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COD, TN and TP removal efficiency was studied in different C / N in the system by changing the dosage of CH3COONa. The best results obtained by experiment is that when the C / N is between 4 and 6. The average COD effluent concentration is 40.08mg / L, the removal rate is 87.5%;the average TN effluent concentration is 9.32 mg / L, the removal rate is 83.91%; the TP average effluent concentration is...
Phosphate accumulating organisms (PAO) is the most common sludge in sewage treatment, This paper examines the effect of carbon source, temperature, PH on PAO, providing references and basis for training.
This experiment was investigated and compared the effects of NO3−-N and NO2−-N on the anaerobic phosphorus release and anoxic phosphorus uptake of Denitrifying Phosphate Removal Bacteria(DPB).The results showed: with the concentration of NO3−-N and NO2−-N increased in the Anaerobic stage, the amount of phosphorus release decreased. In the Anoxic phase, When the concentration of NO3−-N is 40mg / L...
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