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 4

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

Experiment	System	Rate constant (k) in min^−1	Half-life time (t1/2) in min.	Yo	Plateau	Goodness of fit (R^2)
Stability of suspension in 10 wt. % slurry of fines (Figure 3)	AD 200 ppm 5, pH 8	0.0679	10.20	2.697	0.9180	0.9462
	AD 200 ppm 10, pH 8	0.0736	9.410	3.372	1.051	0.9861
	AD 200 ppm 15, pH 8	0.0813	8.518	3.799	1.179	0.9861
	Sodium humate (0.05 wt. %), pH 8	0.0463	14.95	4.232	1.486	0.9824
	Without additive, pH 8	0.3469	1.998	4.728	0.6846	0.9786