Journal of Petrochemical Universities ›› 2023, Vol. 36 ›› Issue (2): 27-33.DOI: 10.12422/j.issn.1006-396X.2023.02.004

• Petrochemical Engineering • Previous Articles     Next Articles

Effect of HRT on Nitrogen Removal Performance and EPS in Combined Packed SBBR

Han Ma(), Duosen Yan, Yaqi Zhu, Xiaodan Zhu, Shanshan Li()   

  1. School of Resources and Environment,Qingdao Agricultural University,Qingdao Shandong 266109,China
  • Received:2021-08-25 Revised:2022-11-07 Published:2023-04-25 Online:2023-05-06
  • Contact: Shanshan Li

HRT对组合式填料SBBR脱氮性能和EPS的影响

马涵(), 闫多森, 朱娅绮, 朱晓丹, 李姗姗()   

  1. 青岛农业大学 资源与环境学院,山东 青岛 266109
  • 通讯作者: 李姗姗
  • 作者简介:马涵(2000⁃),女,从事水污染控制工程方面的研究;E⁃mail:ma1216591235@163.com
  • 基金资助:
    山东省大学生创新创业训练计划项目(S202010435109);青岛农业大学高层次人才启动基金项目(665/1120042)

Abstract:

The effect of hydraulic retention time (HRT) on the performance of a combined packed sequencing batch biofilm reactor (SBBR) for treating simulated domestic wastewater was investigated.The changes of denitrification performance,denitrification rate and EPS in SBBR were detected and analyzed at different HRT (16 h, 12 h and 8 h).The results indicate that HRT has no significant effect on COD removal rate.Shortening HRT inhibited the activity of microorganisms on the biofilm,increased the mass fraction of TB?EPS and LB?EPS by 30.25% and 29.88%,and decreased the denitrification rate to 64.1%.The best HRT obtained from the experiment was 12 h.

Key words: Sequencing batch biofilm reactor, Hydraulic retention time, Nitrogen removal performance, Nitrification rate, Extracellular polymer

摘要:

研究了水力停留时间(HRT)对组合式填料序批式生物膜反应器(SBBR)处理模拟生活废水性能的影响。考察了不同HRT(16、12、8 h)的条件下SBBR的脱氮性能、脱氮速率和胞外聚合物(EPS)质量分数的变化。结果表明,HRT对COD去除率没有显著影响;缩短HRT抑制生物膜上微生物的活性,使紧密胞外聚合物(TB?EPS)和疏松胞外聚合物(LB?EPS)质量分数增加30.25%、29.88%,脱氮速率降低至64.1%;实验得出的最佳HRT为12 h。

关键词: 序批式生物膜反应器, 水力停留时间, 脱氮性能, 硝化速率, 胞外聚合物

CLC Number: 

Cite this article

Han Ma, Duosen Yan, Yaqi Zhu, Xiaodan Zhu, Shanshan Li. Effect of HRT on Nitrogen Removal Performance and EPS in Combined Packed SBBR[J]. Journal of Petrochemical Universities, 2023, 36(2): 27-33.

马涵, 闫多森, 朱娅绮, 朱晓丹, 李姗姗. HRT对组合式填料SBBR脱氮性能和EPS的影响[J]. 石油化工高等学校学报, 2023, 36(2): 27-33.