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投加聚合铝铁对A2O系统脱氮除磷效能的影响及机制

李斯亮 魏亮亮 赵庆良 陈志强

李斯亮, 魏亮亮, 赵庆良, 陈志强. 投加聚合铝铁对A2O系统脱氮除磷效能的影响及机制[J]. 环境科学研究, 2014, 27(10): 1212-1218.
引用本文: 李斯亮, 魏亮亮, 赵庆良, 陈志强. 投加聚合铝铁对A2O系统脱氮除磷效能的影响及机制[J]. 环境科学研究, 2014, 27(10): 1212-1218.
LI Si-liang, WEI Liang-liang, ZHAO Qing-liang, CHEN Zhi-qiang. Effects and Mechanisms of Polymeric Aluminum-Iron Added of Aeration Tank in A2O Systems for Phosphorus and Nitrogen Removal[J]. Research of Environmental Sciences, 2014, 27(10): 1212-1218.
Citation: LI Si-liang, WEI Liang-liang, ZHAO Qing-liang, CHEN Zhi-qiang. Effects and Mechanisms of Polymeric Aluminum-Iron Added of Aeration Tank in A2O Systems for Phosphorus and Nitrogen Removal[J]. Research of Environmental Sciences, 2014, 27(10): 1212-1218.

投加聚合铝铁对A2O系统脱氮除磷效能的影响及机制

基金项目: 国家水体污染控制与治理科技重大专项(2012ZX07201003);中国博士后特别资助项目(2013T60375)

Effects and Mechanisms of Polymeric Aluminum-Iron Added of Aeration Tank in A2O Systems for Phosphorus and Nitrogen Removal

  • 摘要: 为研究A2O污水处理系统聚合铝铁投加对污水中TP的强化去除及对其他污染物的协同去除,通过小试试验对比研究了聚合铝铁分别在A2O系统曝气池前端和末端投加时各污染物的去除特征. 结果表明,与前端投加相比,聚合铝铁在曝气池末端的投加能够显著提升系统对污水中TP和NH4+-N的去除率,但聚合铝铁末端投加时系统出水中ρ(NO3--N)高于前端投加. 结果表明,聚合铝铁投加量〔以ρ(Al)计〕为4 mg/L时去除效果最好,此时系统对CODCr、TN、NH4+-N、TP的去除率分别为93.3%、64.6%、83.6%和97.6%,出水中ρ(CODCr)、ρ(TN)、ρ(NH4+-N) 和ρ(TP)分别为19.8、15.3、6.1和0.2 mg/L. 另外,在10 ℃下运行时,聚合铝铁对生活污水中TP及NH4+-N的去除更为有效.

     

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出版历程
  • 收稿日期:  2014-04-25
  • 修回日期:  2014-07-18
  • 刊出日期:  2014-10-25

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