Photo-Fenton and Fenton Oxidation of Recalcitrant Industrial Wastewater Using Nanoscale Zero-Valent Iron

Figure 2

Results from dark-Fenton (a) and (b) and photo-Fenton (c) and (d) experiments using nZVI in 11 runs each. (a) and (c) Amounts of reagents (g/L) and COD removal (%); (b) and (d) amounts of reagents (g/L) and g H₂O₂ consumed per g COD removed.

(a)

(b)

(c)

(d)