Fig. 7
Selective metal adsorption of TU-rGO at Cu = (a) 20 and (b) 100 mg L−1. TU-rGO dosage = 0.04 g L−1; shaking speed = 150 rpm; contact time = 96 h; temperature = 30 °C; pH = 2; Pb = 20 mg L−1; Zn = 20 mg L−1; Au = 10, 1, 0.1, 0.01 mg L−.1
Fig. 7 | Sustainable Environment Research