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Radioactive Wastes
Beginning of essay
, 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.
Some atoms can disin ....
Middle of essay
....st 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 glass evaporation'. In this step when
the pot is practically full of calcine, the temperature is progressively
increased up to 1100 to 1500 C and then is maintained fo.... |
| Number of words: 1825 |
Approximate pages: 7 |
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