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运行模式对同步短程硝化反硝化脱氮及微生物群落特征的影响

韩亚琳 王福浩 王群 李婷 佘宗莲

韩亚琳, 王福浩, 王群, 李婷, 佘宗莲. 运行模式对同步短程硝化反硝化脱氮及微生物群落特征的影响[J]. 环境工程, 2021, 39(1): 51-57,17. doi: 10.13205/j.hjgc.202101007
引用本文: 韩亚琳, 王福浩, 王群, 李婷, 佘宗莲. 运行模式对同步短程硝化反硝化脱氮及微生物群落特征的影响[J]. 环境工程, 2021, 39(1): 51-57,17. doi: 10.13205/j.hjgc.202101007
HAN Ya-lin, WANG Fu-hao, WANG Qun, LI Ting, SHE Zong-lian. EFFECT OF OPERATIONAL MODE ON NITROGEN REMOVAL AND MICROBIAL CUMMUNITY IN PROCESS OF SIMULTANEOUS PARTIAL NITRIFICATION AND DENITRIFICATION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 51-57,17. doi: 10.13205/j.hjgc.202101007
Citation: HAN Ya-lin, WANG Fu-hao, WANG Qun, LI Ting, SHE Zong-lian. EFFECT OF OPERATIONAL MODE ON NITROGEN REMOVAL AND MICROBIAL CUMMUNITY IN PROCESS OF SIMULTANEOUS PARTIAL NITRIFICATION AND DENITRIFICATION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 51-57,17. doi: 10.13205/j.hjgc.202101007

运行模式对同步短程硝化反硝化脱氮及微生物群落特征的影响

doi: 10.13205/j.hjgc.202101007
基金项目: 

中央高校基本科研业务费专项(201964003)。

详细信息
    作者简介:

    韩亚琳(1993-),女,研究生,主要研究方向为污水生物脱氮处理。hanyalin6@163.com

    通讯作者:

    佘宗莲(1962-),女,教授,硕士生导师,主要研究方向为污水生物处理与水污染控制。szlszl@ouc.edu.cn

EFFECT OF OPERATIONAL MODE ON NITROGEN REMOVAL AND MICROBIAL CUMMUNITY IN PROCESS OF SIMULTANEOUS PARTIAL NITRIFICATION AND DENITRIFICATION

  • 摘要: 采用复合序批式生物膜反应器(HSBBR)处理高盐废水,实现了同步短程硝化反硝化脱氮。考察了运行模式对同步短程硝化反硝化系统COD去除和脱氮性能的影响,利用高通量测序技术分析了微生物群落的变化。结果表明:当反应器以缺氧/好氧交替模式运行时(缺氧/好氧时间比为2.0 h/4.5 h),NH3-N、总无机氮(TIN)和COD去除率分别为95.00%、84.83%和86.72%,出水中含有NO2--N和NO3--N。以完全好氧模式运行时(缺氧/好氧时间比为0.0/6.5 h),NH3-N去除率达到100.00%,TIN和COD去除率分别为85.94%和89.46%,出水中只含有NO2--N。高通量测序结果表明:在门水平上,2种模式下生物膜和悬浮污泥中的优势菌均为变形菌门(Proteobacteria)和拟杆菌门(Bacteroidetes);Nitrosomonas是本研究检测出的唯一氨氧化菌(AOB)属,当反应器由缺氧/好氧交替模式转换为完全好氧模式时,悬浮污泥和生物膜中Nitrosomonas的相对丰度均增加;悬浮污泥和生物膜中优势反硝化菌属相似,包括Candidatus_CompetibacterParacoccusThaueraDenitratisoma,在完全好氧模式下,悬浮污泥和生物膜中Candidatus_CompetibacterThauera的相对丰度较低,而ParacoccusDenitratisoma的相对丰度较高。多种反硝化菌与氨氧化菌的共同作用,使反应器能够实现高效同步短程硝化反硝化脱氮。
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  • 收稿日期:  2019-09-07
  • 网络出版日期:  2021-04-23

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