High-level radioactive waste
High-level radioactive waste is a type of radioactive waste that is produced as a byproduct of the reactions that occur inside nuclear reactors. It is characterized by its high levels of radioactivity.
Overview[edit | edit source]
High-level radioactive waste primarily comes from the fuel that is used in a nuclear reactor. After the fuel has been in the reactor for a period of time, it is removed and considered to be high-level waste. This waste can remain radioactive for hundreds of thousands of years, making its management a significant challenge.
Types of High-Level Radioactive Waste[edit | edit source]
There are two main types of high-level radioactive waste: spent fuel and waste materials. Spent fuel is the fuel that has been used in a nuclear reactor and is no longer efficient in sustaining a nuclear reaction. Waste materials are the byproducts that are produced during the reprocessing of spent fuel.
Management of High-Level Radioactive Waste[edit | edit source]
The management of high-level radioactive waste involves several steps. First, the waste is stored in a temporary storage facility. Then, it is either reprocessed or disposed of in a deep geological repository. The choice between reprocessing and disposal depends on the policy of the country where the waste is located.
Reprocessing[edit | edit source]
Reprocessing is a method that can be used to treat high-level radioactive waste. During reprocessing, the waste is processed to extract valuable materials that can be reused. The remaining waste, which is still highly radioactive, is then treated and disposed of.
Disposal[edit | edit source]
The disposal of high-level radioactive waste is a complex process. The waste is typically disposed of in a deep geological repository, which is a facility that is designed to isolate the waste from the environment for a very long period of time.
See Also[edit | edit source]
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