AI Insight
Researchers from the University of Manchester, United Kingdom National Nuclear Laboratory, and Clemson University have discovered that crushed concrete from decommissioned nuclear facilities can effectively interact with and trap strontium-90, a highly mobile radioactive contaminant. The study, published in ACS ES&T Water, suggests that waste concrete materials from legacy nuclear sites like Sellafield and Hanford could be repurposed as a remediation tool rather than simply disposed of as contaminated waste.
Why it matters
This finding could provide a cost-effective and practical solution for managing radioactive contamination at nuclear legacy sites worldwide, transforming a waste material into a valuable resource for environmental cleanup. Using existing on-site concrete materials could reduce both remediation costs and the volume of radioactive waste requiring disposal.
Understand the Science
Crushed concrete from legacy nuclear facilities could play a far greater role in safely managing radioactive land than previously understood. Research published in ACS ES&T Water and conducted by scientists from the University of Manchester, United Kingdom National Nuclear Laboratory and Clemson University has examined how crushed concrete interacts with strontium-90, a mobile radioactive contaminant found at nuclear legacy sites such as Sellafield and Hanford.
Source: Why old nuclear-site concrete could become a tool for trapping strontium-90