Research Article
Photo-Fenton Degradation of RB5 Dye in Aqueous Solution Using Fe Supported on Mexican Natural Zeolite
Table 3
Fe species on the MNZ/Fe surface.
| Species | Composition (w%) | Uncalcined | 550°C | 700°C |
| Fe2p3, Fe3+ (oxide) | 43.90 | 45.70 | 46.60 | Fe2p3, Fe3+ (oxyhydroxides) | 39.70 | 41.40 | 42.20 | Fe2p3, Fe2+ (oxide) | 16.40 | 12.90 | 11.20 |
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