Influence of chipping device and storage method on the quality of SRC poplar biomass

Luigi Pari; Vincenzo Civitarese; Angelo del Giudice; Alberto Assirelli; Raffaele Spinelli; Enrico Santangelo

doi:10.1016/j.biombioe.2013.01.019

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Influence of chipping device and storage method on the quality of SRC poplar biomass

Journal article

Peer reviewed

Influence of chipping device and storage method on the quality of SRC poplar biomass

Luigi Pari, Vincenzo Civitarese, Angelo del Giudice, Alberto Assirelli, Raffaele Spinelli and Enrico Santangelo

Biomass and Bioenergy, Vol.51, pp.169-176

2013

DOI: https://doi.org/10.1016/j.biombioe.2013.01.019

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Abstract

Engineering

Technology

Agricultural and Veterinary Sciences

moisture content

chip size distribution

harvesting

drying

energy

Populus spp.

Wood chips need to fulfill specific quality parameters in order to be used as fuel for industrial or residential use. Moisture content and chip size distribution are recognized as the main physical characteristics affecting energy conversion efficiency. Objective of the study was to evaluate the effects of harvesting mode on the quality of wood chips, under the typical conditions offered by SRC poplar grown in Central Italy. Single-pass and two-pass harvesting were compared. Standing stems and cut windrowed stems were harvested using two modified foragers alternately equipped with a drum or a disc chipper, allowing a further comparison of different chipping devices. Data were obtained from 3 fields in Central Italy and allowed analyzing the drying process occurring when stems are felled and stored in the field as windrows. The mean water content at the time of cutting was 59% (wH2O)(wH2O), which was reduced below 30% after about 100 days of storage in the windrows. Regression analysis of storage duration and moisture content showed that air temperature is the main driver of the drying process, under the typical conditions of a Mediterranean climate. Harvest mode (single-pass or two-pass) and chipping device (drum or disc) have a significant effect on particle-size distribution. The incidence of accept particle was higher when chipping windrowed stems or using the drum chipper. The paper discusses the advantages of two-pass harvesting and emphasizes the importance of flexibility when choosing harvest mode and chipper type.

Details

Title: Influence of chipping device and storage method on the quality of SRC poplar biomass
Authors: Luigi Pari (Author) - CRA ING, Italy
Vincenzo Civitarese (Author) - CRA ING, Italy
Angelo del Giudice (Author) - CRA ING, Italy
Alberto Assirelli (Author) - CRA ING, Italy
Raffaele Spinelli (Author) - CNR IVALSA, Italy
Enrico Santangelo (Author) - CRA ING, Italy
Publication details: Biomass and Bioenergy, Vol.51, pp.169-176
Publisher: Pergamon
Date published: 2013
DOI: 10.1016/j.biombioe.2013.01.019
ISSN: 0961-9534
Organisation Unit: University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99449961602621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Agricultural Engineering; Biotechnology & Applied Microbiology; Energy & Fuels

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