Figure 4 | Scientific Reports

Figure 4

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

Figure 4The alternative text for this image may have been generated using AI.

Effect of ozone dosage on COD reduction during catalytic ozonation under continuous mode. Experimental conditions: (a) without addition of PAM; HRT = 30 min; recycling rate = 0 m3/h; (b) with addition of PAM; HRT = 30 min; recycling rate = 33.0 m3/h.

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