Flotation and Sorptive-Flotation Methods for Removal of Lead Ions from Wastewater Using SDS as Surfactant and Barley Husk as Biosorbent

Figure 6

Effect of lead concentration on the removal efficiency at SDS = 25 mg/L; pH = 8; 𝑄=1000 mL/min; barley husk = 20 gm/L).