Research Article

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

Figure 9

(a) Relative pressure values of CO, CO2, (CH3)2CO, and HCN against temperature for South Africa coal. (b) Relative pressure values of C2H4, CH3–CH=CH2, and COS against temperature for South Africa coal.
134234.fig.009a
(a)
134234.fig.009b
(b)