在微生物电化学系统构建的湿地中同时深度去除酸盐和四双甲
Xiao-Qiu Lin1, Zhi-Ling Li2, Xue-Qi Chen2
1School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
Bioresource technology
|October 30, 2024
概括
微生物电化学系统构建的湿地 (MES-CWs) 增强了Tetrabromobisphenol A (TBBPA) 和酸盐的去除. 这项研究揭示了酸盐如何影响微生物群落和除途径,以有效处理废水.
科学领域:
- 环境科学 环境科学
- 环境工程 环境工程
- 微生物学 微生物学
背景情况:
- 微生物电化学系统构建的湿地 (MES-CWs) 为废水处理提供了一种可持续的方法.
- 新兴的污染物,如四博二甲 (TBBPA),对传统的处理方法构成挑战.
- 在MES-CW中结合去除TBBPA和酸盐及其潜在机制需要进一步研究.
研究的目的:
- 研究使用MES-CWs深度去除TBBPA和酸盐的可行性和机制.
- 了解酸盐对TBBPA降解和微生物社区结构在MES-CW中的影响.
主要方法:
- 使用MES-CW用于同时从废水中去除TBBPA和酸盐.
- 分析了酸盐对TBBPA还原性脱和甲生成的影响.
- 描述了微生物社区的转变,特别是Acinetobacter的丰富,并确定了关键的代谢途径.
主要成果:
- MES-CWs 证明了与酸盐去除并发的增强的 TBBPA 排毒.
- 酸盐显著抑制了TBBPA的降解脱和甲生产.
- 酸盐改变了微生物群落,丰富了Acinetobacter,从而刺激了水解脱和代谢物氧化.
- 生物阴极提供了用于还原性除的电子,而阳极则促进了代谢物氧化.
结论:
- 酸盐和阳极电优化了MES-CW中的微生物群落,以有效地去除新出现的污染物.
- 该研究阐明了酸盐和电化学过程在增强TBBPA降解方面的协同效应.
- 在废水处理中,MES-CW显示出对同时深度去除酸盐和新出现的污染物的有希望.
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