# New Mineral-Forming Method Removes 99% of Radioactive Technetium

Innovative chemical process targets mobile nuclear waste contaminants in soil and water systems.

- **Source:** [Phys.org – Earth](https://phys.org/earth-news)
- **Published:** 2026-11-06
- **Topic:** [science](https://brifing.si/c/science)
- **Original article:** <https://phys.org/news/2026-11-mineral-method-radioactive-technetium-liquid.html>
- **On Brifing:** https://brifing.si/s/9baab6dd-c8c0-4f13-a6a4-ac285a723984

## Technetium-99 Environmental Threat

Technetium-99 is a persistent radioactive byproduct generated during nuclear fuel production and reprocessing activities. Because it exists as a highly mobile chemical species, it travels easily through soil and water systems. This mobility poses significant long-term environmental risks, necessitating advanced containment strategies to prevent widespread contamination at legacy nuclear sites.

## High-Efficiency Sequestration Process

Researchers have developed a novel mineral-forming method capable of removing over 99% of technetium-99 from liquid waste streams. This chemical process effectively traps the radioactive isotope within stable mineral structures, preventing its migration into the surrounding environment. The technique marks a substantial improvement over existing remediation methods used for radioactive waste management.

## Legacy Site Remediation Challenges

Major nuclear facilities like Sellafield in the United Kingdom and Hanford in the United States face severe contamination challenges. These sites contain decades of accumulated radioactive waste that requires urgent intervention. The new mineral-forming technology offers a targeted solution for these specific locations, addressing the unique chemical properties of technetium.

## Chemical Stability and Containment

The core mechanism involves transforming mobile technetium into a solid, immobile mineral form that remains stable over long periods. By locking the contaminant into a crystalline lattice, the process ensures that the radioactive material does not leach back into groundwater. This stability is critical for the safe, permanent disposal of nuclear waste.

## Operational Impact on Waste

Applying this mineral-forming technique to liquid waste streams significantly reduces the volume of hazardous material requiring specialized handling. By achieving a 99% removal rate, the process simplifies downstream treatment requirements and lowers the overall risk profile of nuclear waste storage. It provides a scalable approach for managing complex radioactive liquid effluents.

## Context of Nuclear Cleanup

Nuclear cleanup efforts globally struggle with isotopes that resist traditional filtration or chemical precipitation methods. Technetium-99 is particularly problematic due to its long half-life and environmental mobility. This research addresses a fundamental gap in current decontamination protocols, offering a robust chemical pathway to isolate hazardous isotopes from complex liquid waste mixtures.

## Future Implementation Prospects

While currently focused on laboratory-scale success, the implementation of this method at industrial scales could transform site remediation strategies. Engineers must now evaluate the cost-effectiveness and operational requirements for integrating this mineral-forming process into existing waste treatment infrastructure. Success in field trials will determine the viability of widespread adoption at sites.

## Significance for Environmental Safety

The ability to capture nearly all technetium-99 represents a major advancement in protecting ecosystems near nuclear facilities. By preventing the spread of radioactive contaminants, this technology supports safer long-term stewardship of legacy sites. It provides a necessary tool for mitigating the environmental footprint left by historical nuclear fuel production and reprocessing.

## Sources covering this story

- https://phys.org/news/2026-11-mineral-method-radioactive-technetium-liquid.html — 

---

_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
