Produção de carvão vegetal de bambu (Bambusa vulgaris) com a recuperação de licor pirolenhoso e alcatrão

Abstract

One of the options to supply raw material demand for domestic consumption is the utilization of charcoal from bamboo, Bambusa vulgaris Schrad species, commonly known in Brazil as "green-bamboo". Thus, the present work is looking for evaluate the charcoal product from the Bambusa vulgaris species, cultivated in Federal University of “Recôncavo da Bahia”, at the campus located in Cruz das Almas city, Bahia State, Brazil. For this purpose, mature bamboo ́s culm was used, reaped directly from the bush and subsequently brought to the wood technology laboratory. In the lab, the culm was transformed in ships, for the production of charcoal, through a carbonization process in an adapted mufla oven in which a system for the recovery of condensable gases was also inserted for the collection of pyrolignous yield and the tar produced during the process. Four carbonizations were performed, and the average results for gravimetric yield, pyrolignous and tar were, mensured. After that, the charcoal produced was milled, classified, charcoal ́s humidity content, and immediate chemical analysis was performed. The average shows to be available for domestic use with possibility to recovery byproducts.