Researchers at the Georgia Institute of Technology have developed a strategy to capture, store and eventually recycle carbon from vehicles. Their goal is to create a sustainable transportation system that uses a liquid fuel and traps the carbon emission in the vehicle for later processing at a fueling station. The carbon would then be shuttled back to a processing plant where it could be transformed into liquid fuel.
The researchers chose a hydrogen-fueled vehicle because pure hydrogen produces no carbon emissions when used as a fuel to power the vehicle. The Georgia Tech team created a fuel processor called the CO2/H2 Active Membrane Piston (CHAMP) reactor, which is capable of efficiently producing hydrogen and separating and liquefying CO2 from a liquid hydrocarbon or synthetic fuel used by an internal combustion engine or fuel cell.
After the carbon dioxide is separated from the hydrogen, it can then be stored in liquefied state on-board the vehicle. The liquid state is more stable, and easy to store and transport. The result is an enriched carbon byproduct that can be captured with minimal energetic penalty.
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