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Chemical and fuel properties of stumps biomass from Eucalyptus globulus plantations

Authors: Gominho, Jorge; Lourenço, Ana; Miranda, Isabel; Pereira, Helena;

Chemical and fuel properties of stumps biomass from Eucalyptus globulus plantations

Abstract

Abstract Eucalyptus globulus Labill. is managed in commercial plantations for the pulp and paper industry as a coppice system. For stand reforestation the stumps are uprooted and at present used as biofuel. In this study, the biomass of stumps collected in six eucalypt stands in Portugal was evaluated in terms of physical, chemical and fuel properties. Stumps had basic density between 0.55 g cm −3 and 0.71 g cm −3 , and the chemical composition showed 15.1% total extractives (mainly ethanol soluble extractives, 10.5%), 24.8% lignin and 67.0% holocellulose. In terms of thermal properties the stumps presented 18.9 MJ kg −1 for higher heating value (HHV) and 0.6%, 81.1% and 18.3% respectively for ash, volatile matter and fixed carbon. The elemental composition (C = 51.0%; H = 5.8%; O = 45.3%; Cl = 0.04%) has adequate values for use as woodfuel.

Country
Portugal
Keywords

biomass, bioenergy, Eucalyptus globulus, fuel properties, stump, chemical composition

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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