Fig. 8: The SEM-EDX of EW-BC before and after Cr(VI) removal.
a Before Cr(VI) removal. b After Cr(VI) removal. The scale bars represent 0.5 μm.
Fig. 8: The SEM-EDX of EW-BC before and after Cr(VI) removal. | npj Clean Water
a Before Cr(VI) removal. b After Cr(VI) removal. The scale bars represent 0.5 μm.
