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Open AccessArticle

Life-Cycle Assessment of the Use of Peach Pruning Residues for Electricity Generation

1
Institute of Agricultural Engineering, Wrocław University of Environmental and Life Sciences, 51-630 Wroclaw, Poland
2
Faculty of Environmental Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
3
Avebiom–Spanish Biomass Association, 47004 Valladolid, Spain
4
Spain and Research Centre for Energy Resources and Consumption (CIRCE), 50018 Zaragoza, Spain
5
Department of Energy and Technology, Swedish University of Agricultural Sciences, 75232 Uppsala, Sweden
*
Author to whom correspondence should be addressed.
Energies 2020, 13(11), 2734; https://doi.org/10.3390/en13112734
Received: 26 April 2020 / Revised: 16 May 2020 / Accepted: 27 May 2020 / Published: 29 May 2020
(This article belongs to the Special Issue Biomass Wastes for Energy Production)
Biomass residues from permanent crops might be an alternative fuel for energy generation in a local market with limited transport distances. Moreover, as activities related to CO2 reduction are of special attention in the European Union (EU), sustainable use of resources plays an important role in climate change mitigation. In this paper, a life-cycle assessment (LCA) of the integrated value chain from peach pruning residues for electricity generation is presented and compared with the common practice including the mulching process of the pruned biomass in an orchard. It was shown that biomass harvesting, chipping and its delivery to a power plant—the Pruning-to-Energy (PtE) scenario—is feasible from an environmental point of view. The total global warming potential (GWP) of this value chain was 200 kg CO2 eq.·ha−1 (or 27 kg CO2 eq.·GJ−1). In turn, the mulching and leaving of the pruned biomass in an orchard—the pruning-to-soil (PtS) scenario—is characterized by a CO2 equivalent of 2360 kg·ha−1. Other impact categories showed a lower environmental impact for the PtE scenario as well. When considering the Spanish electricity-mix instead of coal-based electricity, the PtS scenario score better in most impact categories, but the GWP for the PtE scenario remains lower. View Full-Text
Keywords: peach pruning residues; electricity production; life cycle assessment; LCA; biomass-to-energy peach pruning residues; electricity production; life cycle assessment; LCA; biomass-to-energy
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MDPI and ACS Style

Den Boer, J.; Dyjakon, A.; Den Boer, E.; García-Galindo, D.; Bosona, T.; Gebresenbet, G. Life-Cycle Assessment of the Use of Peach Pruning Residues for Electricity Generation. Energies 2020, 13, 2734.

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