Figure 8

(a) pHZPC graph of SDB and SDBA, (b) effect of solution pH on the MB dye removal % by SDBA (C0 of MB = 20 mg/L, SDBA dose = 1 g/L at 25 ± 2 °C).
(a) pHZPC graph of SDB and SDBA, (b) effect of solution pH on the MB dye removal % by SDBA (C0 of MB = 20 mg/L, SDBA dose = 1 g/L at 25 ± 2 °C).