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Revista Chapingo serie ciencias forestales y del ambiente
versión On-line ISSN 2007-4018versión impresa ISSN 2007-3828
Resumen
SANABRIA, E. O.; CAYRE, M. E. y FRANK, W. A.. OPTIMIZATION OF CHARCOAL PRODUCTION FROM Aspidosperma quebracho blanco IN THE PROVINCE OF CHACO, ARGENTINA. Rev. Chapingo ser. cienc. for. ambient [online]. 2007, vol.13, n.1, pp.23-27. ISSN 2007-4018.
Charcoal production from sawmills wastes of Aspidosperma quebracho-blanco species in the province of Chaco, Argentina, is made by means of conventional kilns, half-orange type ones, giving a 25 % weight yield of charcoal and fixed carbon yield of 74 %. Consequently, the aim of this work was the finding of more efficient alternative of the use of sawmills wastes in order to optimize the weight yield of charcoal and the fixed carbon yield. In the way, charcoal was made by dry distillation, on the basis of a composite experimental design controlling the following parameters: heating speed (between 60 and 120 ºC·h-1) and a final carbonization temperature of range between 450 and 550 ºC. Result showed that a 48 % weight yield, was attained at the lowest laves of heating speed and final carbonization temperature, while working at the highest levels of these parameters gave a lower yield (36 %).Regarding the fixed carbon yield, it had a conversely behaviors towards the above mentioned variables, but it always yielded levels higher than 82 %.
Palabras llave : charcoal; distillation dry; fixed carbon; weight yields; Aspidosperma quebracho blanco.