Life Cycle Assessment of biogas production by monofermentation of energy crops and injection into the natural gas grid

Jury, Colin; Benetto, Enrico; Köster, Daniel; Schmitt, Bianca; Welfring, Joëlle

doi:10.1016/j.biombioe.2009.09.011

Cited by 167 publications

(90 citation statements)

References 12 publications

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“…Study 4 (Jury et al, 2010) shows pre combustion results where biogas has a higher impact than natural gas for human health and ecosystem quality. However, for climate change, resources and cumulative energy and exergy demand, the results are opposite.…”

Section: Results and Conclusionmentioning

confidence: 99%

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Environmental Technology Assessment of Natural Gas Compared to Biogas

Eriksson¹

2010

Natural Gas

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Section: Results and Conclusionmentioning

confidence: 99%

“…4. Life Cycle Assessment of biogas production by monofermentation of energy crops and injection to the natural gas grid by Jury et al (2010). The study comprises both biogas and natural gas.…”

Section: Inventory Analysis and Impact Assessmentmentioning

confidence: 99%

Environmental Technology Assessment of Natural Gas Compared to Biogas

Eriksson¹

2010

Natural Gas

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“…Life Cycle Assessment (LCA) is an internationally accepted method to gain insight into the environmental consequences of a product or system (ISO 14040, 2006). This methodology has been widely used to assess the environmental profile of bioenergy production systems and numerous studies can be found in the literature (Dressler et al, 2012;Hartmann, 2006;Jury et al, 2010;Lansche and Müller, 2012). In these studies, bioenergy systems provide good opportunities to achieve environmental benefits when fossil fuels are replaced or when they are compared with conventional waste management (Börjesson and Berglund, 2007;De Vries et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…In these studies, bioenergy systems provide good opportunities to achieve environmental benefits when fossil fuels are replaced or when they are compared with conventional waste management (Börjesson and Berglund, 2007;De Vries et al, 2012). However, it is interesting to highlight that the environmental performance of a bioenergy system from biogas is considerably affected by the feedstock considered, the final use of the biogas and the digestate management (Poeschl et al, 2012a;b).…”

Section: Introductionmentioning

confidence: 99%

Electricity Production from Anaerobic Digestion of Animal Slurries in a Farm Scale Plants

Bacenetti

Fiala

2014

Proceedings of the 4th World Sustainability Forum

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Currently, in Italy, more than 1200 agricultural biogas plants are running, mainly in the northern regions. At the end of 2012, 1.65% of the Italian electric consumption was produced from agricultural biogas plants. The public incentives framework for electricity production from biogas has been updated by the D.M. of 6 July 2012: the highest value is granted to AD plants with electrical power < 300 kW and mainly fed with by-products. Specific economic bonuses are provided for heat valorization and nitrogen reduction in the digestate. Nevertheless, with regard to agricultural AD plants, remarkable environmental impacts could be due to biomass production as well as to digestate management. On the other hand, benefits could arise from electricity and heat generation from renewable sources and mineral fertilization substitution. The aim of this study is to assess the environmental profile of electricity production from four different AD plant mainly fed with animal slurry and electrical power lower than 300 kW. Using LCA method, the environmental performance of electricity production from biogas has been evaluated using 1 kWh of electricity as functional unit. All processes involved as well as the processes avoided by the biogas production system (e.g. electricity and thermal energy production) were included in the system boundaries and therefore evaluated. The most critical stages (environmental hotspots) were identified and discussed; mitigation strategies of the environmental burdens where evaluated too. Moreover, the outcomes of the environmental assessment were compared with the environmental impact related to the Italian electricity mix. The achieved OPEN ACCESS 2 results show that the electricity produced from the AD plant has better environmental performances than electricity produced from fossil fuels in particular for impact categories such as global warming and fossil depletion. Moreover, the recovery and the valorization of surplus heat reduce significantly the environmental burdens. Definitely, livestock slurries are a good feedstock for AD plants from an environmental point of view thanks to credits provided by a suitable waste management as well as to the absence of environmental burdens related to their production. The logistic aspects of the biomass supply must be carefully evaluated because the transportation of the feedstock over long distances can offset the environmental benefits due to the replacement of energy generation from fossil fuels.

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“…Assim, tendo em vista que a ACV ainda se encontra em desenvolvimento (ABNT, 2009a), as pesquisas com o objetivo de aprimorar a técnica tornaram-se cada vez mais frequentes (EKVALL; TILLMAN, 1997;BAUMANN, 1998;WEIDEMA, 1998;TILLMAN, 2000;GUINÉE et al, 2002;CURRAN;MANN;NORRIS, 2005 TAO, 2009;CHERUBINI et al, 2009;JURY et al, 2010;MIZSEY;RACZ, 2010 Assim, ao passo que a ACV de combustíveis renováveis tem sido bem documentada em escala nacional (OMETTO et al, 2009;CAVALETT et al, 2011;SEABRA et al, 2011;SOUZA et al, 2012;SOUZA;SEABRA, 2014 …”

Section: Contextualizaçãounclassified

Avaliação consequencial do ciclo de vida: discussão e aplicação comparativa com a abordagem atribucional

Scachetti¹

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Life Cycle Assessment of biogas production by monofermentation of energy crops and injection into the natural gas grid

Cited by 167 publications

References 12 publications

Environmental Technology Assessment of Natural Gas Compared to Biogas

Environmental Technology Assessment of Natural Gas Compared to Biogas

Electricity Production from Anaerobic Digestion of Animal Slurries in a Farm Scale Plants

Avaliação consequencial do ciclo de vida: discussão e aplicação comparativa com a abordagem atribucional

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