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CERNE

Print version ISSN 0104-7760

Abstract

COSTA, Tattiane Gomes et al. Wood quality of five species from cerrado for production of charcoal. CERNE [online]. 2014, vol.20, n.1, pp.37-46. ISSN 0104-7760.  http://dx.doi.org/10.1590/S0104-77602014000100005.

The aim of this research was to evaluate the quality of wood and charcoal of some species from cerrado mineiro aiming the production of bioenergy and use in steel industry. Five wood species from cerrado located in Minas Gerais state were used. Basic density and lignin, total extractives, holocellulose and ash contents were evaluated. Charcoal and fixed carbon yields, contents of fixed carbon, volatile materials and ashes, higher heating value and apparent relative density were evaluated. An entirely randomized design with four repetitions was used in the evaluation of the experiment. Moreover, multivariate analysis of principle components was used. The species Casearia sylvestris and Luehea divaricata had the highest gravimetric yield of charcoal and fixed carbon, as much as high lignin contents in the wood. Charcoal made from Trema micrantha presented high heating value, but the lowest apparent relative density. The species Guazuma ulmifolia stood out due to high fixed carbon content and great potential for use in the steel industry, together with the specie Casearia sylvestris.

Keywords : charcoal; native species; wood quality.

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