Cleanup and Decommissioning of a Nuclear Reactor After a Sever Accident (Technical Reports Series (International Atomic Energy Agency))
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Cleanup and Decommissioning of a Nuclear Reactor After a Sever Accident (Technical Reports Series (International Atomic Energy Agency))

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Published by International Atomic Energy Agency .
Written in English


  • Nuclear power & engineering,
  • Nuclear power industries,
  • General,
  • Radioactive Contamination And Clean-Up,
  • Technology & Industrial Arts,
  • Decommissioning,
  • Nuclear reactors,
  • Safety measures,
  • Science/Mathematics

Book details:

The Physical Object
Number of Pages59
ID Numbers
Open LibraryOL12857764M
ISBN 109201044925
ISBN 109789201044921

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This publication describes differences in post-accident situations compared with normal decommissioning (i.e. decommissioning after a planned final shutdown) and identifies significant decision factors as applicable. It focuses on the on-site decommissioning aspects of a technical nature, which need to be addressed after a nuclear accident. learned from the accident and identify relevant best practices, and to ensure that both are widely disseminated. This report on Decommissioning and Remediation after a Nuclear Accident is part of a series of reports covering all the topics dealt with in the International Experts Meetings. The reports draw on information provided in the meetings. @article{osti_, title = {Post-accident cleanup and decommissioning of a reference pressurized-water reactor}, author = {Murphy, E S and Holter, G M}, abstractNote = {This paper summarizes the results of a conceptual study to evaluate the technical requirements, costs, and safety impacts of the cleanup and decommissioning of a large pressurized water reactor (PWR) involved in an accident.   Severe nuclear accidents can be limited in terms of the danger they pose to members of the public (TMI) or very wide and far-reaching (Chernobyl). Common to all severe accidents is that an accident anywhere is an accident everywhere. Also, people .

  Written by Arnie Gundersen. The six atomic power reactors at the Fukushima Daiichi nuclear site were severely damaged 9-years ago when a Richter 9 earthquake in the Pacific Ocean occurred at 2 p.m. on Ma ravaging the nuclear reactors, flooding safety systems, and causing three atomic power meltdowns. The Fukushima disaster cleanup is an ongoing attempt to limit radioactive contamination from the three nuclear reactors involved in the Fukushima Daiichi nuclear disaster that followed the earthquake and tsunami on 11 March The affected reactors were adjacent to one another and accident management was made much more difficult because of the number of simultaneous hazards . Nuclear power reactor need to be decom-missioned when they reach the end of its design life. Decommissioning is part of the final shutdown of a nuclear power reactor and starts with the removal of high radio-active spent fuel and may end with the clean-up of the entire facility or site includ-ing contaminated soil and groundwater in. The Windscale fire of 10 October was the worst nuclear accident in Great Britain's history, and one of the worst in the world, ranked in severity at level 5 out of a possible 7 on the International Nuclear Event Scale. The fire took place in Unit 1 of the two-pile Windscale facility on the northwest coast of England in Cumberland (now Sellafield, Cumbria).

Definition. Nuclear decommissioning is the administrative and technical process whereby a nuclear facility such as a nuclear power plant (NPP), a research reactor, an isotope production plant, a particle accelerator, or uranium mine is dismantled to the point that it no longer requires measures for radiation progressive demolition of buildings and removal of radioactive material. This book critically reviews the nuclear decommissioning processes and technologies applicable to nuclear power plants and other civilian nuclear facilities. Part one focuses on the fundamental planning issues in starting a nuclear decommissioning process, from principles and safety regulations, to financing and project management. In , the UK government established an independent authority—the Nuclear Decommissioning Authority (NDA)—to implement clean up and decommissioning processes of nuclear reactors. 17 According to the Energy Act, the NDA will not perform the decommissioning and remediation tasks itself but it has the right to outsource the work by.   After a severe accident such as a core meltdown (a kind of accident U.S. nuclear regulators call “Beyond Design Basis”), a reactor may emit radiation into the environment. Decommissioning.