3. Manufacturing processes and equipment

Figure 3 gives an overview of the different stages in the manufacture of plutonium fuel.

3.1 Pastillages

The reference process used for fuel for the Phénix and Superphénix reactors is known as COCA (acronym for "cobroyage Cadarache").

Dosage

Characterized powders of UO ₂ , PuO ₂ and chamotte, a mixed oxide derived from the grinding of recycled scrap, are assayed to achieve the specified plutonium content, and checked for compliance with other constraints: stoichiometry, americium content...

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Manufacturing processes and equipment