Preparation and Performance of Vanadium Tailings-Reservoir Sediment-Phosphogypsum-Based Foamed Concrete

Table 6

Characteristic particle size distributions and SSAs of VTs at different grinding time periods.

Characteristic particle size	Grinding time (min)
	30	40	50	60
D10	2.412	2.004	1.648	1.524
D50	19.793	13.902	9.466	7.852
D90	73.909	53.526	34.577	34.209
SSA (m^2·kg^−1)	475	600	768	796