Submitted by LiveScience Staff
posted: 21 September 2009 11:14 am ET
Researchers have shown the benefits of a new approach toward eliminating carbon-dioxide emissions at coal-burning power plants.
The system, called pressurized oxy-fuel combustion, separates the carbon-dioxide emissions produced by the burning of coal, in the form of a concentrated, pressurized liquid stream, from other emissions. This allows for carbon dioxide sequestration.
That means, in theory, the liquid CO2 stream could be injected into geological formations deep enough to prevent their escape into the atmosphere, a process other researchers say could work as a way to store the carbon for eons, thereby keeping it out of the atmosphere.
A paper describing the research, led by Ahmed Ghoniem at MIT, was published in August in the journal Energy. The Italian energy company ENEL, the sponsor of the research, plans to build a pilot plant in Italy using the technology in the next few years.
(Read full story at MIT )
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