File Name: fissile and fertile materials .zip
Nuclear Fission Reactors pp Cite as.
Interest in nuclear energy continues to grow in many countries as a means to ensure security of energy supply and to limit greenhouse gas emissions from the power sector. In this context, recyclable materials constitute an asset for broadening the resource base for nuclear fuel supply, especially in medium- and long-term perspectives. This report provides an overview of recyclable fissile and fertile materials inventories which can be reused as nuclear fuel. The potential energetic value of recyclable materials is assessed, taking into account the variability of retrievable energy contents of various materials according to technology and strategy choices made by the owners of the materials. The analyses contained in this report will be of particular interest to energy policy makers and to nuclear fuel cycle experts. About us Topics News and resources Learning and tools. About us About us.
Fertile is a term used to describe an isotope that is not itself fissile it cannot simply undergo fission by thermal neutrons , but can be converted into a fissile material through irradiation in a nuclear reactor. After this, the fission of this isotope could undergo radioactive decay. Generally, larger nuclei with even atomic masses such as thorium, plutonium, and uranium are fertile materials. When the nuclei absorb a neutron, it induces an odd atomic mass—making it a fissile material. There is a special type of reactor that makes use of fertile isotopes to create nuclear fuel.
resources of both fissile and fertile material*. With the functioning of the Tarapur reactor and wi\Jn the. Rajasthan and Kalpakkam reactors well on the way.
Fertile material is a material that, although not itself fissionable by thermal neutrons , can be converted into a fissile material by neutron absorption and subsequent nuclei conversions. Naturally occurring fertile materials that can be converted into a fissile material by irradiation in a reactor include:. Artificial isotopes formed in the reactor which can be converted into fissile material by one neutron capture include:. Some other actinides need more than one neutron capture before arriving at an isotope which is both fissile and long-lived enough to probably be able to capture another neutron and fission instead of decaying.
Fast Breeder Reactor Program. Germany also built two breeder reactors. Breeder reactors are possible because of the proportion of uranium isotopes that exist in nature.
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