Fineness Effect on Pozzolanic Activity of Cu-Ni Slag in Cemented Tailing Backfill

Table 2

The particle size characteristic of ground Cu-Ni slag with different grinding times.

Grinding time (min)	D (0.1) (μm)	D (0.5) (μm)	D (0.9) (μm)
10	31.6	290	690
20	18.5	146	460
30	13.9	101	344
40	7.4	48	164
50	4.2	28	120
60	3.4	23	91