Research Article
Effect of Sodium Benzenesulfonate on SO42− Removal from Water by Polypyrrole-Modified Activated Carbon
Figure 8
Energy-dispersive X-ray spectra of the (a) granular activated carbon, (b) pyrrole-FeCl3·(6H2O)-granular activated carbon, and (c) pyrrole-FeCl3·(6H2O)-sodium benzenesulfonate-granular activated carbon.
| (a) |
| (b) |
| (c) |