Adsorption Batch Studies on the Removal of Pb(II) Using Maize Tassel Based Activated Carbon

Table 4

Desorption of Pb(II) ions from activated carbon using HCl.

Initial Pb(II); concentration (mg/L)	% Pb(II) ion; removal	% Recovery of Pb(II) ions
		0.05 M	0.1 M	0.2 M	0.3 M
10	91.8	74.25	80.50	90.60	87.65
20	86.7	70.21	77.54	83.29	80.50
30	83.9	66.25	74.58	79.32	75.65
50	81.3	58.2	65.65	70.52	68.56