Forest harvest byproducts: Use of waste as energy

Waste Management
Carlos Roberto SetteFabio Minoru Yamaji

Abstract

Forest harvest waste is an attractive biomass feedstock for biofuel production. However, for better use it is necessary to understand the physical-energetic characteristics of the biomass which composes the waste. Therefore, this study aimed to evaluate the bark, wood and tree top characteristics from Eucalyptus urophylla × Eucalyptus grandis (called urograndis) and Acacia mangium harvest wastes. These species present fast-growing characteristics. The evaluations were carried out with waste generated in the forest harvest in central Brazilian plantations. Three fractions were studied: the Top, Wood and Bark. The energetic and physical characteristics of wastes and briquettes were determined. The top and bark of these species are not yet recognized for their energy potential. A. mangium presented better energetic and physical characteristics than urograndis, with a higher mean of fixed carbon (20.84%), a high heating value (20.34 MJ kg-1), as well as high bulk and energy density (272.66 kg m-3 and 5599.00 MJ m-3). A. mangium bark and urograndis tree tops were the fractions with the best characteristics for energy purposes. Bark, wood and tree top waste generated after urograndis and A. mangium forest harvesting can be used as by...Continue Reading

Citations

Mar 28, 2021·International Journal of Biological Macromolecules·Jéssica S MarcianoDerval S Rosa
Aug 25, 2021·Environmental Management·Zerihun NigussieSteffen Abele

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