Gasification Reaction Characteristics between Biochar and CO₂ as well as the Influence on Sintering Process

Table 1

Chemical compositions of raw materials and their proportions in mixture.

Types of raw materials	Chemical composition/wt-%							Percent/wt-%
	TFe	FeO	SiO2	CaO	MgO	Al2O3	LOI
Iron ores blend	63.02	6.50	4.58	0.35	0.28	1.42	3.10	60.73
Dolomite	0.21	0.13	0.71	32.64	19.83	0.56	46.47	5.58
Limestone	0.14	0.10	1.49	50.66	2.28	0.43	40.72	2.16
Quicklime	0.4	0.23	2.86	76.69	1.18	1.20	12.36	4.62
Return fines	56.81	6.25	5.11	9.02	1.86	2.00	0.00	23.08

The ratio was calculated when the proportion of coke was 3.85%.