Biochar is a product obtained from biomass pyrolysis or gasification. One of the most important application of biochar is in agronomic sector, as soil improver. However in Italy use of biochar as soil amendant is subordinated to insert this product in the national fertilizer list. The aim of this paper is to analyze the biochar obtained from gasification process (using an Imbert downdraft prototype), in particular investigating its energetic aspect in terms of calorific value and chemical composition and its potentiality as soil improver in terms of European and Italian regulations. In this sense results obtained show a biochar with a lower heating value of 25-26 MJ/kg and a carbon content of around 75%. Referring to the agronomic properties, biochar produced shows a low content in heavy metals, an alkaline pH and good soil‟s water retention capacity without phytotoxicity effects on crops.
|Autori:||Colantoni, A.;Longo, L.;Evic, N.;Gallucci, F.;Delfanti L.|
|Data di pubblicazione:||2015|
|Titolo:||Use of Hazelnut‟s Pruning to Produce Biochar by Gasifier Small Scale Plant.|
|Rivista:||INTERNATIONAL JOURNAL OF RENEWABLE ENERGY RESEARCH|
|Appare nelle tipologie:||1.1 Articolo in rivista|