Product contamination and harvesting losses from mechanized recovery of olive tree pruning residues for energy use

Andrea Acampora; Sara Croce; Alberto Assirelli; Angelo Del Guidice; Raffaele Spinelli; Alessandro Suardi; Luigi Pari

doi:10.1016/j.renene.2012.12.009

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Product contamination and harvesting losses from mechanized recovery of olive tree pruning residues for energy use

Journal article

Peer reviewed

Product contamination and harvesting losses from mechanized recovery of olive tree pruning residues for energy use

Andrea Acampora, Sara Croce, Alberto Assirelli, Angelo Del Guidice, Raffaele Spinelli, Alessandro Suardi and Luigi Pari

Renewable Energy, Vol.53, pp.350-353

2013

DOI: https://doi.org/10.1016/j.renene.2012.12.009

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Abstract

Electrical and Electronic Engineering

Mechanical Engineering

biomass

energy

wood

ash

shredding

The authors tested six commercial pruning harvesters to determine harvesting losses and product contamination when recovering pruning residues from an overgrown olive orchard, typical of Southern Italy. All harvesters used a mechanical pick-up to collect the residues and a shredder to reduce them into chips. Three different pick-up settings were tested and namely: 1 cm above ground level, manufacturer's specification and 3 cm above ground level. Ash content in the shredded material was taken as a measure of contamination. The ash content of uncontaminated branch material collected directly from the trees was 3.5%. Ash content in shredded residues varied between 4.5% and over 5.5%, for the shortest and the longest distance between the pick-up and the soil surface, respectively. In contrast, harvesting losses were weakly (but significantly) related to pick-up setting, and mainly depended on machine type.

Details

Title: Product contamination and harvesting losses from mechanized recovery of olive tree pruning residues for energy use
Authors: Andrea Acampora (Author) - CRA ING, Italy
Sara Croce (Author) - CRA ING, Italy
Alberto Assirelli (Author) - CRA ING, Italy
Angelo Del Guidice (Author) - CRA ING, Italy
Raffaele Spinelli (Author) - CNR IVALSA, Italy
Alessandro Suardi (Author) - CRA ING, Italy
Luigi Pari (Author) - CRA ING, Italy
Publication details: Renewable Energy, Vol.53, pp.350-353
Publisher: Pergamon
Date published: 2013
DOI: 10.1016/j.renene.2012.12.009
ISSN: 0960-1481
Organisation Unit: University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99448843702621
Output Type: Journal article

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