fig7
![Selective recovery of Pb(II) from a waste electrolyte via ion flotation with iminodiacetic acid-functionalized graphene oxide as a nanocollector](https://image.oaes.cc/4cb72069-28e0-48f7-a6e5-8a7219a15289/4852.fig.7.jpg)
Figure 7. Effect of aeration rate on CPb(II), turbidity of treated 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 CTAB concentration of 7.5 mg/L). IDA@GO: Iminodiacetic acid-functionalized graphene oxide; CTAB: cetyl trimethyl ammonium bromide.