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FT-Raman spectroscopy has been used to identify structural features and evaluate the structural evolution of biomass chars during gasification with air. Chars prepared from the pyrolysis of a cane trash sample with a fast particle heating rate in a novel fluidised-bed/fixed-bed reactor at 500, 700 and 900 °C were oxidised at 400 °C in air in a TGA. The data derived from the spectral deconvolution...
An Australian cane trash biomass was pyrolysed by heating at a slow heating rate to 700–900°C in an inert gas atmosphere. The chars were then gasified in situ with steam. Our results indicate that the gasification of char with steam, even only for 20s when the char conversion was minimal, resulted in drastic reduction in the intrinsic reactivity of char with air at 400°C. The decreases in the char...
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