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The impact of aeration flow on domestic sewage treatment in a sequencing batch biofilm reactor (SBBR)

机译:曝气流对序列批量生料反应器(SBBR)中的曝气流动对污水处理的影响

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A pilot scale sequencing batch biofilm reactor (SBBR) for treating wastewater was used for the purpose of investigating treatment performance under different aeration flows(10m~3/h, 12m~3/h, 14m~3/h, 16m~3/h, 18m~3/h, 20m~3/h, 22m~3/h, 24m~3/h), by analyzing the changeable concentration of COD、(NH_4)~+-N, (NH_3)~--N (NH_2)~--N and TN both influent and effluent. To find the optimum condition of aeration, provide a reference for practical engineering application. The experimental results showed that, the amount of aeration have less effect on COD removal efficiency but on nitrogen removal. The SBBR could achieve a higher degree of SND, and TN removal could maintain around 62%, the quality of effluent meet level 1B standard of 《Discharge standard of pollutants for municipal wastewater treatment plant》 When the aeration flow was controlled the range of 16~18mg/L.
机译:用于处理废水的试验秤测序分批生物膜反应器(SBBR)用于在不同通气流下调查治疗性能(10m〜3 / h,12m〜3 / h,14m〜3 / h,16m〜3 / h ,18m〜3 / h,20m〜3 / h,22m〜3 / h,24m〜3 / h),通过分析可变的COD浓度,(NH_4)〜+ -N,(NH_3)〜 - N( NH_2)〜n和流水和流出物。为了找到最佳通气条件,为实际工程应用提供参考。实验结果表明,曝气量对COD去除效率的影响较小,但在氮气去除方面对。 SBBR可以达到更高程度的SND,并且TN去除可以维持大约62%,在曝气流量控制的范围为16〜时,流出物质的水分质量符合“公路污染物的排放标准”。 18mg /升。

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