The Use of Black Pine Bark for Improving the Properties of Wood Pellets

The requirement for alternative raw materials for fuel pellets that would enable the use of readily available low-cost renewable resources and waste materials, such as bark, has always attracted interest. The aim of the current work was to assess the effect of black pine (<i>Pinus nigra</i&...

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Main Authors: Charalampos Lykidis, Vasiliki Kamperidou, George I. Mantanis
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Forests
Subjects:
Online Access:https://www.mdpi.com/1999-4907/14/6/1069
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author Charalampos Lykidis
Vasiliki Kamperidou
George I. Mantanis
author_facet Charalampos Lykidis
Vasiliki Kamperidou
George I. Mantanis
author_sort Charalampos Lykidis
collection DOAJ
description The requirement for alternative raw materials for fuel pellets that would enable the use of readily available low-cost renewable resources and waste materials, such as bark, has always attracted interest. The aim of the current work was to assess the effect of black pine (<i>Pinus nigra</i> L.) bark content (0%–100%) as well as densification temperature on the properties of black pine wood pellets produced in a single pellet die. The quality assessment of the pellets was carried out by the determination of radial compression strength, density, moisture content, ash content, and surface roughness. The results showed that adding black pine bark to the pellet feedstock resulted in the production of substantially smoother and moderately denser pellets, which also exhibited higher mechanical strength than that of the respective pellets of pure wood. Finally, it was shown that black pine bark can be a valuable raw material, which can induce improved bonding of biomass particles and may provide the opportunity to create pellets of favorable characteristics at a lower temperature compared to those made of pure wood.
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spelling doaj.art-2892a0ddb539468f89800ad143b6ddc42023-11-18T10:25:57ZengMDPI AGForests1999-49072023-05-01146106910.3390/f14061069The Use of Black Pine Bark for Improving the Properties of Wood PelletsCharalampos Lykidis0Vasiliki Kamperidou1George I. Mantanis2School of Forestry and Natural Environment, Laboratory of Wood Technology, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceDepartment of Forestry, Wood Sciences and Design, University of Thessaly, 43100 Karditsa, GreeceDepartment of Forestry, Wood Sciences and Design, University of Thessaly, 43100 Karditsa, GreeceThe requirement for alternative raw materials for fuel pellets that would enable the use of readily available low-cost renewable resources and waste materials, such as bark, has always attracted interest. The aim of the current work was to assess the effect of black pine (<i>Pinus nigra</i> L.) bark content (0%–100%) as well as densification temperature on the properties of black pine wood pellets produced in a single pellet die. The quality assessment of the pellets was carried out by the determination of radial compression strength, density, moisture content, ash content, and surface roughness. The results showed that adding black pine bark to the pellet feedstock resulted in the production of substantially smoother and moderately denser pellets, which also exhibited higher mechanical strength than that of the respective pellets of pure wood. Finally, it was shown that black pine bark can be a valuable raw material, which can induce improved bonding of biomass particles and may provide the opportunity to create pellets of favorable characteristics at a lower temperature compared to those made of pure wood.https://www.mdpi.com/1999-4907/14/6/1069barkblack pinecompression strengthdensificationpelletroughness
spellingShingle Charalampos Lykidis
Vasiliki Kamperidou
George I. Mantanis
The Use of Black Pine Bark for Improving the Properties of Wood Pellets
Forests
bark
black pine
compression strength
densification
pellet
roughness
title The Use of Black Pine Bark for Improving the Properties of Wood Pellets
title_full The Use of Black Pine Bark for Improving the Properties of Wood Pellets
title_fullStr The Use of Black Pine Bark for Improving the Properties of Wood Pellets
title_full_unstemmed The Use of Black Pine Bark for Improving the Properties of Wood Pellets
title_short The Use of Black Pine Bark for Improving the Properties of Wood Pellets
title_sort use of black pine bark for improving the properties of wood pellets
topic bark
black pine
compression strength
densification
pellet
roughness
url https://www.mdpi.com/1999-4907/14/6/1069
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