| COD、NO3^--N与后置曝气对A2SBR反硝化除磷的影响 |
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| 引用本文： | 张兰河,刘强,贾艳萍,马军.COD、NO3^--N与后置曝气对A2SBR反硝化除磷的影响[J].哈尔滨工业大学学报,2011,43(6):51-55. |
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| 作者姓名： | 张兰河 刘强 贾艳萍 马军 |
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| 作者单位： | 哈尔滨工业大学市政环境工程学院;城市水资源开发利用(北方)国家工程研究中心;东北电力大学化学工程学院;东北电力大学化学工程学院;哈尔滨工业大学市政环境工程学院;城市水资源开发利用(北方)国家工程研究中心 |
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| 基金项目： | 城市水资源与水环境国家重点实验室开放基金项目(QA201013);吉林省科技发展计划应用基础研究项目(20090599) |
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| 摘 要： | 为考察COD、硝态氮及后置曝气对反硝化除磷系统的影响,采用A2SBR工艺进行长期实验室研究.结果表明：在进水COD质量浓度为200～250 mg/L和磷酸盐质量浓度为4～6 mg/L时,厌氧段出水COD去除率达80%,缺氧段磷酸盐去除率达92%;在缺氧段,硝态氮进水质量浓度为35 mg/L时,磷酸盐出水质量浓度最低为0...
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| 关 键 词： | 反硝化除磷 COD 硝态氮 后置曝气 |
Effect of COD,NO3--N and post-aeration on A2SBR denitrifying dephosphorization process |
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| ZHANG Lan-he,-,LIU Qiang,JIA Yan-ping,MA Jun.Effect of COD,NO3--N and post-aeration on A2SBR denitrifying dephosphorization process[J].Journal of Harbin Institute of Technology,2011,43(6):51-55. |
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| Authors: | ZHANG Lan-he - LIU Qiang JIA Yan-ping MA Jun |
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| Affiliation: | School of Municipal and Environmental Engineering,Harbin Institute of Technology,150090 Harbin,China;National Engineering Research Center of Urban Water Resources,150090 Harbin,China);School of Chemical Engineering,Northeast Dianli University,132012 Jilin,Jilin, China;School of Chemical Engineering,Northeast Dianli University,132012 Jilin,Jilin, China;School of Municipal and Environmental Engineering,Harbin Institute of Technology,150090 Harbin,China;National Engineering Research Center of Urban Water Resources,150090 Harbin,China |
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| Abstract: | To investigate the effect of COD,NO3--N and post-aerobic on denitrifying dephosphorization process,a lab experiment was carried out by using an anaerobic/anoxic sequencing batch reactor(A2SBR) for a long time.The results show that when the influent COD is between 200 to 250 mg/L and PO43--P is between 4 mg/L to 6 mg/L,the removal efficiency of anaerobic COD,anoxic PO43--P is 80% and 92%,respectively,and when the influent of NO3--N is 35 mg/L,the effluent PO43--P concentration is lowest(0.34 mg/L) and the removal efficiency of PO43--P is 98.4%.Post-aeration can effectively remove the residual phosphate and the removal efficiency of PO43--P is up to 99%,meanwhile,post-aeration can significantly improve the sludge settling characteristics. |
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| Keywords: | denitrifying dephosphorization COD NO3--N post-aeration |
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