5 results found
Bierbaum R, Cowie A, Gorsevski V, et al., 2015, Optimizing the Global Environmental Benefits of Transport Biofuels: A STAP Advisory Document, Publisher: Global Environment Facility (GEF), GEF/STAP
An Advisory Document prepared by the Scientific and Technical Advisory Panel (STAP) of the Global Environment Facility (GEF).
Rack M, Valdivia S, Sonnemann G, 2013, Life Cycle Impact Assessment—where we are, trends, and next steps: a late report from a UNEP/SETAC Life Cycle Initiative workshop and a few updates from recent developments, The International Journal of Life Cycle Assessment, Pages: 1-8, ISSN: 0948-3349
Sonnemann G, Vigon B, Rack M, et al., 2013, Global guidance principles for life cycle assessment databases: development of training material and other implementation activities on the publication, The International Journal of Life Cycle Assessment, Pages: 1-4, ISSN: 0948-3349
Lugato E, Vaccari FP, Genesio L, et al., 2012, An energy-biochar chain involving biomass gasification and rice cultivation in Northern Italy, Global Change Biology Bioenergy
The competing demand for food and bioenergy requires new solutions for the agricultural sector as, for instance, the coupling of energy production from gasification technology and the application of the resulting biochar as soil amendment. However, a full assessment of the energetic performances and greenhouse gases (GHG) impact needs to be evaluated at the specific scale, as well as the impact on crop responses. This study considered the gasification technology of the Advanced Gasification Technology (AGT, Italy), which developed a fixed-bed, down-draft, open core, compact gasifier, having 350 kW of nominal electric capacity (micro-generation); this gasifier uses biomass feedstock deriving from agricultural/forest products and byproducts. In this study, the resulting biochar, derived from conifer wood chips of mountain forestry management in North-western Italy, was applied to a close by paddy rice field, located in the largest rice agricultural area of Europe. We completed a Life Cycle Analysis (LCA) adapting the BEAT2 model and focusing on the GHG balance of the supply chain, from the forestry management to the field distribution of the resulting biochar. The results indicated that the gasification stage had the highest impact in the supply chain in terms of emissions, but net emissions allocated to biochar were always negative (ranging between -0.54 and -2.1 t CO2e t-1 biochar), hypothesizing a 32 and 7.3 % biochar mineralization rate in soil, over a time period of 100 years. Furthermore, biochar had a marginal but positive effect on rice yield, supporting the feasibility of this energy-biochar chain.
Rack M, 2009, LCA of Novel Bio-Based Packaging Materials
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