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Decommissioning for the Containment Vessel of HTR-PM: Monte Carlo Simulation and Long-Time Predictions

[+] Author Affiliations
Wenqian Li, Hong Li, Jianzhu Cao, Feng Xie, Sheng Fang

Tsinghua University, Beijing, China

Ming Li

Ministry of Environmental Protection of the P. R. China, Beijing, China

Paper No. ICEM2013-96078, pp. V002T03A015; 8 pages
  • ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management
  • Volume 2: Facility Decontamination and Decommissioning; Environmental Remediation; Environmental Management/Public Involvement/Crosscutting Issues/Global Partnering
  • Brussels, Belgium, September 8–12, 2013
  • Conference Sponsors: Nuclear Engineering Division, Environmental Engineering Division
  • ISBN: 978-0-7918-5602-4
  • Copyright © 2013 by ASME


A high temperature gas cooled reactor-pebble bed module (HTR-PM) is currently under design and construction in China. Calculations of induced radioactivity in the concrete containment vessel of HTR-PM were performed in order to predict the decommissioning problems. The main activation products and the ambient dose equivalent rate corresponding to 40 years of operations followed by 30 days/1 year/10 years of decay, were calculated by using the Monte Carlo particle transport code FLUKA. Finally, according to the Chinese National Standard and on the basis of the knowledge gained from this study, the classifications of the radioactive solid wastes were discussed, and some suggestions for the working duration of the employees were given.

Copyright © 2013 by ASME



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