Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other Purposes

Solid biomass can be used for energy generation and the production of various renewable bioproducts. The aim of this study was to determine the yield and characteristics of wood obtained as debarking residue from 14 genotypes of short-rotation woody crops (SRWCs). These included five <i>Populu...

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Main Authors: Mariusz Jerzy Stolarski, Łukasz Gil, Michał Krzyżaniak, Ewelina Olba-Zięty, Ai-Min Wu
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/17/7/1535
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author Mariusz Jerzy Stolarski
Łukasz Gil
Michał Krzyżaniak
Ewelina Olba-Zięty
Ai-Min Wu
author_facet Mariusz Jerzy Stolarski
Łukasz Gil
Michał Krzyżaniak
Ewelina Olba-Zięty
Ai-Min Wu
author_sort Mariusz Jerzy Stolarski
collection DOAJ
description Solid biomass can be used for energy generation and the production of various renewable bioproducts. The aim of this study was to determine the yield and characteristics of wood obtained as debarking residue from 14 genotypes of short-rotation woody crops (SRWCs). These included five <i>Populus</i> genotypes, one <i>Robinia</i> genotype, and eight <i>Salix</i> genotypes, harvested in both annual and quadrennial cycles. The results showed that the highest dry wood yield (12.42 Mg ha<sup>−1</sup> y<sup>−1</sup> DM) and yield energy value (244.34 GJ ha<sup>−1</sup> y<sup>−1</sup>) were obtained from willow (cultivar Żubr) harvested in a quadrennial cycle. The best effect among the poplar genotypes was achieved for the Hybryda275, and it was particularly marked in the quadrennial harvest cycle. The poorest results were determined for black locust. The <i>Robinia</i> characteristics included the significantly lowest moisture content (31.6%), which was a positive attribute from the energy point of view, but, on the other hand, it had some adverse characteristics—the highest levels of sulfur (0.033% DM), nitrogen (0.38% DM), and ash (0.69% DM). More beneficial properties in this respect were determined for willow and poplar wood. Moreover, willow and poplar wood contained more cellulose—51.8 and 50.0% DM, respectively—compared with black locust. Extending the SRWC shoot harvest cycle from annual to quadrennial resulted in an increase in cellulose, lignin, and carbon, higher heating value, and a decrease in nitrogen, sulfur, ash, and moisture content. Therefore, extending the harvest cycle improved the parameters of SRWC wood as an energy feedstock.
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spelling doaj.art-94f40572040f4015b2366641d1301b4b2024-04-12T13:17:40ZengMDPI AGEnergies1996-10732024-03-01177153510.3390/en17071535Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other PurposesMariusz Jerzy Stolarski0Łukasz Gil1Michał Krzyżaniak2Ewelina Olba-Zięty3Ai-Min Wu4Department of Genetics, Plant Breeding and Bioresource Engineering, Faculty of Agriculture and Forestry, University of Warmia and Mazury in Olsztyn, 10-724 Olsztyn, PolandDepartment of Genetics, Plant Breeding and Bioresource Engineering, Faculty of Agriculture and Forestry, University of Warmia and Mazury in Olsztyn, 10-724 Olsztyn, PolandDepartment of Genetics, Plant Breeding and Bioresource Engineering, Faculty of Agriculture and Forestry, University of Warmia and Mazury in Olsztyn, 10-724 Olsztyn, PolandDepartment of Genetics, Plant Breeding and Bioresource Engineering, Faculty of Agriculture and Forestry, University of Warmia and Mazury in Olsztyn, 10-724 Olsztyn, PolandGuangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, Guangzhou 510642, ChinaSolid biomass can be used for energy generation and the production of various renewable bioproducts. The aim of this study was to determine the yield and characteristics of wood obtained as debarking residue from 14 genotypes of short-rotation woody crops (SRWCs). These included five <i>Populus</i> genotypes, one <i>Robinia</i> genotype, and eight <i>Salix</i> genotypes, harvested in both annual and quadrennial cycles. The results showed that the highest dry wood yield (12.42 Mg ha<sup>−1</sup> y<sup>−1</sup> DM) and yield energy value (244.34 GJ ha<sup>−1</sup> y<sup>−1</sup>) were obtained from willow (cultivar Żubr) harvested in a quadrennial cycle. The best effect among the poplar genotypes was achieved for the Hybryda275, and it was particularly marked in the quadrennial harvest cycle. The poorest results were determined for black locust. The <i>Robinia</i> characteristics included the significantly lowest moisture content (31.6%), which was a positive attribute from the energy point of view, but, on the other hand, it had some adverse characteristics—the highest levels of sulfur (0.033% DM), nitrogen (0.38% DM), and ash (0.69% DM). More beneficial properties in this respect were determined for willow and poplar wood. Moreover, willow and poplar wood contained more cellulose—51.8 and 50.0% DM, respectively—compared with black locust. Extending the SRWC shoot harvest cycle from annual to quadrennial resulted in an increase in cellulose, lignin, and carbon, higher heating value, and a decrease in nitrogen, sulfur, ash, and moisture content. Therefore, extending the harvest cycle improved the parameters of SRWC wood as an energy feedstock.https://www.mdpi.com/1996-1073/17/7/1535<i>Populus</i><i>Robinia</i><i>Salix</i>short-rotation coppicewoodsolid biofuel
spellingShingle Mariusz Jerzy Stolarski
Łukasz Gil
Michał Krzyżaniak
Ewelina Olba-Zięty
Ai-Min Wu
Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other Purposes
Energies
<i>Populus</i>
<i>Robinia</i>
<i>Salix</i>
short-rotation coppice
wood
solid biofuel
title Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other Purposes
title_full Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other Purposes
title_fullStr Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other Purposes
title_full_unstemmed Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other Purposes
title_short Willow, Poplar, and Black Locust Debarked Wood as Feedstock for Energy and Other Purposes
title_sort willow poplar and black locust debarked wood as feedstock for energy and other purposes
topic <i>Populus</i>
<i>Robinia</i>
<i>Salix</i>
short-rotation coppice
wood
solid biofuel
url https://www.mdpi.com/1996-1073/17/7/1535
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