Abstracts and Available Papers Presented at the 2002 International RERTR Meeting
STUDY OF ALUMINA USE AS A
SEPARATION STEP IN MO-99 PRODUCTION
Wilkinson
M. V., Mondino A. V., Manzini A
Radioquímica
y Química de lasRadiaciones, Centro Atómico Ezeiza,
Comisión Nacional de
Energía Atómica
Presbítero Juan González y Aragón
N° 15
B1802AYA, Partido de Ezeiza, Buenos Aires, Argentina.
ABSTRACT
The known use
of alumina as a separation step of 99Mo in acid medium requires, for
its proper accomplishment, the determination of both the type of alumina and
the separation conditions. Utilization of LEU can involve changes in the nature
of the targets and also in the dissolution method, which necessitates the
eventual consideration of an acid medium for the attack. A study on molybdenum
retention and elution in alumina was performed at laboratory scale, using 99Mo
radiotracer. Different kinds of alumina were tested for varying conditions
(acidity, temperature and uranium concentration) of the loading solutions. The
behaviour of uranium in this proposed separative
stage was also studied.