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Scheda pubblicazione
Titolo:
Characterization of Woodchips for Energy from Forestry and Agroforestry Production.
Autori:
Picchio, R.; Spina, R.; Sirna, A.; Lo Monaco, A.; Civitarese, V.; Del Giudice, A.; Suardi, A.; Pari, L.
Anno:
2012
Lingue:
ENG, eng
Rivista:
Energies
Tipo di pubblicazione:
Cartaceo
Luogo:
Postfach, CH-4005 Basel,
Editore:
MDPI AG-Energies Editorial Office
Riassunto in Italiano:
Riassunto in Inglese:
We set out to determine the particle-size distribution, the fiber, the bark and the leaves content, the heating value, the CNH and the ash content of a wide sample of wood chips, collected from 10 forestry and 10 agroforestry production sources. This sampling focused on two main production types: forestry (Full Tree System—FTS—and logging residues—LR) and agroforestry (Short Rotation Coppice—SRC). For the forestry production wood chips from coniferous and broadleaf species were considered. For the agroforestry production wood chips from poplar plantations were examined (different clones with two different harvesting intervals). Overall, we collected 400 samples. Particle size distribution was determined with an automatic screening device on 200 samples. The higher heating value was determined on 200 subsamples using an adiabatic bomb calorimeter. The CNH and the ash content was ascertained on another 200 subsamples. FTS and SRC (with three year old sprouts) offered the best quality, with high fiber content (71%–80%), favorable particle-size distribution and good energetic parameters. On the contrary, both logging residues and SRC (with two year old sprouts) presented a high bark content (18%–27%) and occasionally a mediocre particle-size distribution, being often too rich in fines (6%–12%), but the energetic parameters are in the normal range.
Link:
www.mdpi.com/journal/energies

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