The impact of wastewater with high COD on bacterial strains
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Abnormalities in the production workshop of the device have resulted in a COD level of the incoming water exceeding 4000. What impact does this have on the microorganisms in the biochemical treatment stage? How to adjust it to preserve the activity of the microbial strain? The process is: homogenization, oil separation, two-stage air flotation, anaerobic treatment, aerobic treatment – used in petrochemical enterprises ；
It depends on your usual COD levels; generally, if the COD is high, less wastewater should be introduced, and it’s sufficient to ensure that there are only minor fluctuations in COD multiplied by flow rate