The Effect of Grinding Media on Mineral Breakage Properties of Magnetite Ores

Table 3

Liberation degree of qualified magnetite particle size of  μm by steel balls of different diameters.

Ball diameter	μm	μm		μm
	Weight (%)	Quartz liberation (%)	Magnetite liberation (%)	Quartz liberation (%)	Magnetite liberation (%)
10 mm	26.26	58.08	71.37	76.32	82.36
13 mm	39.58	63.11	79.51	83.70	92.09
16 mm	53.19	42.05	67.64	75.62	88.40
19 mm	55.63	49.71	66.58	76.15	88.59
22 mm	56.66	41.95	65.32	77.35	90.91
25 mm	56.33	42.29	65.14	79.93	90.20
28 mm	56.26	42.58	65.46	77.97	89.60
32 mm	55.22	38.03	47.30	80.36	90.79