Nuke waste containers-could degrade faster than thought!

Nuke waste containers-could degrade faster than thought!

Postby Oscar » Sun Mar 15, 2020 1:08 pm

High-level nuclear waste storage vessels could degrade much faster than previously thought

[ https://physicsworld.com/a/high-level-n ... ra+Gillham ]

February 4, 2020

Warning signs: a recent study suggests that we need to rethink plans for the long-term storage of nuclear waste. (Courtesy: iStock)

An accelerated corrosion process in materials proposed for use in the long-term storage of high-level nuclear waste has been discovered by researchers in the US. Xialei Guo and Gerald Frankel at Ohio State University and colleagues made their discovery by doing a laboratory recreation of the conditions of nuclear waste storage under proposed guidelines. Their findings suggest the need for better storage systems.

High-level nuclear waste is created by weapons programmes and nuclear reactors. It must be stored securely for hundreds of thousands of years until it is rendered safe by radioactive decay. Most countries plan to store their high-level waste deep underground, but there are currently no operational facilities – although one is under construction in Finland.

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