| 厌氧／缺氧SBR反硝化除磷过程的研究 |
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| 引用本文： | 彭永臻, ,李勇智, ,王淑莹, ,王亚宜.厌氧／缺氧SBR反硝化除磷过程的研究[J].中国化学工程学报,2004,12(6):877-880. |
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| 作者姓名： | 彭永臻 李勇智 王淑莹 王亚宜 |
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| 基金项目： | 国家自然科学基金，国家重点基础研究发展计划(973计划) |
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| 摘 要： | Removal of denitrifying phosphorus was verified in a laboratory anaerobic/anoxic sequencing batch reactor (A/A SBR). The results obtained demonstrated that the anaerobic/anoxic strategy can enrich the growth of denitrifying phosphorus removing bacteria (DPB) and take up phosphate under anoxic condition by using nitrate as the electron acceptor. The phosphorus removal efficiency was higher than 90% and the effluent phosphate concentration was lower than 1mg·L^-1 after the A/A SBR was operated in a steady-state. When the chemical oxygen demand(COD) of influent was lower than 180mg·L^-1, the more COD in the influent was, the higher efficiency of phosphorus removal could be attained under anoxic condition. However, simultaneous presence of carbon and nitrate would be detrimental to denitrifying phosphorus removal. Result of influence of sludge retention time (SRT) on denitrifying phosphorus removal suggested that the decrease of SRT caused a washout of DPB and consequently the enhanced biological phosphorus removal decreased with 8 days SRT. When the SRT was restored to 16 days, however, the efficiency of phosphorus removal was higher than 90%.
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| 关 键 词： | 废水处理 厌氧条件 缺氧条件 SBR 反硝化除磷 顺序间歇反应器 生物营养素 |
| 修稿时间： | |
Denitrification and Dephosphatation by Anaerobic/Anoxic Sequencing Batch Reactor |
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| PENG Yongzhen,LI Yongzhi,WANG Shuying,WANG Yayi.Denitrification and Dephosphatation by Anaerobic/Anoxic Sequencing Batch Reactor[J].Chinese Journal of Chemical Engineering,2004,12(6):877-880. |
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| Authors: | PENG Yongzhen LI Yongzhi WANG Shuying WANG Yayi |
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| Affiliation: | College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China College of Chemical and Environmental Engineering, Beijing Technology and Business University, Beijing 100037, China College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China
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| Abstract: | Removal of denitrifying phosphorus was verified in a laboratory anaerobic/anoxic sequencing batch reactor (A/A SBR). The results obtained demonstrated that the anaerobic/anoxic strategy can enrich the growth of denitrifying phosphorus removing bacteria (DPB) and take up phosphate under anoxic condition by using nitrate as the electron acceptor. The phosphorus removal efficiency was higher than 90% and the effluent phosphate concentration was lower than 1 mg·L-1 after the A/A SBR was operated in a steady-state. When the chemical oxygen demand(COD) of influent was lower than 180mg· L-1, the more COD in the influent was, the higher efficiency of phosphorus removal could be attained under anoxic condition. However, simultaneous presence of carbon and nitrate would be detrimental to denitrifying phosphorus removal. Result of influence of sludge retention time (SRT) on denitrifying phosphorus removal suggested that the decrease of SRT caused a washout of DPB and consequently the enhanced biological phosphorus removal decreased with 8 days SRT. When the SRT was restored to 16 days, however, the efficiency of phosphorus removal was higher than 90%. |
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| Keywords: | denitrifying phosphorus removal anoxic phosphorus uptake biological phosphorus removal denitrify-ing phosphorus removing bacteria |
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