

Paper No. ICONE18-29006, pp. 383-386; 4 pages
  • 18th International Conference on Nuclear Engineering
  • 18th International Conference on Nuclear Engineering: Volume 1
  • Xi’an, China, May 17–21, 2010
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-4929-3
  • Copyright © 2010 by ASME


The sorption of 131 I− , 131IO3, I2 and CH3131I from water solutions at 25°C on new composite materials obtained by modifying of cation-exchange resin KU-2 was investigated. It was established, that the given materials are capable to absorb I2 both from distilled water, and from a water coolant of the WWER-type NPPs, with distribution factors Kd more than 103 cm3 /g at V/m = 100. Thus, it was found, that practically full I2 absorption (more than 95.0%) was achieved for 15 min. It was shown, that anion-exchange resin AV-18 is capable to adsorb CH3131I from a water solutions with distribution factors Kd more than 300 cm3 /g at V/m = 100.

Copyright © 2010 by ASME



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