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硫甲通过微生物电解细胞与 - 共修改的生物阴极进行降解

Yabin Li¹, Qian Wei¹, Xia Zhao²

¹College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China.

Environmental science and pollution research international

|February 6, 2024

概括

在微生物电解细胞 (MEC) 中有效降解硫甲 (SMT). 这种先进的生物阴极实现了82%的SMT去除,显著改善了废水处理.

科学领域:

环境科学环境科学
电化学电化学电化学
微生物学微生物学

背景情况:

像硫甲 (SMT) 这样的抗生素残留物会给环境带来风险.
传统的废水处理方法往往不足以完全降解SMT.
微生物电解电池 (MEC) 为污染物清除提供了一个有前途的方法.

研究的目的:

为准备和表征-联合改性不钢网 (Ni-Co@SSM) 作为生物阴极材料.
为了评估Ni-Co@SSM在SMT降解的MEC中的效率.
调查微生物群落和在SMT去除中涉及的代谢途径.

主要方法:

通过电极沉积制造Ni-Co@SSM生物阴极.
使用Ni-Co@SSM用于SMT降解的MEC的操作.
分析SMT清除效率和中间产品的分析.
使用16S rRNA测序进行微生物社区分析.

主要成果:

Ni-Co@SSM的最佳电化学性能是在特定的电沉积参数 (600 s,20 mA cm−2,Ni:Co比为1:2) 下实现的.
MEC-Ni-Co@SSM显示了82%的SMT去除,比传统反应堆增加了30%.
确定了13种SMT降解中间体,并提出了降解途径.
确定了主要的细菌类: 蛋白质细菌, 固形细菌, 病菌细菌, 化, 细菌类和欧类.
电刺激增强了微生物社区的代谢功能和遗传信息处理.

结论:

Ni-Co@SSM是一种有效的生物阴极,用于增强MEC中SMT降解.
该研究阐明了驱动MEC中SMT去除的微生物机制.
这项研究提供了一种可行的策略,用于使用MEC技术处理用抗生素污染的废水.

关键词:

生物阴极是一种生物阴极.微生物社区的微生物社区.微生物电解细胞是一种微生物电解细胞.硫甲的生物降解方法污水处理污水处理污水处理

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