利用主流厌氧氨氧化工艺对城市污水进行强化脱氮的研究。

IF 8.1 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Chemosphere Pub Date : 2024-11-01 DOI:10.1016/j.chemosphere.2024.143622
Haonan Shen , Qian Zhang , Meng Li , Xibei Tan , Xiaoqian Dong , Hongyu Wang
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引用次数: 0

摘要

厌氧氨氧化(anammox)工艺是一种关键的脱氮技术,在废水处理领域发挥着重要作用。本文首先阐述了厌氧氨氧化工艺与传统硝化-反硝化技术相比的优点。随后,论文深入探讨了不同污泥形态的特征、厌氧细菌的行为过程及其对环境因素的反应。在修订与主流地区城市污水管理相关的问题时,它讨论了在氮负荷减少的情况下厌氧菌过程所面临的问题,如由于氨氮和亚硝酸盐浓度水平降低而导致的活性受限,以及低温、有机物和硫离子等环境因素的影响。随后,对各种类型的耦合氨氧化过程进行了全面回顾,重点介绍了部分硝化(PN)、部分反硝化(PD)、甲烷依赖性亚硝酸盐/硝酸盐还原(DAMO)、硫驱动自养反硝化(SAD)、铁氨氧化(feammox)和藻类光自养耦合技术的优势和特点,强调了它们在系统稳定性和资源利用效率方面的重要意义。未来的研究方向包括探索氨氧化工艺在各种温度条件下的适用性,以及解决污水中的 NO3-N 问题。这些研究结果将为进一步优化主流城市污水处理中的氨氧化工艺提供有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Research on intensive nitrogen removal of municipal sewage by mainstream anaerobic ammonia oxidation process
The anaerobic ammonia oxidation (anammox) process is a pivotal nitrogen removal technique, playing a significant role in the field of wastewater treatment. The paper commences by delineating the merits of the anammox process in comparison to conventional nitrification-denitrification techniques. Subsequently, it delves into the characteristics of different sludge morphologies process of the behavior of anammox bacteria and their reactions to environmental factors. Revising the issues associated with managing urban sewage in mainstream areas., it discusses the issues faced by the anammox process under reduced nitrogen loads, such as restricted activity due to decreased the levels of ammonia nitrogen and nitrite concentrations, as well as the impact of environmental factors like low temperature, organic matter, and sulfur ions. Following this, a comprehensive review of various types of coupled anammox processes is provided, highlighting the advantages and characteristics of partial nitrification (PN), partial denitrification (PD), methane-dependent nitrite/nitrate reduction (DAMO), sulfur-driven autotrophic denitrification (SAD), iron ammonia oxidation (feammox) and algae photoautotrophy coupling techniques, emphasizing their significance in system stability and resource utilization efficiency. Future research directions include exploring the applicability of the anammox process under various temperature conditions and addressing NO3-N issues in effluent. The findings from these studies will offer valuable insights for further enhancing the optimization of the anammox process in mainstream urban wastewater treatment.
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来源期刊
Chemosphere
Chemosphere 环境科学-环境科学
CiteScore
15.80
自引率
8.00%
发文量
4975
审稿时长
3.4 months
期刊介绍: Chemosphere, being an international multidisciplinary journal, is dedicated to publishing original communications and review articles on chemicals in the environment. The scope covers a wide range of topics, including the identification, quantification, behavior, fate, toxicology, treatment, and remediation of chemicals in the bio-, hydro-, litho-, and atmosphere, ensuring the broad dissemination of research in this field.
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