Figure 6: Linear plots of (a) Langmuir model and (b) Freundlich model. (C0= 20; 50; 100; 150; 200 mg/L; CA= 10 g/L; particle size: 355-500 µm; N=200 rpm; initial pH∼7; T= 25; 35; 45°C, t= 48h).