fig6
Figure 6. Effect of CTAB dosage on CPb(II), turbidity of residual solution and RW (pH 2, Pb(II) concentration of 50 mg/L, IDA@GO concentration of 100 mg/L, reaction time of 40 min and aeration rate of 100 mL/min). CTAB: Cetyl trimethyl ammonium bromide; IDA@GO: iminodiacetic acid-functionalized graphene oxide.
