Table 8. Quality Indicators of Light and Heavy Shale Tar Cokes.

characteristic	Ex. 1	Ex. 2	Ex. 3	Ex. 4	Ex. 5	Ex. 6
overpressure, MPa	0.15	0.25	0.35	0.15	0.25	0.35
moisture content, %	0.391	0.184	0.354	0.259	0.189	0.314
ash content, %	0.67	0.10	0.15	0.93	0.78	0.82
yield of volatiles, %	11.29	8.14	10.12	8.51	7.23	7.80
actual density, g/cm3 (without precalcination)	1.332	1.271	1.213	1.244	1.215	1.248
apparent density, g/cm3	1.016	0.915	1.022	0.891	0.739	0.848
microstructure, score	1.5–2.2
total porosity, %	23.70	28.05	15.77	28.37	39.19	32.08