The number of nuclear power plants and their service life, closure and decommissioning status at home and aboard were summarized, and it is estimated that nuclear reactors and other nuclear facilities would reach the peak of decommissioning between 2030 and 2050. Three decommissioning strategies for nuclear facilities adopted internationally were introduced, and appropriate decommissioning standard systems and methods should be selected and formulated according to China′s national conditions and industrial technology level. For cutting and dismantling, decontamination and waste disposal in the decommissioning process of nuclear facilities, the cutting and dismantling methods and their system devices of nuclear facilities were introduced. The advantages, disadvantages and application scope of various decontamination methods were compared, such as dry ice decontamination, acid-base immersion decontamination, laser decontamination, ultrasonic decontamination, and smelting decontamination. The treatment and disposal methods of decommissioning waste were summarized. In terms of management standards, the technical standard system, laws and regulations of China need to be established, and the research and development direction of decommissioning related technologies was proposed. © 2022 Huazhong University of Science and Technology. All rights reserved.
