ExxonMobil, FuelCell Energy pursue novel technology in carbon capture

ExxonMobil, FuelCell Energy pursue novel technology in carbon capture

9:37 AM, 6th May 2016
ExxonMobil, FuelCell Energy logo

IRVING, US: ExxonMobil Corporation and FuelCell Energy Inc has signed an agreement to pursue novel technology in power plant carbon dioxide capture through a new application of carbonate fuel cells, which could substantially reduce costs and lead to a more economical pathway toward large-scale application globally.

The scope of the agreement between ExxonMobil and FuelCell Energy will initially focus for about one to two years on, how to further increase efficiency in separating and concentrating carbon dioxide from the exhaust of natural gas-fuelled power turbines. Depending on reaching several milestones, the second phase will more comprehensively test the technology for another one to two years in a small-scale pilot project prior to integration at a larger-scale pilot facility.

Comprehensive laboratory tests have demonstrated that the unique integration of two existing technologies – carbonate fuel cells and natural gas-fired power generation – captures carbon dioxide more efficiently than existing scrubber conventional capture technology.

The resulting benefit has the potential to substantially reduce costs associated with carbon capture for natural gas-fired power generation, compared to the expected costs associated with conventional separation technology. A key component of the research will be to validate initial projected savings of up to one-third.

Using fuel cells to capture carbon dioxide from power plants results in reduced emissions and increased power generation. In the carbon capture context, power plant exhaust is directed to the fuel cell, replacing air that is normally used in combination with natural gas during the fuel cell power generation process. As the fuel cell generates power, the carbon dioxide becomes more concentrated, allowing it to be more easily and affordably captured from the cell’s exhaust and stored.

“Advancing economic and sustainable technologies to capture carbon dioxide from large emitters such as power plants is an important part of ExxonMobil’s suite of research into lower-emissions solutions to mitigate the risk of climate change,” said Vijay Swarup, vice president for research and development at ExxonMobil Research & Engineering Company.

“Carbon capture with carbonate fuel cells is a potential game-changer for affordably and efficiently concentrating carbon dioxide for large-scale gas and coal-fired power plants. Ultra-clean and efficient power generation is a key attribute of fuel cells and the carbon capture configuration has the added benefit of eliminating approximately 70 percent of the smog-producing nitrogen oxide generated by the combustion process of these large-scale power plants,” said Chip Bottone, president and CEO of FuelCell Energy.

“We are continually researching technologies that have an ability to reduce carbon dioxide emissions,” Swarup said. “Most solutions that can make an impact of the scale that is required are not found overnight. Our research with FuelCell Energy will be conducted methodically to ensure that all paths toward viability are explored.”

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