外源电子供体驱动生物反硝化技术研究进展

潘元; 孙睿哲; 俞汉青

doi:10.13205/j.hjgc.202409001

外源电子供体驱动生物反硝化技术研究进展

doi: 10.13205/j.hjgc.202409001

潘元^1,2,
孙睿哲²,
俞汉青^2, ,

1. 安徽省市政污泥处置与资源化利用工程研究中心, 合肥 230026;
2. 中科院城市污染物转化重点实验室中国科学技术大学环境科学与工程系, 合肥 230026

基金项目:

安徽省市政污泥处置与资源化利用工程研究中心开放课题资助(TYKF202306)

安徽省科技重大专项(2021d07050001)

详细信息

作者简介:
潘元(1990-),男,副研究员,主要研究方向为微生物碳氮磷转化机制研究。yuanpan@ustc.edu.cn

通讯作者:
俞汉青(1966-),男,教授,主要研究方向为水污染控制的基础研究与技术研发。hqyu@ustc.edu.cn

计量
- 文章访问数: 53
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- PDF下载量: 3
- 被引次数: 0
出版历程
- 收稿日期: 2024-08-09
- 网络出版日期: 2024-12-02

RESEARCH ADVANCES IN BIOLOGICAL DENITRIFICATION TECHNOLOGY DRIVEN BY EXOGENOUS ELECTRON DONORS

PAN Yuan^1,2,
SUN Ruizhe²,
YU Hanqing^{2
, ,}

1. Anhui Municipal Sludge Disposal and Resource Utilization Engineering Technology Center, Hefei 230026, China;
2. CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China

摘要

摘要: 生物脱氮技术是废水处理中关键的氮去除方法。然而,传统的生物脱氮过程通常受限于废水中电子供体的不足,这导致了对外源电子供体的大量需求。选择合适的外源电子供体并优化其在生物脱氮中的应用,是提高脱氮效率、降低运营成本,并减少环境影响的关键。综述了不同类型的外源电子供体对于生物反硝化过程的微生物作用机制及其应用进展,重点讨论了不同营养型反硝化系统的功能微生物群落特征与增效机制。在厘清不同电子供体应用策略的基础上,重点探讨了混合营养型反硝化系统的潜力,该系统结合了异养与自养反硝化的优点,有助于提升自身的稳定性和处理效率。最后,展望了未来反硝化电子供体的研究方向,探讨通过综合调控电子供体类型和供给方式来优化脱氮过程的新策略,可为突破生物脱氮技术中电子供体不足问题的提供重要参考。
- 生物脱氮 /
- 低碳氮比废水 /
- 反硝化电子供体 /
- 混合营养反硝化
Abstract: Biological denitrification is a key method for removing nitrogen through wastewater treatment. However, traditional biological denitrification processes are often constrained by insufficient supply of electron donors in wastewater, necessitating the use of exogenous electron donors. This review summarizes the microbial mechanisms and the application progress of various types of exogenous electron donors in the biological denitrification process. It focuses on the characteristics of microbial communities and enhancement mechanisms in different nutritional-type denitrification systems. Based on an analysis of different strategies for electron donor applications, this review discusses the potential of mixed nutritional-type denitrification systems, which combine the advantages of heterotrophic and autotrophic denitrification, and enhance theirown stability and treatment efficiency. Finally, the review anticipates future research directions for the denitrification electron donors, exploring new strategies to optimize the denitrification process through comprehensive regulation of electron donor types and supply methods. That can provide important references for addressing the issue of insufficient electron donors in biological denitrification technology.
- biological nitrogen removal /
- low carbon/nitrogen ratio wastewater /
- exogenous electron donors /
- mixotrophic denitrification

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