Characteristics of Wood and Charcoal from Eucalyptus clones

Silva, Macksuel Fernandes da; Fortes, Myla Medeiros; Sette, Carlos Roberto

doi:10.1590/2179-8087.035016

Cited by 17 publications

(19 citation statements)

References 16 publications

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“…The minimum and maximum values for volatile materials (83 to 87%) and fixed carbon (12 to 17%) D r a f t were similar to those found by Ignacio et al (2019), who evaluated these variables in several eucalyptus clones (E. grandis, E. saligna, E. dunnii, among others). Silva et al (2018) also found values in this same range for both variables in 7-year-old E. grandis x E. urophylla clones.…”

Section: Discussionsupporting

confidence: 67%

“…Regarding energy density, Lima et al (2020) found that there was a linear correlation between basic wood density and energy density, showing a strong influence of the first variable on the second. Energy density is an essential guideline for solid fuels, as it represents the amount of energy stored in a given volume (Silva et al 2018;Simetti et al 2018). The highest energy density was observed in the clone 2 (E. cloeziana) in Latossol, which produced more energy per cubic meter of wood.…”

Section: Discussionmentioning

confidence: 99%

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Wood energy quality of Eucalyptus spp. clones established under different soil types in the Brazilian Cerrado

et al. 2022

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The evaluation of wood energy quality of Eucalyptus clones planted in different edaphoclimatic conditions is fundamental to promote the sustainable expansion of energy forests to traditionally non-forest regions. This study aimed to evaluate the wood energy characteristics (proximate analysis, elemental analysis, higher heating value, basic and energy densities) from 5 Eucalyptus spp. clones planted in latosol and haplic plinthosol soils in the Brazilian Cerrado (Savannah), considered a traditionally non-forest region. The wood basic and energetic densities are influenced by genotype (clone) but not influenced by the soil type (site). The higher heating value and the proximate analysis showed a significant effect of interaction between clone and soil type. Thus, for these wood energy variables, the clones behave differently depending on the growing location (soil type). Our results indicate that the clone with E. cloeziana genes has the greatest energy potential because of the best wood quality: low ash (0.11 – 0.09 %), nitrogen contents (0.24 - 0.31%), higher basic density (490.60 – 487.22 kg.m-1) and energy density (9720.5 – 9589.1 MJ m-¹), for soil types Latosol and Plinthosol.

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Section: Discussionsupporting

confidence: 67%

Section: Discussionmentioning

confidence: 99%

Wood energy quality of Eucalyptus spp. clones established under different soil types in the Brazilian Cerrado

et al. 2022

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“…For energy purposes, specifically for charcoal production, wood basic densities ranging from medium to high (> 0.500 g cm -3 ) are desirable. In this research, T. vulgaris wood showed basic density ranging from 0.443 g cm -3 to 0.529 g cm -3 , superior to those verified by Silva et al (2018) for the woods of two 7-years-old clonal hybrids of E. grandis x E. urophylla (0.440 g cm -3 to 0.500 g cm -3 ).…”

Section: Tachigali Vulgaris Has Appropriate Wood Density For Energy Purposescontrasting

confidence: 51%

Effects of Tree Spacing and Forking on the Modification of Wood Density in a Trial Plantation of Tachigali Vulgaris for Energy in Amazonia

Barros-Junior¹,

Rosário²,

Lima³

et al. 2022

JTFS

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The study investigated the intra-stem and inter-stem variations of wood basic density in Tachigali vulgaris, influenced by different planting spacing and the occurrence of forking in a trial carried out in Pará State, Brazil. The experiment was performed in a randomised block design, arranged in a split-plot scheme, where plot effect was constituted by planting spacing (4.5, 6.0, 7.5, 9.0, 10.5 and 12.0 m2) and forking, as the effect of subplot (forked or not forked). The wood basic density increased from narrower to wider planting spacings. The wood basic densities in planting spacings of 9 m² (0.517 g cm-3) and 12 m² (0.529 g cm-3) were 16.9 and 19.4% higher compared to the lowest planting spacing of 4.5 m2 (< 0.500 g cm-3). Forking reduced wood density by almost 7% and promoted a wider variation within the stem. Forked stems decreased basic density towards the base-top direction. The findings suggested that, 87-months-old wood of T. vulgaris is suitable for energy purposes, and recommended for the establishment of homogeneous plantations in Brazilian Amazonia.

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“…Because the energy density is directly correlated to the density and calorific value of the material, both wood and charcoal from A. fraxinifolium presented a greater amount of heat in a given volume in relation to E. gummiferum, and also when compared to wood (7.83 to 16.16 GJ/m 3 ) (Jesus et al 2017;Silva et al 2018), and charcoal of the Eucalyptus genus (8.37 to 12.61 GJ/m 3 ) (Protásio et al 2015;Protásio et al 2021).…”

Section: Resultsmentioning

confidence: 99%

Energy characterization of wood and charcoal from Savannah forest species

Santos

Baraúna

Colen

et al. 2023

BioRes

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The objective of this study was to evaluate the energy potential of Astronium fraxinifolium and Enterolobium gummiferum wood species that grow in the Savannah of Minas Gerais, Brazil, focusing on the production of charcoal. Two discs were removed at 1.30 m from the ground of three trees of each species, and these were later sampled into wedges that were applied in the analysis of wood characteristics and charcoal production in a muffle furnace. The extractives content and basic density of the wood species were determined, and apparent density of charcoal, ash content, heating value, and energy density of both materials were also determined. The woods under study have potential for application in energy production. Emphasis was placed on A. fraxinifolium, which presented wood and charcoal that was denser, had higher energy density, and achieved greater gravimetric yield.

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Characteristics of Wood and Charcoal from Eucalyptus clones

Cited by 17 publications

References 16 publications

Wood energy quality of Eucalyptus spp. clones established under different soil types in the Brazilian Cerrado

Wood energy quality of Eucalyptus spp. clones established under different soil types in the Brazilian Cerrado

Effects of Tree Spacing and Forking on the Modification of Wood Density in a Trial Plantation of Tachigali Vulgaris for Energy in Amazonia

Energy characterization of wood and charcoal from Savannah forest species

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