New air filter turns building vents into passive carbon capture devices

[rangerrebew]

New air filter turns building vents into passive carbon capture devices
10/22/2025 / By Willow Tohi



Scientists have developed a new air filter using carbon nanofibers that can capture carbon dioxide directly from building ventilation systems.

The filter can be regenerated using low-energy methods like sunlight or a brief electric pulse, releasing the CO2 for storage or reuse.

Research indicates the technology could achieve a net carbon removal efficiency of 92.1 percent and cost between $209 and $668 per ton of CO2 captured.

Widespread global adoption in buildings could potentially remove up to 596 million tons of CO2 from the atmosphere annually

The approach offers a distributed alternative to large, centralized carbon capture plants, potentially integrating carbon removal into existing urban infrastructure.

https://www.pollution.news/2025-10-22-new-air-filter-building-vents-carbon-capture.html

[rangerrebew]

Does the amount of CO2 captured equal or surpass the amount created in their production?

[BobfromWB]

Does the amount of CO2 captured equal or surpass the amount created in their production?

Like most things 'green,' it probably does use more of what its suppose to fix.

[roamer_1]

This is just dumb. Encourage gardens inside the building- The plants absorb CO2 and release oxygen.

I swear, folks are far away from 'what God said'.