Research on the Expansion Characteristics and Compressive Strength of Mortars Containing Circulating Fluidized Bed Combustion Desulfurization Slag

Table 2

Particle size distribution with grinding time of CFBC desulfurization slag.

Grinding time (min)	Specific surface area (m^2/kg)	Particle size distribution (%)
		0–3 µm	3–10 µm	10–18 µm	18–25 µm	25–36 µm	36–50 µm	50–102 µm	>102 µm
13	260	13.67	12.22	9.46	5.72	7.87	8.61	23.53	18.92
25	330	17.49	15.79	12.17	7.18	9.91	10.68	21.52	5.26
39	400	21.33	18.97	14.08	8.09	10.7	10.37	12.87	3.59
55	650	32.89	22.66	13.89	8.81	9.44	7.55	4.76	0
72	630	31.21	22.93	14.65	8.73	8.87	6.9	6.71	0