Abstracts and Available Papers Presented at the 1999 International RERTR Meeting
BERYLLIUM
POISONING IN THE MARIA REACTOR
K. Andrzejewski, T. Kulikowska - Institute of Atomic
Energy, Poland
M. Bretscher, J. Matos - Argonne National Laboratory,
USA
ABSTRACT
The poisoning of beryllium blocks initiated by the Be-9(n,a)
reaction is discussed in this paper. The present status of the methods used to
evaluate Li-6 and He-3 poison concentrations in the MARIA reactor
are described. On the basis of conservative assumptions the magnitude of the
problem is evaluated. Implications for the reactor operation are formulated,
comprising the necessity of keeping long term reactor operation records with
special emphasis on beryllium history.
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Contact: Krzysztof Andrzejewski
Institute of Atomic Energy
Otwock/Świerk
05-400, Poland
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