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

Table 9

Thomas model parameters for cadmium removal.

Flow rate (mL/min)	Z (cm)	(mg/L)	(mL/min.mg)	(mg/g)	R^2
2	3	100	0.00033578	3.41	0.95
	6	100	0.00056724	1.12	0.92
	9	100	0.00072372	0.59	0.90