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Beginning of Paper
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Radioactive wastes, must for the protection of mankind be
stored or disposed in such a manner that isolation from the
biosphere is assured until they have decayed to innocuous
levels. If this is not done, the world could face severe
physical problems to living species living on this planet.
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Middle of Paper
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.... glass,
calcination and elaboration of the glass. These operations
are
carried out in a metallic pot that is heated in an induction
furnace. The vitrification of one load of wastes comprises
of the following stages. The first step is 'Feeding'. In
this step the vitrification receives a constant flow of
mixture of wastes and of additives until it is 80% full of
calcine. The feeding rate and heating power are adjusted so
that an aqueous phase of several litres is permanently
maintained at the surface of the pot. The second step is the
'Calcination and glas ....
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SUBJECTS
