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Design and Process Improvements on the Waste Treatment of Angra I and Angra II Power Plants in Brazil

[+] Author Affiliations
Clédola Cássia Oliveira de Tello

CNEN – Comissão Nacional de Energia Nuclear, Belo Horizonte, MG, Brazil

Antônio Carlos de Oliveira Barroso

CNEN – Comissão Nacional de Energia Nuclear, São Paulo, SP, Brazil

Paper No. ICONE10-22303, pp. 305-310; 6 pages
  • 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


Evolving differences, in Brazilian regulatory framework from the time Angra I was designed, in the beginning of the sixties, to the time of license evaluation, in the late seventies, resulted in the unacceptability of the original waste solidification system. The end products could not reach the necessary characteristics required for transport and storage and a redesign was necessary to improve the cementation process. In the case of Angra II, which uses a bituminisation system to solidify its low and intermediate level liquid wastes, some minor adjustments had to be done in the process and a new bitumen specification had to be developed to select a Brazilian material so that the system could perform adequately and meet the national requirements for safe transportation and storage.

Copyright © 2002 by ASME



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