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 6

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	Plateau	Goodness of fit (R^2)
Stability of suspension in 10 wt. % slurry of slime (Figure 6)	With 0.05% humate, pH 8	0.0503	13.76	6.672	0.9935	0.9979
	With (0.05% humate + 5% starch), pH 8	0.0462	14.98	6.929	1.245	0.9961
	With (0.05% humate + 10% starch), pH 8	0.0453	15.29	7.017	1.188	0.9981
	With (0.01% humate + 5% starch), pH 8	0.0534	12.97	6.160	0.9456	0.9953
	With (0.01% humate + 10% starch), pH 8	0.0478	14.50	6.358	1.015	0.9973
	Without additive, pH 8	0.0501	13.84	5.535	0.8433	0.9956