有氧脱细菌的去除性能通过铁阳极脉冲电场增强
Fan Wang1, Zhang Bo2, Xiaonan Dong3
1Institute of Resources and Civil Engineering, Northeastern University, Shenyang 110014, China; Liaoning HaiTianGe Environmental Protection Technology CO., LTD, Shenfu Reform and Innovation Demonstration Zone, Liaoning, 113122, China; These authors contributed equally to this study.
概括
带有铁电极 (PEF-Fe) 的脉冲电场有效地去除废水中的. 这项技术增强了细菌代谢和细胞透性,而不会造成永久性损伤,为污染物处理提供了一个有前途的解决方案.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 电化学 电化学 电化学
背景情况:
- 脉冲电场 (PEF) 技术对于降解反抗性污染物是有效的.
- 有氧脱细菌在废水中去除中起着至关重要的作用.
- 优化用于生物废水处理的PEF系统需要进一步研究.
研究的目的:
- 研究使用铁电极 (PEF-Fe) 的PEF系统对有氧脱细菌的影响.
- 评估PEF-Fe在从废水中去除的有效性.
- 了解PEF-Fe对细菌生长和新陈代谢的潜在机制.
主要方法:
- 使用铁电极构建一个PEF系统.
- 使用PEF-Fe.Fe.培养和处理有氧脱细菌 (W207-14).
- 分析化学氧气需求 (COD),酸盐 (NO3--N) 和酶活动.
- 显微镜检查 (SEM) 和流细胞计与光染色.
- 不同基因表达分析.
主要成果:
- 在最佳条件下,可实现COD (98.93%) 和NO3-N (97.60%) 的高去除率.
- 在W207-14.14中,PEF-Fe处理改善了关键酶活动,并增强了ABC蛋白的跨膜传输.
- 扫描电子显微镜和流细胞计证实可逆电穿孔,保持细胞完整性.
- 不同的基因表达突出了增强的细胞膜透性和电子运输的调节.
结论:
- PEF-Fe是一种可行的技术,可以有效地去除废水中的.
- PEF-Fe增强了有氧脱细菌的代谢功能和细胞透性,而不会造成不可逆转的损伤.
- 该研究阐明了涉及PEF-Fe处理的分子机制,包括ABC输送器激活和铁硫蛋白调节.
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