Column Study for Adsorption of Copper and Cadmium Using Activated Carbon Derived from Sewage Sludge

Table 6

Yoon–Nelson parameters for copper removal.

Flow rate (ml/min)	Z (cm)	(L/min)	τ	R^2
2	3	0.0082	184.06	0.97
	6	0.006	247.62	0.95
	9	0.0036	462.39	0.97