Figure 5 | Scientific Reports

Figure 5

From: Pilot-scale study on catalytic ozonation of bio-treated dyeing and finishing wastewater using recycled waste iron shavings as a catalyst

Figure 5The alternative text for this image may have been generated using AI.

Effect of recycling rates on COD reduction during catalytic ozonation under continuous mode. Experimental conditions: (a) without addition of PAM; ozone dosage = 10.2 g-O3/min; HRT = 30 min; (b) with addition of PAM; ozone dosage = 10.2 g-O3/min; HRT = 30 min; (c) with addition of PAM; ozone dosage = 6.8 g-O3/min; HRT = 60 min.

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