| 反硝化除磷颗粒污泥培养方式的对比实验研究 |
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| 引用本文： | 张慧,张捍民,杨凤林,王新华.反硝化除磷颗粒污泥培养方式的对比实验研究[J].环境工程学报,2009,3(11):2061-2066. |
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| 作者姓名： | 张慧 张捍民 杨凤林 王新华 |
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| 作者单位： | 大连理工大学环境与生命学院工业生态与环境工程教育部重点实验室,大连,116024 |
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| 基金项目： | 国家自然科学基金资助项目(50878034) |
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| 摘 要： | 采用两完全相同的气升式间歇反应器（SBAR）进行反硝化除磷颗粒污泥培养方式的对比实验研究。R1始终以厌氧/好氧/缺氧（A/O/A）模式运行，在颗粒化的同时富集反硝化除磷菌（DPAOs）；R2以厌氧/好氧（A/O）模式培养颗粒，待颗粒形成后加入缺氧段，形成A/O/A模式，强化富集DPAOs。结果表明，R2中颗粒化时间较短，但所形成颗粒的沉降速率和比重分别为30.4 m/h和1.022 g/cm3,低于R1培养颗粒的35.9 m/h和1.061 g/cm3；R1中颗粒对于COD、NH+4-N、TN和TP的平均去除率分别是86%、98%、82%和91%，高于R2中的86%、99%、74%和66%；反应器运行至183 d时，DPAOs所占比例分别为44.7%和20.9%。
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| 关 键 词： | 反硝化除磷 好氧颗粒污泥 SBAR DPAOs |
Contrast experimental study on the cultivation mode of denitrifying phosphorus removal granules |
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| Zhang Hui,Zhang Hanmin,Yang Fenglin and Wang Xinhua.Contrast experimental study on the cultivation mode of denitrifying phosphorus removal granules[J].Techniques and Equipment for Environmental Pollution Control,2009,3(11):2061-2066. |
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| Authors: | Zhang Hui Zhang Hanmin Yang Fenglin and Wang Xinhua |
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| Institution: | Key Laboratory of Industrial Ecology and Environmental Engineering, MOE, School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024,China,Key Laboratory of Industrial Ecology and Environmental Engineering, MOE, School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024,China,Key Laboratory of Industrial Ecology and Environmental Engineering, MOE, School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024,China and Key Laboratory of Industrial Ecology and Environmental Engineering, MOE, School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024,China |
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| Abstract: | Two same SBARs (sequencing batch airlifting reactors) were used to study the cultivation mode of the denitrifying phosphorus removal granules. R1 was operated under the A/O/A ( anaerobic/oxic/anoxic) mode all along, enriching DPAOs (denitrifying phosphorus-accumulating organisms) with the granulation process; while R2 was operated under the A/O (anaerobic/oxic) mode firstly, then added an anoxic phase when granulation finished in order to form A/O/A mode also and strengthen the enrichment of DPAOs. It was shown that R2 took shorter time for granulation than Rl , but granular settling velocity and specific gravity in R2 (30. 4 m/h and 1. 022 g/cm~3 ) were lower than that of Rl (35. 9 m/h and 1. 061 g/cm~3) . The average removal efficiencies of COD,NH_4~+-N ,TN ,TP in Rl were 86% , 98% , 82% and 91% respectively. In comparison, the corresponding values in R2 were 86% , 99% , 74% and 66% respectively, which were lower than that of Rl. From the results of day 183, it was indicated that DPAOs fraction in Rl and R2 were 44. 7% and 20. 9% . |
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| Keywords: | SBAR DPAOs |
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