Alternative storage systems of Arundo donax L. and characterization of the stored biomass
Pari, L.; Scarfone, A.; Santangelo, E.; Figorilli, S.; Crognale, S.; Petruccioli, M.; Suardi, A.; Gallucci, F.; Barontini, M.
Industrial Crops and Products
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Arundo donax L. has received much attention from researchers as biomass crop because of its vigorousgrowth, high productivity and low agronomic inputs requirements. Once harvested, the chopped biomassof A. donax L. may be stored for a variable period according to energy demand or logistic reasons. As con-sequence of storage, the chopped biomass may undergo processes of degradation that can compromisethe energy yield of the product and the economic convenience of the cultivation.In the view of preserving the A. donax L. biomass for producing different kind of energy, such asbio-ethanol, biogas, and fuel for combustion, the aim of this study was to investigate, in small-scale,different storage systems assessing the dynamics of storage and their effects on energy losses and fuelquality. The work has included different studies, such as (i) the monitoring of heat development, moisturecontent and dry matter losses, (ii) the analysis of polymeric compounds and combustion performances.Results indicate that according to the storage method adopted, the conservation of the product can besignificantly influenced, with clear impacts on its energy potential. Polymeric composition changed afterstorage according to the method used, while energetic characteristics were not remarkably affected.