Techno-economic evaluation of co-firing biomass gas with natural gas in existing NGCC plants with and without CO2 capture

Techno-economic evaluation of co-firing biomass gas with natural gas in existing NGCC plants with... •The impact of biomass gas quantity and quality on the performance and economics of co-firing at a NGCC power plant is assessed, including the impact of capture.•Three co-firing levels (5%, 20%, 40%) and three biomass gasification technologies (atmospheric air-blown gasification, pressurized oxygen-blown gasification and atmospheric indirectly heated gasification) were evaluated.•The results show that the type of the gasification technology did not have a major impact on plant efficiency, emission intensity or cost of electricity of co-firing.•Different economic conditions were assessed to evaluate the conditions were required to make co-firing cost competitive. Modest incentives (carbon price>27 $/t CO2 and REC>10 $/MWh or combination of both at lower levels) were found to be sufficient to encourage co-firing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Greenhouse Gas Control Elsevier

Techno-economic evaluation of co-firing biomass gas with natural gas in existing NGCC plants with and without CO2 capture

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Publisher
Elsevier
Copyright
Copyright © 2016 Elsevier Ltd
ISSN
1750-5836
eISSN
1878-0148
D.O.I.
10.1016/j.ijggc.2016.03.007
Publisher site
See Article on Publisher Site

Abstract

•The impact of biomass gas quantity and quality on the performance and economics of co-firing at a NGCC power plant is assessed, including the impact of capture.•Three co-firing levels (5%, 20%, 40%) and three biomass gasification technologies (atmospheric air-blown gasification, pressurized oxygen-blown gasification and atmospheric indirectly heated gasification) were evaluated.•The results show that the type of the gasification technology did not have a major impact on plant efficiency, emission intensity or cost of electricity of co-firing.•Different economic conditions were assessed to evaluate the conditions were required to make co-firing cost competitive. Modest incentives (carbon price>27 $/t CO2 and REC>10 $/MWh or combination of both at lower levels) were found to be sufficient to encourage co-firing.

Journal

International Journal of Greenhouse Gas ControlElsevier

Published: Jun 1, 2016

References

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