Babcock & Wilcox Power Generation Group (B&W PGG), a subsidiary of The Babcock & Wilcox Company (B&W), has secured $2.5m in funding from the US Department of Energy (DOE) for Phase 2 development of coal direct chemical looping (CDCL) technology, an advanced process for clean power generation and carbon dioxide (CO2) capture.

The Ohio State University (OSU) and B&W PGG researchers have collaborated for the development of CDCL technology, which is potentially lower cost than other CO2-capture technologies.

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B&W PGG president and COO J. Randall Data said, "Innovative solutions to capture and sequester CO2 are essential to coal’s future as a clean energy option in the United States.

"We appreciate the DOE’s continued support of our research and development efforts and look forward to adding CDCL technology to B&W PGG’s suite of advanced power generation systems and CO2 capture options."

The technology was developed and successfully tested at bench scale at the OSU’s labs in Columbus, Ohio.

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"The technology was developed and successfully tested at bench scale at the OSU’s labs in Columbus, Ohio."

Research and testing for the CDCL technology are progressing at the B&W Research Center in Barberton, Ohio and at OSU’s labs.

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B&W said that the latest technology uses a unique fuel reactor design where coal reacts with iron oxide-based oxygen carrier particles.

The chemical reaction changes coal into a concentrated stream of CO2, which will be used in enhanced oil recovery or for permanent storage, and reduces the iron-oxide.

The diluted oxygen carrier particles are re-oxidised in a second reactor where heat is released, which can be used to produce steam for the generation of power.

B&W PGG’s experience in circulating fluidised bed and bubbling bed technology was utilised in the development of the commercial scale design.

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