From: DOE / Idaho National Laboratory
Published December 18, 2017 10:13 AM

Technique Could Help the Nation's Coal Plants Reduce Greenhouse Gas Emissions

Carbon capture could help the nation’s coal plants reduce greenhouse gas emissions, yet economic challenges are part of the reason the technology isn’t widely used today. That could change if power plants could turn captured carbon into a usable product.

Scientists at the U.S. Department of Energy’s Idaho National Laboratory have developed an efficient process for turning captured carbon dioxide into syngas, a mixture of H2 and CO that can be used to make fuels and chemicals. The team has published its results in Green Chemistry, a publication of the Royal Society of Chemistry.

Traditional approaches for reusing the carbon from CO2 involve a reduction step that requires high temperatures and pressures. At lower pressures, the CO2doesn’t stay dissolved in water long enough to be useful. The process developed at INL addresses this challenge by using specialized liquid materials that make the CO2 more soluble and allow the carbon capture medium to be directly introduced into a cell for electrochemical conversion to syngas. In short, it provides industrially relevant conversion rates, unlike other systems.

Read more at DOE / Idaho National Laboratory

Image Credit: Idaho National Laboratory

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