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微生物菌剂强化A/O脱氮反应器运行效果及微生物群落变化

金位栋 焦巨龙 李剑屏 杨苏文 闫玉红 张玥

金位栋, 焦巨龙, 李剑屏, 杨苏文, 闫玉红, 张玥. 微生物菌剂强化A/O脱氮反应器运行效果及微生物群落变化[J]. 环境工程技术学报, 2021, 11(2): 354-364. doi: 10.12153/j.issn.1674-991X.20200083
引用本文: 金位栋, 焦巨龙, 李剑屏, 杨苏文, 闫玉红, 张玥. 微生物菌剂强化A/O脱氮反应器运行效果及微生物群落变化[J]. 环境工程技术学报, 2021, 11(2): 354-364. doi: 10.12153/j.issn.1674-991X.20200083
JIN Weidong, JIAO Julong, LI Jianping, YANG Suwen, YAN Yuhong, ZHANG Yue. Operation effect and microbial community changes of A/O denitrification reactor enhanced by microbial agents[J]. Journal of Environmental Engineering Technology, 2021, 11(2): 354-364. doi: 10.12153/j.issn.1674-991X.20200083
Citation: JIN Weidong, JIAO Julong, LI Jianping, YANG Suwen, YAN Yuhong, ZHANG Yue. Operation effect and microbial community changes of A/O denitrification reactor enhanced by microbial agents[J]. Journal of Environmental Engineering Technology, 2021, 11(2): 354-364. doi: 10.12153/j.issn.1674-991X.20200083

微生物菌剂强化A/O脱氮反应器运行效果及微生物群落变化

doi: 10.12153/j.issn.1674-991X.20200083
详细信息
    作者简介:

    金位栋(1988—),男,工程师,硕士,主要研究方向为水污染生态学,kindong. 04@163.com

    通讯作者:

    杨苏文 E-mail: yangsw@craes.org.cn

  • 中图分类号: X703

Operation effect and microbial community changes of A/O denitrification reactor enhanced by microbial agents

More Information
    Corresponding author: YANG Suwen E-mail: yangsw@craes.org.cn
  • 摘要: 采用传统缺氧/好氧(A/O)工艺与生物膜法组合的反应器处理模拟生活污水,通过调节水力停留时间(HRT)、碳氮比(C/N)、消化液回流比优化反应器运行状态,并投加微生物菌剂(氨氮去除菌剂和反硝化菌剂)考察反应器运行效果的变化。结果表明:反应器启动30 d后趋于稳定;当HRT为24 h,C/N为4,回流比为200%时,反应器运行效果最佳,化学需氧量(COD)、氨氮( NH 4 + -N)和总氮(TN)的平均去除率分别为80.3%、79.9%和47.8%;投加微生物菌剂后,反应器对 NH 4 + -N处理能力加强,COD、N H 4 + -N和TN的平均去除率分别为79.5%、90.2%、56.6%,其中TN最高去除率可达70.0%,且反应器提高了对进水负荷的耐受性。高通量测序分析结果表明,原始污泥中微生物以变形菌门和拟杆菌门为主,其相对丰度之和为77.8%,运行过程中,2个门的细菌的相对丰度呈先下降后上升再趋于稳定的趋势;投加微生物菌剂后,缺氧池内细菌种类数和多样性明显增加,好氧池内2个门的细菌的相对丰度之和达92.3%。

     

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  • 收稿日期:  2020-04-09
  • 刊出日期:  2021-03-20

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