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Nuclear Waste Management

A unique feature of nuclear power plants is the generation of extremely low quantity of radioactive waste. The spent fuel containing most of the high level radioactivity is not considered waste as it produces valuable fuel for future reactors. Spent fuel is sent for reprocessing for the extraction of plutonium, uranium and other useful isotopes. High-level waste is immobilised by verifications in glass matrix, encapsulated in stainless steel double – walled canisters and kept for interim storage for about 30 years under surveillance in concrete vault lined with stainless steel for decay of radioactivity. Ultimately waste is disposed off in deep underground geological repository with protective barriers. During the process of electricity, smack quantity of low-and intermediate-level solid wastes are produced in nuclear power stations. After treatment, these wastes are disposed off within the plant premises in earthen trenches, reinforced cement concrete trenches or tile-holes, depen...