将Anammox集成到植被生物过系统中,以提高提取的性能,容量和分子机制
Yinghui Tang1, Kefeng Zhang1, Denis M O'Carroll1
1Water Research Centre, School of Civil and Environmental Engineering, University of New South Wales, Sydney, NSW 2052, Australia.
Environmental science & technology
|January 21, 2026
概括
将无氧氨氧化 (anammox) 整合到植被生物过系统 (VBS) 中,显著提高了去除效率. 这种增强系统 (A-VBS) 显示了可持续城市水处理的弹性和潜力.
科学领域:
- 环境工程 环境工程
- 微生物学 微生物学
- 水处理技术水处理技术
背景情况:
- 植被生物过系统 (VBS) 是环保的水处理解决方案.
- 传统的VBS难以从高强度的影响物中去除氨.
- 分散的水系统和溢出事件给氨管理带来了挑战.
研究的目的:
- 为了研究将无氧氨氧化 (anammox) 整合到VBS中以改善去除的有效性.
- 为了评估anammox集成VBS (A-VBS) 的性能和液压弹性.
- 阐明驱动A-VBS中增强的去除的微生物机制.
主要方法:
- 在25周内对A-VBS和常规VBS (C-VBS) 的比较研究.
- 在固定和缩短的液压保留时间 (HRT) 上的性能评估.
- 微生物社区分析 (16S rRNA基因测序) 和15N痕迹测试.
- 转化路径的定量建模.
主要成果:
- A-VBS实现了63.7%的去除效率,明显高于C-VBS (18.9%).
- 即使在缩短的HRT (48小时和24小时) 中也保持了提高的性能.
- 在A-VBS中Anammox细菌 (Candidatus Brocadia) 已经成功地建立,为N2生产贡献了46.2%.
结论:
- 安纳莫克斯的整合大大提高了VBS中的去除能力.
- A-VBS表现出液压弹性,使其适用于可变的流量条件.
- 化,anammox和脱之间的协同相互作用推动了高效的去除,为城市水系统提供了可持续的解决方案.
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