Pyridinic-graphene membranes show promise for large‑scale carbon capture
Researchers from EPFL have conducted a comprehensive techno‑economic assessment of a novel graphene‑based membrane that could transform carbon capture across energy‑intensive industries. The study focuses on pyridinic‑graphene – a single‑atom‑thick graphene sheet featuring angstrom‑scale pores doped with nitrogen atoms that create a strong preference for CO₂ over other gases.
Representation of three generations of graphene membranes. Image from: Nature Sustainability
Led by Marina Micari and Kumar Varoon Agrawal, the work combines empirical membrane performance data with process modeling and uncertainty‑aware cost analysis. By simulating realistic plant operation – energy consumption, gas‑flow dynamics, and pressure drops – the researchers evaluated how these membranes would perform under different industrial conditions. The results build on EPFL’s broader effort to develop scalable, high‑performance graphene membranes for gas separations.
Source: https://www.graphene-info.com/pyridinic-graphene-membranes-show-promise-large-scale-carbon-capture
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