Figure 5

(a, b) Effect of co-existing cations, (c, d) effect of co-existing anions on Cu(II) and Cr(VI) removal using SA/CMC-ZFN, ((pH = 3, Cr(VI) = 20 mg/L) (pH = 5, Cu(II) = 50 mg/L), dosage = 0.5 g/L, reaction time = 18 h, temperature = 25 °C).

(a, b) Effect of co-existing cations, (c, d) effect of co-existing anions on Cu(II) and Cr(VI) removal using SA/CMC-ZFN, ((pH = 3, Cr(VI) = 20 mg/L) (pH = 5, Cu(II) = 50 mg/L), dosage = 0.5 g/L, reaction time = 18 h, temperature = 25 °C).