Ohio State University project looks to economically reduce emissions

Ohio State University is developing a process that could capture 99 percent of the carbon dioxide from coal-fired power generation, according to a report from the Wheeling Intelligencer and News-Register.

A research team at the university is using Coal-Direct Chemical Looping to generate electricity and capture the emissions. In the process, the coal is burned in a sealed reaction chamber that traps pollutants. According to the Intelligencer and News-Register, the CDCL reaction has been successfully produced and sustained for 203 continuous hours, and a pilot power plant that will use the technology is under construction at the U.S. Department of Energy’s National Carbon Capture Center in Alabama. The pilot power plant will use a similar process called Syngas Chemical Looping.

According the article, other pollutants such as sulfur oxides are also easily manageable in the CDCL process, and the process produces less nitrogen oxide, which can be captured by a traditional selective catalytic reduction unit.

The report stated the research team’s sustained reaction was achieved in a unit producing about 25 KW of power, while the pilot plant in Alabama will produce about 10 that much power.  A larger pilot plant will likely follow that.

The project is being sponsored by Consol Energy. A representative from Consol told the Intelligencer and News-Register that it would take “an absolute minimum” of five to 10 years to bring the CDCL technology to market.

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