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微生物源培养方法对微生物电解细胞中含硫酸盐废水处理性能的影响

Kehui Lv¹, Hongwei Tang¹, Weimin Cheng¹

¹College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590, China.

Bioresource technology

|February 25, 2026

概括

微生物电解细胞 (MEC) 中的丰富细菌加速了反应器的启动,并提高了硫酸盐去除效率. 这种方法增强了生物膜的形成,以有效处理废水.

科学领域:

环境微生物学环境微生物学
电化学工程电化学工程
废水处理技术废水处理技术

背景情况:

微生物电解细胞 (MEC) 在处理富含硫酸盐的废水方面表现有前途.
长时间的反应堆启动时间阻碍了MECs的实际应用.
优化微生物群落对于提高MEC性能至关重要.

研究的目的:

调查不同微生物来源对硫酸盐废水处理的MEC性能的影响.
确定缩短MEC启动周期的策略.
阐明硫酸盐减少效率提高背后的机制.

主要方法:

用各种微生物来源接种的MEC的比较分析.
监测反应堆启动时间和硫酸盐减少效率.
电化学分析包括循环电压测量.
微生物社区结构分析 (16S rRNA测序).
功能性基因预测分析.

主要成果:

用丰富的细菌溶液注射显著减少了启动时间至15-20天.
实现了最高的硫酸盐降解效率70.2 ±2.3%.
电化学分析显示,循环电压计曲线面积高出1.0-1.2倍.
观察到细胞外聚合物分泌量增加和norank_f_Synergistaceae的优势 (21.9%).
与生物膜形成和硫酸盐减少相关的功能基因占主导地位.

结论:

丰富的细菌联盟有效地加速MEC启动并增强硫酸盐去除.
加强生物膜形成机制是提高治疗效率的关键.
这项研究为优化硫酸盐废水处理中的MEC提供了一个可行的策略.

关键词:

生物阴极生物膜是一种生物膜.生物电化学系统生物电化学系统丰富的细菌溶液中的细菌溶液.功能性基因是指功能性的基因.减少硫酸盐的细菌可以减少硫酸盐.

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