Variation of basic density, calorific value and volumetric shrinkage within tree height and tree age of Ugandan grown Eucalyptus grandis wood

Sseremba, O. E.; Mugabi, P.; Banana, A.Y.; Wessels, Bernard; Plessis, Morné Du

doi:10.1007/s11676-020-01141-7

Cited by 5 publications

(2 citation statements)

References 22 publications

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“…These values were found to be comparable to those reported for Eucalyptus grandis × Eucalyptus urophylla, which were 87.95%, 11.59%, and 0.46%, respectively [27]. Regarding the higher and lower calorific values, they fell within the ranges of 19.43 to 20.28 and 18.13 to 18.84 kJ/kg, respectively, resembling those typically observed for hardwood [28], although lower than those found in softwoods [29]. The relatively lower calorific value of hardwoods can be attributed to the structure of lignin, where the presence of syringyl units increases the number of ether bonds, leading to a less condensed structure [29,30].…”

Section: Chemical Characterization Of Woodsupporting

confidence: 85%

Impact of Chemical Composition on Eucalyptus Wood Clones for Sustainable Energy Production

Vieira,

Trugilho,

Carabineiro

et al. 2023

Forests

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The energy potential of wood biomass is significantly shaped by its chemical composition. Analyzing the chemical composition of wood biomass and understanding the correlations between these parameters and wood combustibility are essential stages in the selection process of Eucalyptus clones tailored for firewood production and energy generation. In this study, we aimed to evaluate the impact of chemical composition on the direct combustibility of Eucalyptus clones. We examined the structural chemical composition and conducted proximate analysis, including fixed carbon, volatile material, and ash, to investigate the relationship between proximate composition and wood combustibility parameters. Our findings revealed significant correlations between wood chemical composition and combustibility parameters. In particular, lignin content, ethanol-soluble extractives, and xylose demonstrated inverse relationships with the parameters of maximum combustion rate, combustion characteristic index, and ignition index. Conversely, holocellulose content, cold-water-soluble extractives, and glucose exhibited direct correlations with the same combustibility parameters. Furthermore, fixed carbon and volatile matter contents demonstrated direct and inverse correlations, respectively, with ignition temperature. These findings have significant implications for enhancing the efficiency and sustainability of biomass energy production.

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Section: Chemical Characterization Of Woodsupporting

confidence: 85%

Impact of Chemical Composition on Eucalyptus Wood Clones for Sustainable Energy Production

Vieira,

Trugilho,

Carabineiro

et al. 2023

Forests

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show abstract

“…In addition to these traditional methods, near-infrared spectroscopy (NIRS) has the potential of predicting wood basic density rapidly and nondestructively (Liang et al 2019). In several tests, British Standards and ASTM (American Society for Testing and Materials) standard wood testing procedures are referred by researchers to analyze wood basic density (Sseremba et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Anatomical, physical, and mechanical parameters of clone plantation tree, Cunninghamia lanceolata

Song

et al. 2021

BioRes

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Anatomical characteristics of the plantation tree, Cunninghamia lanceolata were studied. Clonal variability and intra-tree variation, as well as its possibilities of application to the wood industry were analyzed for four clones. Tracheid length from the first to 17th annual ring within clones increased rapidly at first, and then plateaued. The maximum value appeared at the 14th annual ring of clone IV (3795 μm), and the minimum value appeared at the 1st annual ring of clone I (849 μm). Tracheid width and tracheid double wall thickness increased first and then tended to be flat or slightly decreased; tracheid length to width ratio showed an overall increasing trend; the variation of tracheid double wall thickness was not significant. Between clones, the variation coefficient of tracheid width, double wall thickness, and wall to cavity ratio were large. The tissue proportion within clones from large to small was the following: tracheid proportion > wood ray proportion > parenchyma proportion, and there was no significant difference between clones. The basic density within clones showed a gradual increase but a certain fluctuation; the difference between clones was not significant. The maximum crystallinity appeared in clone II (sapwood 55.1%, heartwood 51.2%), and the difference between clones was not significant.

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Planting spacing and genotype affected the tree growth and variation of wood density and lignin content along Eucalyptus trunks

Pimenta,

Ramalho,

Dambroz

et al. 2024

Industrial Crops and Products

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Variation of basic density, calorific value and volumetric shrinkage within tree height and tree age of Ugandan grown Eucalyptus grandis wood

Cited by 5 publications

References 22 publications

Impact of Chemical Composition on Eucalyptus Wood Clones for Sustainable Energy Production

Impact of Chemical Composition on Eucalyptus Wood Clones for Sustainable Energy Production

Anatomical, physical, and mechanical parameters of clone plantation tree, Cunninghamia lanceolata

Planting spacing and genotype affected the tree growth and variation of wood density and lignin content along Eucalyptus trunks

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