ESTIMATES OF MASS AND ENERGY OF DIFFERENT GENETIC MATERIAL EUCALYPTUS
Mateus Alves de Magalhães | Angélica de Cássia Oliveira Carneiro | Benedito Rocha Vital | Carlos Miguel Simões da Silva | Marina Moura de Souza | Lucas de Freitas Fialho
ABSTRACT The use of forest biomass or its derived charcoal as firewood can generate environmental and economic advantages for the Brazilian energy matrix. In this context, the main objective was to evaluate the energy potential of certain eucalyptus genetic materials, which are used by the charcoal production sector. We have evaluated six materials of Eucalyptus ssp. at the age of seven years from commercial plantations, spaced 3 x 3m, grown in the Alto Vale do Jequitinhonha, in Minas Gerais. Based on the production data, the average annual increment and the physical and chemical analyzes of the wood and the charcoal produced with it, we have estimated parameters to compare the potential of each genetic material, such as mass and energy of wood and charcoal per hectare, as well as the energy density. The results show that a material of Eucalyptus urophylla has greater energetic potential in relation to the others because it presents higher energy/ hectare estimated for its wood and consequently for charcoal produced with it. However, a material of Eucalyptus cloeziana presented a higher energetic density of the wood and its charcoal, showing advantages mainly in the transport.
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