By Organization for Economic Cooperation & Development
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Extra info for Advanced Nuclear Fuel Cycles And Radioactive Waste Management: Nuclear Development
The high temperatures achieved allow radioactive waste to be incorporated in a broad range of glasses; not only borosilicate or phosphate glass can be sintered, but crystalline materials such as igneous rocks could also be used. This variety of vitrified waste forms that can be produced, would allow for developing better forms in terms of resistance to leaching. Cold crucible melters can be used also to produce ceramic matrices for the containment of specific long-lived radionuclides. Radioisotopes separated by advanced reprocessing could then be conditioned in tailor made matrices.
5 shows that a single recycle of the plutonium reduces the natural uranium demand by a modest 10% as compare with Scheme 1a. As the multiple recycling of plutonium in LWRs requires the use of MOX fuel with enriched uranium, Scheme 2a consumes about the same amount of natural uranium. 4). For the same reasons, the additional americium management in Scheme 2b causes the uranium demand to increase to the level of the once-through fuel cycle. e. 40%) saving in the uranium demand. 5. 036 Note: Schemes 3cV1 and 3cV2 operate with depleted uranium.
1. 1 Relative volume Relative activity Relative radiotoxicity Very large Small Small Small Small Large Small/Medium Low Low Low Low Low/Medium Medium High/Very high Low Low Low Low Medium Low High Medium High High Very large Low Very low Waste categories Several methods are used to categorise radioactive waste types; the method selected usually is dependent on the generator of the material. For example, a nuclear power plant operator is likely categorise waste types based on the originating stream.
Advanced Nuclear Fuel Cycles And Radioactive Waste Management: Nuclear Development by Organization for Economic Cooperation & Development