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Degradation of Azo Dye Reactive Black 5 and Acid Orange 7 by Fenton-Like Mechanism

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Figure

Figure 1. chemical structure of Acid Orange 7 (a) and Reactive Black 5 (b)
Figure 2. Effect of pH on Dye Removal, (a) AO7, (b) R5 (Dye Solution=50 mg/L, Contact Time=120 min, Iron Dosage=0.3 gr/150 mL)
Figure 4.  removal mechanism of Acid Orange 7 by metallic iron
Figure 6. Effect of initial dye concentration on dye removal, (a) AO7, (b) RB5, (pH=7, Contact Time=2 (h), Iron Mass=0.3 gr/150 mL)

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