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Climate effects of electricity production fuelled by coal, forest slash and municipal solid waste with and without carbon capture
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). (Sustainable Built Environment)
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). (Sustainable Built Environment)
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). (Sustainable Built Environment)
2017 (engelsk)Inngår i: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 122, s. 711-723Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We analyse the climate implications of producing electricity in large-scale conversion plants using coal, forest slash and municipal solid waste with and without carbon capture and storage (CCS). We calculate the primary energy, carbon dioxide (CO2) and methane (CH4) emission profiles, and the cumulative radiative forcing (CRF) of different systems that produce the same amount of electricity. We find that using slash or waste for electricity production instead of coal somewhat increases the instantaneous CO2 emission from the power plant, but avoids significant subsequent emissions from decaying slash in forests or waste in landfills. For slash used instead of coal, we find robust near- and long-term reductions in total emissions and CRF. Climate effects of using waste instead of coal are more ambiguous: CRF is reduced when CCS is used, but without CCS there is little or no climate benefits of using waste directly for energy, assuming that landfill gas is recovered and used for electricity production. The application of CCS requires more fuel, but strongly reduces the CO2 emissions. The use of slash or waste together with CCS results in negative net emissions and CRF, i.e. global cooling.

sted, utgiver, år, opplag, sider
Elsevier, 2017. Vol. 122, s. 711-723
Emneord [en]
Forest residues; Landfill; Carbon capture and storage; Radiative forcing; Fuel substitution
HSV kategori
Identifikatorer
URN: urn:nbn:se:lnu:diva-61035DOI: 10.1016/j.energy.2017.01.076ISI: 000399267100060Scopus ID: 2-s2.0-85011891091OAI: oai:DiVA.org:lnu-61035DiVA, id: diva2:1077811
Tilgjengelig fra: 2017-03-01 Laget: 2017-03-01 Sist oppdatert: 2019-09-06bibliografisk kontrollert

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Sathre, RogerGustavsson, LeifTruong, Nguyen Le

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