Carbon Mitigation Initiative

Ninth Year Annual Report: Carbon Capture

CMI Carbon Capture activities involve low-carbon energy research by the Williams Group, the Law Group, and the Arnold Group. The researchers investigate novel systems for producing energy that promote carbon capture and storage (CCS), strategies for integrating renewable energy into the existing grid, improvements to energy storage technologies, and the combustion of alternative fuels.


  • An innovative strategy that involves co-processing coal and biomass feedstocks with carbon capture and storage (CCS) to make both electricity and liquid fuels could
    • provide low-carbon transportation fuels requiring much lower biomass input and emissions prices to be competitive with crude oil products than cellulosic ethanol
    • motivate carbon capture and storage at much lower emission prices than CCS retrofits to coal power plants
  • An analysis of coal-based chemical plants in China suggests attractive opportunities for early CCS demonstration projects
  • Collaboration with Politecnico di Milano is showing how to improve the economics of gasifiers suitable for use with lower-rank coals in integrated gasifier combined cycles
  • In collaboration with the Storage Group, new research has been launched on the potential for brine produced from geological storage reservoirs to be used in plant cooling
  • Research into energy storage devices shows that storage efficiency increases with increasing rates of power generation
  • Princeton has been awarded $20 million for a new energy research center focused on combustion of alternative fuels in advanced engines
  • Biodiesel synthesized from waste vegetable oils has been found to have a much lower sooting propensity than that of regular diesel fuel

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Last update: February 17 2011
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