Figure 2

Perturbation plots showing the effect of all factors (A: biosorbent dosage, B: biosorbent size, C: contact time, D: temperature, E: initial concentration, F: pH and G: salinity) on the response variables (a: PbR, b: PbO, c: PbC).
Perturbation plots showing the effect of all factors (A: biosorbent dosage, B: biosorbent size, C: contact time, D: temperature, E: initial concentration, F: pH and G: salinity) on the response variables (a: PbR, b: PbO, c: PbC).