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The short-cut nitrification was conducted in three SBBR reactors of different intermittent aeration ways. Experiments were carried out to observe the impact of aeration change frequency, the addition of an anoxia phrase and anoxia time, under the condition of CODCr among 100 ∼ 200mg/L, concentration of NH4+-N around 120 mg/L, temperature of (23±)°C, pH of 6.7∼7.0, initial MLSS around 3,500mg/L. It...
The technological parameters and running effect in the treatment of municipal sewage by an A2/O + Advanced treatment process are introduced and also aims to improve the application of the BIOLAK process in municipal wastewater treatment. The process flow, process parameters and structure size of the project were introduced. And the treatment effect and designing features were discussed. The running...
A pre aeration-SBR process was adopted in the treatment of sewage wastewater in Qingdao City. The amount of wastewater was 500t/d, with COD of 500.0mg/L, BOD5 of 235.8 mg/L, SS of 165.8 mg/L and NH4+-N of 60.5 mg/L on average. The average removal rates of these indexes are 92.3%, 95.6%, 92.8% and 86.0% respectively. The effluent concentrations of these indexes are 38.3 mg/L, 10.3 mg/L, 12.0 mg/L and...
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