Journal
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
Volume 29, Issue 8, Pages 731-740Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00908310500281247
Keywords
charcoal properties; co-pyrolysis kinetics; pyrolysis kinetics; sugarcane bagasse; Argentinean coal blend; sugarcane bagasse pyrolysis
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Physicochemical properties of the charcoal arising from pyrolysis of sugarcane bagasse at 600 degrees C and 800 degrees C were determined to evaluate potentialities for specific end uses. The charcoals were found fairly adequate as solid bio-fuels. Their quality was comparable to charcoals obtained from some other agro-industrial by-products, reportedly proposed as substitutes of wood-based ones. Surface properties of the charcoal generated at the higher temperature indicated that it is reasonably suited for potential use as low-cost rough adsorbent, soil amender, and/or for further upgrading to activated carbon. Moreover, kinetic measurements for pyrolysis of the sugarcane bagasse individually and mixed with an Argentinean subbituminous coal in equal proportions were conducted by thermogravimetry for the range 25 degrees C-900 degrees C. Data modeling accounting for variations in the activation energy with process evolution provided a proper description of pyrolysis and co-pyrolysis over the entire temperature range.
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