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Cyclic Mode of Transmutation of Minor Actinides in Heavy-Water Reactor

[+] Author Affiliations
Aleksander S. Gerasimov, Gennady V. Kiselev, Lidia A. Myrtsymova, Tamara S. Zaritskaya

Institute of Theoretical and Experimental Physics, Moscow, Russia

Paper No. ICONE10-22668, pp. 473-476; 4 pages
doi:10.1115/ICONE10-22668
From:
  • 10th International Conference on Nuclear Engineering
  • 10th International Conference on Nuclear Engineering, Volume 4
  • Arlington, Virginia, USA, April 14–18, 2002
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-3598-7 | eISBN: 0-7918-3589-8
  • Copyright © 2002 by ASME

abstract

Characteristics of process of transmutation of americium and curium from spent nuclear fuel in heavy-water reactor during first 10 lifetimes and at transition to equilibrium mode are calculated. During transmutation, dangerous nuclides, first of all, 244 Cm and 238 Pu are accumulated. They cause an increase of radiotoxicity. At first 10 cycles of a transmutation, the radiotoxicity is increased by 11 times in comparison with initial load of transmuted actinides. Heavy-water reactor with thermal power of 1000 MW can transmute americium and curium extracted from 7–8 VVER-1000 type reactors. It means that the required power of transmutation reactor makes about 4% of thermal power of VVER-1000 type reactors.

Copyright © 2002 by ASME
Topics: Water

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