Study on pure water technology for reuse of mother liquid water
The process and control of PVC mother liquor water treated by sewage treatment plant were introduced,the production wastewater was degraded,the survival conditions of microorganisms were ensured under the conditions of biochemical treatment,yin bed and yang bed mixed bed,and the process parameters of each control point were optimized,and the COD of mother liquor water was reduced from about 200 mg/L to less than 3 mg/L.
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