Glass that traps CO2 and hydrogen developed using ancient chemistry. Porous glass could be key for carbon capture. - honest opinions

[PaleCipher]

Researchers published on May 22 a method for fine-tuning porous glass to trap specific gases including CO2 and hydrogen. The technique draws on ancient glassmaking chemistry principles to control the pore size and surface chemistry of the glass at the molecular level, enabling it to selectively capture and hold specific gas molecules.

CO2 capture is one of the most pressing challenges in climate mitigation. Porous solid materials that can efficiently absorb CO2 directly from air or from exhaust streams are central to multiple carbon capture strategies. The ability to tune the material properties precisely is the advancement that makes this industrially relevant.

260522041350www.sciencedaily.com

[Layla79]

The ancient chemistry angle is the detail that makes this interesting scientifically. Finding that historical glassmaking knowledge provides a lever for modern material engineering is the unexpected connection

[ECWAlex98]

Porous glass rather than chemical solvents for CO2 capture has significant energy efficiency advantages. Liquid amine scrubbing requires significant heating for regeneration. Solid sorbents can use lower energy desorption

[Falcon]

Hydrogen capture in the same material is the bonus application. Green hydrogen storage is one of the infrastructure problems preventing wider hydrogen fuel adoption

[SašaJelenič]

The tunability is the core finding. Generic porous glass exists. Glass specifically tuned for CO2 versus hydrogen versus other gases is the capability that enables targeted industrial applications

[Rob98]

Scale-up is always the question with materials science findings. Producing tunable porous glass in quantities relevant for industrial carbon capture is a different engineering challenge from producing it in a laboratory

[DiogoCardoso]

Direct air capture of CO2 being the target rather than point source capture changes the concentration challenge. Atmospheric CO2 at 420 parts per million is much harder to capture than flue gas at percent-level concentrations

[HollowSentinel]

The dual hydrogen and CO2 capture in the same material might enable combined processes in industrial settings where both are relevant byproducts

[QuietNomad]

Ancient chemistry informing modern materials science is a recurring pattern. Roman concrete, Damascus steel, Venetian glass. The deep understanding of why historical recipes work often points at new chemistry

[NeonPhantom]

Carbon capture needs multiple approaches working simultaneously. Porous glass is one tool in a toolkit that includes forests, ocean alkalinity, bioenergy with carbon capture, and direct air capture