Research Article

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

Figure 7

Yoon–Nelson plots for copper removal at different bed depths. (a) Bed depth of 3 cm. (b) Bed depth of 6 cm. (c) Bed depth of 9 cm.
(a)
(b)
(c)