EDN: HCSOLA
Authors & Affiliations
Egorov M.Yu., Grigoriev S.D., Kovalenko I.I., Proshkin S.S., Lavrovskaya N.P.
Saint-Petersburg State University of Aerospace Instrumentation, Saint Petersburg, Russia
Egorov M.Yu. – Associate Professor, Cand. Sci. (Tech.). Contacts: 67, Bolshaya Morskaya str., Saint Petersburg, Russia, 190000. Tel.: +7 (812) 710-65-10; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Grigoriev S.D. – Student.
Kovalenko I.I. – Associate Professor, Cand. Sci. (Phys.-Math.).
Proshkin S.S. – Associate Professor, Cand. Sci. (Tech.).
Lavrovskaya N.P. – Associate Professor, Cand. Sci. (Phys.-Math.).
Abstract
The paper deals with issues related to the methods of handling spent nuclear fuel. Nuclear fuel spent at a nuclear power plant contains unburned 235U, its isotopes and transuranium elements. The world has accumulated 265,000 tons of spent nuclear fuel, which is two-thirds of its unloaded volume, the rest has been reprocessed. Issues related to methods of handling spent nuclear fuel are considered. The rate of increase in waste is increasing. Only a small part of the fuel is processed, and the rest is buried. For recycling or disposal, fuel elements are placed in a separate tank, an exhaust pool filled with boron water in order to protect against radiation and reduce heat generation. The level of thermal radiation in a year is reduced by 200 times, radioactivity by 10 times, after 5 years – by 35. Recycling allows to achieve a minimum amount of waste. The authors have evaluated the efficiency of spent nuclear fuel handling methods. An analysis was made of countries that are engaged in processing, as well as disposal. The principle of working with spent nuclear fuel after its removal from a nuclear reactor is described.
Keywords
spent nuclear fuel, waste, reprocessing, burial, recycling, spent fuel pool, thermal radiation, radioactivity, nuclear reactor, fuel rod, spent nuclear fuel holding, MOX-fuel
Article Text (PDF, in Russian)
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UDC 621.039.54
Problems of Atomic Science and Technology. Series: Nuclear and Reactor Constants, 2023, no. 2, 2:10
