Research Article
Hydroxide Sludge/Hydrochar-Fe Composite Catalysts for Photo-Fenton Degradation of Dyes
Table 1
Composition of the HS, HC-Fe, and 2 : 1 composite.
| Element (wt %) | HS | HC-Fe | 2 : 1 composite |
| Fe | 6.93 | 13 | 11 | Al | 10.86 | 0.0027 | 9.5 | Na | 0.59 | 0.0031 | 0.79 | Mg | 2.2 | <0.001 | 1.74 | Ca | 2.94 | 0.0038 | 1.71 | Ti | 0.91 | <0.001 | 0.36 | Mn | 0.19 | <0.001 | 0.06 |
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