Carbon Dioxide Capture and Utilization for Gas Engine


Sodium glycinate absorption and ethylene carbonate synthesis from a mixture gas of ethylene oxide and carbon dioxide are evaluated as carbon dioxide capture and utilization system for gas engine flue gas. The energy requirement for CO2 capture is estimated at 3.3 GJ/tonne CO2. The ethylene carbonate synthesis utilizes more than 90% of the captured CO2 and supply 2.5 GJ/tonne CO2 of thermal energy, which is 76% of the energy requirement for CO2 capture. The thermal integration of the sodium glycinate absorption and the ethylene carbonate synthesis reduces the energy requirement for CO2 capture from 3.3 GJ/tonne CO2 to 0.8 GJ/tonne CO2. The energy requirement for the CO2 capture is supplied using the steam saturated at 0.78 MPa from the gas engine without its electric power reduction.

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T. Ogawa, "Carbon Dioxide Capture and Utilization for Gas Engine," Energy and Power Engineering, Vol. 5 No. 10, 2013, pp. 587-590. doi: 10.4236/epe.2013.510064.

Conflicts of Interest

The authors declare no conflicts of interest.


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