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Oil rigs as one example have a complex decommissioning process. Even after decommissioning, there may still be infrastructure remaining on the seafloor, such as well casings or pipelines. [9] Decommissioning oil rigs presents numerous challenges due to technical complexity, environmental concerns, regulatory compliance, cost, legacy ...
Nuclear decommissioning is the administrative and technical process leading to the irreversible closure of a nuclear facility such as a nuclear power plant (NPP), a research reactor, an isotope production plant, a particle accelerator, or uranium mine.
Decontamination is the process of removal of radioactive contaminants on the remaining surface. Washing and mechanical cleaning are processed during the decontamination process by using the chemical reactors, and the global objective is to protect public safety and the environment. [3] The coolant is also removed and stored for proper disposal.
SAFSTOR is a nuclear decommissioning method in which a nuclear power plant or facility governed by the United States Nuclear Regulatory Commission, is "placed and maintained in a condition that allows the facility to be safely stored and subsequently decontaminated (deferred decontamination) to levels that permit release for unrestricted use".
This process is expected to take until 2065 according to the plant's operator. [7] Although the reactors have all ceased generation, Chernobyl maintains a large workforce as the ongoing decommissioning process requires constant management. [8] From 24 February to 31 March 2022, Russian troops occupied the plant as part of their invasion of Ukraine.
Whiteshell Laboratories is currently operated under a decommissioning license issued by the Canadian Nuclear Safety Committee (CNSC) on January 1, 2020. This license expires December 31, 2024. The reactor site is in a “storage-with-surveillance” phase during its ongoing decommissioning process. [7]
The Ship-Submarine Recycling Program (SRP) is the process that the United States Navy uses to dispose of decommissioned nuclear vessels. SRP takes place only at the Puget Sound Naval Shipyard (PSNS) in Bremerton, Washington, but the preparations can begin elsewhere.
The first step in the long-term decommissioning process is to layup the reactors and place them into safe storage. Pickering staff will have future employment opportunities placing the Pickering units in a safe storage state, at the Darlington refurbishment and operations, or at the potential new build at Darlington.