Upgradation of Iron Ore Fines and Slime by Selective Flocculation Using Surface-Active Agents, Settling Study, and Characterization of the Beneficiation Waste for Value Addition

Table 3

Values of the parameters of equation (1) for beneficiation of 10 wt. % slurry of slime.

Experiment	System	Rate constant (k) in min^−1	Half-life time (t1/2) in min.	Yo (wt. %)	Plateau	Goodness of fit (R^2)
Stability of suspension in 10 wt. % slurry of slime (Figure 2)	AD 200 ppm 5, pH 8	0.0518	13.38	6.866	1.121	0.9860
	AD 200 ppm 10, pH 8	0.0507	13.67	6.954	1.252	0.9986
	AD 200 ppm 15, pH 8	0.0508	13.62	5.893	1.001	0.9958
	Sodium humate (0.05 wt. %), pH 8	0.0503	13.76	6.672	0.9935	0.9979
	Without additive, pH 8	0.0501	13.84	5.535	0.8433	0.9956