电介导生物系统与配列管状电极模块相结合,用于增强制药废水处理:试点规模的性能和电驱动的代谢机制
Lu Chen1, Guang Yang2, Hui Xu1
1State Key Laboratory of Regional Environment and Sustainability, School of Environment, Tsinghua University, Beijing 100084, PR China.
Water research
|November 18, 2025
概括
本研究介绍了一种电介导生物系统 (EMBS),用于处理工业废水,增强耐火性有机转化和化学氧气需求去除. 这种新型系统有效地减少了污染物,满足了排放标准.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 工业废水的生物降解性差,阻碍了无氧处理中耐火性有机的转化.
- 这种限制阻碍了随后的碳转化,需要先进的处理策略.
研究的目的:
- 开发和试验一个新的电介导生物系统 (EMBS) 来处理制药废水.
- 研究该系统在转化碳和耐火有机的有效性,利用电机力刺激微生物新陈代谢.
主要方法:
- 一个试点规模的电介导生物系统 (EMBS) 与一个阵列管状电极模块 (ATEM) 结合在一起被开发出来.
- 电机力被用来刺激微生物的新陈代谢,用于废水处理.
- 分析了代谢途径和微生物反应,包括基因表达和细胞外聚合物质的产生.
主要成果:
- EMBS显著减少了芳香有机物和转化的有毒异环化合物.
- 化学氧需求 (COD) 清除效率提高了107.5%,有机转化改善了14.2%.
- 观察到新陈代谢途径 (三酸循环, рибофлавин代谢) 的上调和增强的细胞外电子转移,导致最终废水中COD和TN水平分别为40.2 ± 22.3 mg/L和52.3 ± 5.2 mg/L.
结论:
- 可扩展的EMBS,利用ATEM,为全面的工业废水处理提供了一个有希望的方法.
- 该系统有效地应对碳和排放方面的挑战,改善水质以满足排放标准.
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