A team of South Korean engineers has taken a key step in the fight against radiation contamination. Researchers from the KAIST Institute have developed an innovative material capable of removing persistent radioactive waste from the air and water.
The finding focuses especially on iodine-129, a radioactive isotope that can remain active for millions of years. Its removal represents one of the greatest challenges in contaminated sites.
The new compound, a specific combination of metals and hydroxides, effectively absorbs iodates (IO₃⁻), the form some waste takes in water. Its performance exceeds that of traditional silver-based materials.
Thanks to the use of artificial intelligence, scientists reduced millions of possible combinations to an optimal formula, composed of copper, chromium, iron, and aluminum.
This material would clean radiation from water and air. Photo: Pixabay.
A finding with global environmental impact
This double-layer material was successfully tested in the laboratory, removing over 90% of the most difficult-to-treat isotopes. Its use is projected in areas severely affected by nuclear accidents, such as Fukushima and Chernobyl.
One of the main advantages is its ability to decontaminate water for subsequent reuse, something unthinkable until recently.
If produced on an industrial scale, this advancement could change the management of radioactive waste, reducing impacts that would last centuries to much more controllable effects in a few years.
Furthermore, it represents a fundamental tool for facing possible future emergencies, with a preventive focus and environmental restoration approach.
Health risks of radioactive contamination
Exposure to radioactive materials, even in low doses, can cause serious health alterations in humans. Radioactive isotopes release energy that damages cells and DNA.
Diseases such as cancer, endocrine problems, and genetic alterations are some of the associated consequences. Iodine-129, in particular, accumulates in the thyroid gland and can cause chronic dysfunctions.
Furthermore, radioactivity can contaminate water, soils, and food. This generates cumulative effects on living organisms, affecting both humans and wildlife.
The effective cleaning of these residues not only improves the environment: it saves lives and reduces long-term illnesses in entire communities.
Scientists designed a material that could clean radiation from water and air. Photo: Unsplash.
Science, technology, and environment in service of the future
The innovation achieved by the KAIST team is a clear example of the potential of combining materials science, artificial intelligence, and environmental commitment.
With each advancement, the possibilities of responding to environmental crises with sustainable technological solutions are expanded. This type of research offers a concrete alternative to problems that seemed impossible to reverse.
The challenge now lies in replicating the development on a large scale and ensuring its implementation in places where it is most needed. The future of many contaminated regions could change radically with this new material.
