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.

SpeciesComposition (w%)
Uncalcined550°C700°C

Fe2p3, Fe3+ (oxide)43.9045.7046.60
Fe2p3, Fe3+ (oxyhydroxides)39.7041.4042.20
Fe2p3, Fe2+ (oxide)16.4012.9011.20