Evaluation of Agrowaste Species for Removal of Heavy Metals from Synthetic Wastewater

Figure 5

(a–e) The relationship between the amount of metal adsorbed (mg/g) and time (15, 30, 60, 90, and 120) min using an aqueous solution of Cu, Pb, Se, Zn, and Cr (pH 6.0, dosage 0.1 g 100 rpm/30 min, and 2.0 mg/L). (a) Adsorption of moringa L. (b) Adsorption of moringa B. (c) Adsorption of tea. (d) Adsorption of lupinus. (e) Adsorption of sugarcane straw.

(a)

(b)

(c)

(d)

(e)