Graphene based membranes could help control CO2 emissions

Researchers from Korea's Hanyang University developed new graphene membrane based technology to separate carbon dioxide (CO₂) from nitrogen and hydrogen. This could lead to low-cost greenhouse-gas control systems, and the researchers hope it can be commercialized within two or three years.

The researchers used graphene and graphene oxide based membranes. To create the membranes, the researchers created pores in graphene sheets and then stacked them in such a way that ensured that only CO₂ molecules could go through.