Fig. 5

Effect of various ABHG dosages on the removal % of MB dye and Cr (VI) ions (C0 MB dye = 25 mg/L, C0 Cr (VI) ions = 25 mg/L, Time for MB dye = 90 min, pH for MB dye = 7.2, pH for Cr (VI) ions = 1.04, Time for Cr (VI) ions = 180 min, Temp. = 25 °C).