Cases
Wastewater treatment for printing and dyeing enterprises
A certain printing and dyeing enterprise discharges 8000 tons of wastewater per day, which has high chromaticity and poor biodegradability, and the discharge does not meet the standards. Customized “anaerobic hydrolysis+aerobic MBR+ozone catalytic oxidation” process, COD removal rate reaches 96%, color reduction is below 20 times, water reuse rate is 70%, saving 2 million tons of tap water annually.
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