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http://dx.doi.org/10.1016/j.net.2017.03.001

Development of integrated waste management options for irradiated graphite  

Wareing, Alan (National Nuclear Laboratory)
Abrahamsen-Mills, Liam (National Nuclear Laboratory)
Fowler, Linda (National Nuclear Laboratory)
Grave, Michael (Doosan Babcock)
Jarvis, Richard (National Nuclear Laboratory)
Metcalfe, Martin (National Nuclear Laboratory)
Norris, Simon (Radioactive Waste Management Limited)
Banford, Anthony William (National Nuclear Laboratory)
Publication Information
Nuclear Engineering and Technology / v.49, no.5, 2017 , pp. 1010-1018 More about this Journal
Abstract
The European Treatment and Disposal of Irradiated Graphite and other Carbonaceous Waste project sought to develop best practices in the retrieval, treatment, and disposal of irradiated graphite including other irradiated carbonaceous waste such as structural material made of graphite, nongraphitized carbon bricks, and fuel coatings. Emphasis was given on legacy irradiated graphite, as this represents a significant inventory in respective national waste management programs. This paper provides an overview of the characteristics of graphite irradiated during its use, primarily as a moderator material, within nuclear reactors. It describes the potential techniques applicable to the retrieval, treatment, recycling/reuse, and disposal of these graphite wastes. Considering the lifecycle of nuclear graphite, from manufacture to final disposal, a number of waste management options have been developed. These options consider the techniques and technologies required to address each stage of the lifecycle, such as segregation, treatment, recycle, and ultimate disposal in a radioactive waste repository, providing a toolbox to aid operators and regulators to determine the most appropriate management strategy. It is noted that national waste management programs currently have, or are in the process of developing, respective approaches to irradiated graphite management. The output of the Treatment and Disposal of Irradiated Graphite and other Carbonaceous Waste project is intended to aid these considerations, rather than dictate them.
Keywords
Decision Framework; Integrated Waste Management; Irradiated Graphite; Nuclear Reactor Decommissioning; Radioactive Waste Management;
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