FT-IR Investigation of the Structural Changes of Sulcis and South Africa Coals under Progressive Heating in Vacuum: Correlation with Volatile Matter
Figure 3
(a) Pressure values against temperature of vapors released by coals and collected in the trap (b) cooled at −77°C. (b) Pressure values against temperature of gases released by coals and collected in the trap (c) cooled at −180°C.
