Study on the Effect of Flocculation and Sedimentation on the Mechanical Properties of Iron Tailing Sand

Table 3

Settling rate and turbidity of tailing slurry under PFS and APAM-800 compounding.

APAM-800 dosages (g·L^−1)	PFS dosage (g.L^−1)
	0.6			0.9			1.2			1.5
	Clarified layer volume (mL)	Turbidity (NTU)	Settlement rate (mL.min^−1)	Clarified layer volume (mL)	Turbidity (NTU)	Settlement rate (mL.min^−1)	Clarified layer volume (mL)	Turbidity (NTU)	Settlement rate (mL.min^−1)	Clarified layer volume (mL)	Turbidity (NTU)	Settlement rate (mL.min^−1)
0.10	120	23.3	6.67	123	26.3	6.82	139	28.7	7.72	115	29.7	7.67
0.15	127	26.1	7.05	128	23.8	7.11	137	24.2	7.61	120	21.7	7.33
0.20	138	20.6	7.67	142	15.05	7.90	157	17.8	8.87	145	23.1	6.94
0.25	137	19.3	7.61	127	22.2	7.06	128	28.3	7.11	128	26.2	6.89