[1]王康舟,吕恺,邵贤明,等.基于MBBR的部分反硝化耦合厌氧氨氧化深度脱氮[J].中国给水排水,2022,38(17):15-20.
　WANGKang-zhou,LüKai,SHAOXian-ming,et al.Advanced Nitrogen Removal through Partial Denitrification Coupled with Anammox Process in MBBR[J].China Water & Wastewater,2022,38(17):15-20.
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基于MBBR的部分反硝化耦合厌氧氨氧化深度脱氮

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第38卷 期数: 2022年第17期 页码: 15-20 栏目: 出版日期: 2022-09-01
Title:
Advanced Nitrogen Removal through Partial Denitrification Coupled with Anammox Process in MBBR
作者:
王康舟1,2， 吕恺1,2， 邵贤明1,2， 李佳慧1,2， 姚雪薇1,2， 彭党聪1,2
（1.西安建筑科技大学 环境与市政工程学院，陕西 西安 710055；2.西安建筑科技大学 西北水资源与环境生态教育部重点实验室，陕西 西安710055）
Author(s):
WANG　Kang-zhou1，2， Lü　Kai1，2， SHAO　Xian-ming1，2， LI　Jia-hui1，2， YAO　Xue-wei1，2， PENG　Dang-cong1，2
（1. School of Environmental and Municipal Engineering， Xi’an University of Architecture and Technology， Xi’an 710055， China； 2. Northwest China Key Laboratory of Water Resources and Environment Ecology， Xi’an University of Architecture and Technology， Xi’an 710055， China）
关键词:
厌氧氨氧化;  部分反硝化;  移动床生物膜反应器;  二级出水
Keywords:
Anammox;  partial denitrification;  MBBR;  secondary effluent
摘要:
在常温、低基质浓度下运行MBBR反应器，考察了部分反硝化耦合厌氧氨氧化用于城市污水二级出水处理的可能性。在进水TN和COD浓度分别为25 mg/L和50 mg/L的条件下，经过180 d的运行，出水TN浓度为（3.87±0.69） mg/L，去除率可达（83.86±5.43）%，其中Anammox对TN的去除贡献达到（95±4）%。Anammox和部分反硝化活性分别稳定在（728.84±7.90）、（1 128.24±12.24） mg/（m2·d），表明部分反硝化菌和Anammox菌形成了良好的协同作用。高通量测序结果显示，经富集培养后，Candidatus Brocadia占比从0.62%增至5.61%，为Anammox菌的主导菌属；Thauera占比从0.004%增至3.74%，为部分反硝化菌的主导菌属。在常温和低基质浓度条件下，部分反硝化耦合厌氧氨氧化MBBR的稳定运行可为城市污水处理厂的提质增效提供参考。
Abstract:
The MBBR reactor was operated at normal temperature and low substrate concentration, and the possibility of partial denitrification coupled with Anammox (PD/A) for treatment of secondary effluent from municipal wastewater treatment plant (WWTP) was investigated. The results showed that after 180 days of cultivation at TN=25 mg/L and COD=50 mg/L, the effluent TN concentration was (3.87±0.69) mg/L, total nitrogen removal rate was (83.86±5.43)%, and the contribution to nitrogen removal by Anammox process was (95±4)%. Anammox and partial denitrification activities were stabilized at (728.84±7.90) mg/(m2·d) and (1 128.24±12.24) mg/(m2·d), respectively, which indicated partial denitrification bacteria and Anammox bacteria formed a good synergy effect. The high-throughput sequencing results showed that the proportion of Candidatus Brocadia increased from 0.62% to 5.61%, and the proportion of Thauera increased from 0.004% to 3.74%. Under the conditions of normal temperature and low substrate concentration, the stable operation of PD/A in MBBR provides a reference for improving the quality and efficiency of WWTPs.

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更新日期/Last Update: 2022-09-01