Costain and partner Tetronics have been appointed to deliver a £250,000 trial at the Sellafield nuclear site in Cumbria.

The companies will demonstrate thermal treatment of drums of Plutonium Contaminated Material (PCM), showing it is capable of substantial volume reduction of PCM drums, thereby providing an economic long-term waste route for this material.

They will deploy their technology capabilities on simulated materials in a bespoke test environment, with the longer-term aim of minimising the costs and risks associated with reducing, and disposing of, the UK's nuclear waste.

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The PCM drums are a product of many years of reprocessing nuclear fuel at the Sellafield site and the plasma vitrification technology Costain will be using will significantly reduce volumes of plutonium-containing waste that require storage.

The trial is expected to run for a duration of six months, with potential for further development if the technology is proven successful.

Rob Phillips, Costain sector director, energy, commented: "I am delighted at the award of this contract which demonstrates Costain's leading edge thinking in the area of nuclear waste management and active collaboration with our clients to shape the future of nuclear decommissioning. This technology could truly revolutionise the treatment of a huge volume legacy waste and significantly reduce the cost of the long-term storage to the UK taxpayer."

(CM/MH)