Modeling of Oxidation Process of Coal Tar Pitch in Rotating Kilns

Table 1

Ultimate analyses of coal tar pitch spheres before and after oxidative stabilization.

Stage	C	H	O	N	S
Initial state	91.437	3.526	3.722	0.876	0.439
Before oxidation	91.383	3.436	3.895	0.845	0.440
After oxidation	86.271	3.098	9.303	0.966	0.361