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AO工艺同步脱氮除磷效能的研究
引用本文:叶琼,张朝升,张可方,荣宏伟,张立秋.AO工艺同步脱氮除磷效能的研究[J].广东化工,2012,39(15):70-72.
作者姓名:叶琼  张朝升  张可方  荣宏伟  张立秋
作者单位:广州大学珠江三角洲水质安全与保护教育部重点实验室,广东广州,510006
基金项目:国家自然科学基金,广东省自然科学基金重点资助项目,广东省自然科学基金资助项目(S2011010005510).广州市科技计划项目,广州市属高校科研项目
摘    要:采用A/O同步脱氮除磷工艺处理模拟污水,调整DO、HRT、内回流、进水污染物的浓度等影响因素,考察了该工艺单位活性污泥处理污水中TN、TP的能力。结果表明,当好氧区DO控制在0.6mg/L左右,HRT控制在10h,内回流比控制在1:1时,单位活性污泥处理污水TN、TP的能力最强,单位活性污泥TN去除速率达到14×10^-3mg/(L·mg MLVSS·h),单位活性污泥TP去除速率达到0.14×10^-3mg/(L·mg MLVSS·h),AO系统实现了同步硝化反硝化和反硝化除磷。

关 键 词:同步脱氮除磷  单位活性污泥去除速率  溶解氧  水力停留时间  内回流

Efficiency Research on Simultaneous Removal of Nitrogen and Phosphorus by Craft AO
Ye Qiong,Zhang Chaosheng,Zhang Fangke,Rong Hongwei,Zhang Liqiu.Efficiency Research on Simultaneous Removal of Nitrogen and Phosphorus by Craft AO[J].Guangdong Chemical Industry,2012,39(15):70-72.
Authors:Ye Qiong  Zhang Chaosheng  Zhang Fangke  Rong Hongwei  Zhang Liqiu
Affiliation:(Guangzhou University,Guangzhou 510006,China)
Abstract:Using A/O simultaneous nitrogen and phosphorus removal process for treatment of simulated wastewater, adjusting the DO, HRT, return flow, inlet pollutant concentration and other factors, the process unit for wastewater treatment with activated sludge in TN, TP ability. The results show that, when the oxygen zone DO control in 0.6 mg/L, HRT control in 10 h, the inner reflux ratio control in 1:1, the unit activated sludge wastewater treatment in TN, TP capacity of the strongest, the unit activated sludge TN removal rate reached 1.4× 10^-3 mg/(L·mg MLVSS·h), TP removal unit activated sludge rate reached 0.14× 10^-3 mg/(L·mg MLVSS·h), AO system to achieve the simultaneous nitrification and denitrification and phosphorus removal.
Keywords:simultaneous removal of nitrogen and phosphorus  unit removal rate  DO  HRT  internal reflux
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