FT-IR Investigation of the Structural Changes of Sulcis and South Africa Coals under Progressive Heating in Vacuum: Correlation with Volatile Matter

<table>(a) Amount (wt%) of liquid materials collected in the cooling trap (a) against heating temperature. (b) Amount (wt%) of liquid materials collected in the cooling trap (b) against temperature.</table>

Journal of Combustion

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Figure 2

Figure 2: FT-IR Investigation of the Structural Changes of Sulcis and South Africa Coals under Progressive Heating in Vacuum: Correlation with Volatile Matter 

Figure 2 | FT-IR Investigation of the Structural Changes of Sulcis and South Africa Coals under Progressive Heating in Vacuum: Correlation with Volatile Matter 