Recycled Rubber Gloves Transformed Into Advanced Carbon Capture Materials by Aarhus University Researchers

Aarhus University researchers develop tech to turn waste rubber gloves into CO2 capture materials. Discover how medical waste helps meet IPCC climate goals.

By: AXL Media

Published: Feb 27, 2026, 1:11 PM EST

Source: The information in this article was sourced from Aarhus University

Repurposing Healthcare Waste for Climate Action

The global healthcare sector produces a staggering volume of waste, with over 100 billion nitrile rubber gloves manufactured annually. Most of these single-use items, made from oil-derived synthetic polymers, end up in landfills or incinerators, releasing harmful gases and CO2. A research team led by Simon Kildahl at Aarhus University has introduced a disruptive technology that flips this narrative. By chemically modifying these discarded gloves, researchers have created a material capable of capturing CO2, effectively turning a significant environmental pollutant into a tool for climate mitigation.

The Chemical Transformation Process

The conversion process involves shredding the waste rubber into small fragments, which then undergo a specific chemical reaction. Utilizing a ruthenium-based catalyst and hydrogen gas, the rubber is transformed into a CO2 adsorbent. In laboratory tests, this modified material successfully captured CO2 from simulated flue gas, mirroring the emissions profiles found at industrial power plants. This "post-modification" technique allows the synthetic rubber to bond with carbon molecules, preventing them from entering the atmosphere.

A Circular Approach to Carbon Sequestration

One of the most promising aspects of this technology is its regenerability. Once the material has reached its capacity for CO2, it can be heated to release the captured gas. This released CO2 can then be sequestered underground or utilized in Power-to-X processes to create sustainable fuels. Crucially, the heating process refreshes the rubber material, making it ready for another cycle of carbon capture. This circularity ensures that the primary capturing agent—the recycled glove—remains in use rather than becoming waste itself.