Production of Micron-Sized Particles of Bauxite by Circulating Pulverization Experiment

Table 2

The quality of the bauxite ore in the first group of circulating experiments.

	Bauxite ore for experiments (kg)	d < 0.15 mm (kg)	d > 0.15 mm (kg)	Percent less than 147 μm (%)
The first	2.500	0.675	1.825	91
The second	1.825	0.725	1.000
The third	1.000	0.550	0.450
The forth	0.450	0.325	0.125
The total		2.275