Kristina M. Holmgren
Chalmers University of Technology, Inst of Energy and Environment dep. of Heat and Power Technology, Gothenburg, Sweden \ IVL Swedish Environmental Research Institute Ltd, Gothenburg, Sweden
Thore Bernsson
Chalmers University of Technology, Inst of Energy and Environment dep. of Heat and Power Technology, Gothenburg, Sweden
Eva Andersson
CIT Industriell Energi, Gothenburg, Sweden
Tomas Rydberg
IVL Swedish Environmental Research Institute Ltd, Gothenburg, Sweden
Ladda ner artikel
http://dx.doi.org/10.3384/ecp110573098Ingår i: World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden
Linköping Electronic Conference Proceedings 57:13, s. 3098-3105
Publicerad: 2011-11-03
ISBN: 978-91-7393-070-3
ISSN: 1650-3686 (tryckt), 1650-3740 (online)
Biomass gasification is identified as one of the key technologies for producing biofuels for the transport sector and can also produce many other types of products. Biomass gasification systems are large-scale industrial systems and it is important to evaluate such systems from economic; environmental and synergetic perspectives before implementation. The objective of this study is to define a methodology for evaluating the greenhouse gas (GHG) impact of different biomass gasification systems and to exemplify the methodology. The ultimate purpose of the methodology is to evaluate the GHG performance of different biomass gasification systems integrated in industrial clusters. A life cycle perspective is applied.
Most biomass gasification systems are multiproduct systems; simultaneously producing biofuels; heat at different temperatures and pressures and electricity. The value; in economic terms and in terms of GHG emissions; is well defined for some products (e.g. biofuels); whereas for other products (such as heat and electricity) it is more uncertain and in some cases dependent on time and location.
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