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This study aims to investigate the structural features of nascent char. Two nascent chars were prepared from the pyrolysis of Loy Yang brown coal and Collie sub-bituminous coal in a wire-mesh reactor by heating at 1000Ks−1 to 600°C. Structural changes in nascent chars were investigated by reheating the chars in N2 at low temperatures (≤600°C) followed by subsequent gasification in O2/N2 mixtures at...
The purpose of this study is to investigate the structural changes in nascent chars during the gasification of two low-rank coals in CO2 at 1000°C and 1200°C. Western Australian Collie sub-bituminous coal and Victorian Loy Yang brown coal were heated up at 1000Ks−1 in He/CO2 in a wire-mesh reactor. FT-Raman spectroscopy was applied to understand the key structural features of nascent chars. For comparison,...
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