Adsorption of Cu (II) and Cd (II) from Wastewater by Sodium Alginate Modified Materials

Figure 6

Effect of initial ion concentration on the adsorption of wastewater (a) Cu (II) and (b) Cd (II) by SACL (experimental condition: contact time = 180 min; amount of adsorbent = 4 g; pH = 4; temperature = 25°C; and agitation speed = 150 rpm) (error bars represent the standard deviation of three replicates).

(a)

(b)