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加强建筑湿地的抗生素去除:基于MgFe-LDHs的战略,以优化微生物群落和代谢功能

Yu-Quan Zhong¹, Xiang-Long He¹, Yi-Hao Li²

¹Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment and Climate, Jinan University, Guangzhou 510632, China.

Journal of hazardous materials

|February 2, 2025

概括

铁层双氧化物 (MgFe-LDHs) 在建造湿地中显著提高了抗生素的去除. 这些材料增强了营养物质的去除,并丰富了有益的微生物,以便更好地处理废水.

科学领域:

环境科学环境科学
环境化学环境化学
微生物学微生物学

背景情况:

废水中的抗生素污染对环境构成重大风险.
传统的废水处理方法难以有效地去除各种抗生素.
建筑湿地 (CWs) 为废水处理提供了一种可持续的方法.

研究的目的:

为了评估垂直流构造湿地 (CWs) 的有效性,增强了铁层双氧化物 (MgFe-LDHs) 的抗生素去除作用.
评估MgFe-LDHs对和去除效率的影响.
研究MgFe-LDHs对CW中的微生物社区结构和功能的影响.

主要方法:

有或没有MgFe-LDH的垂直流CW的设计和操作.
使用高分辨率液体染色学-质谱法 (LC-MS) 量化抗生素去除.
使用香农多样性指数分析微生物群落多样性和组成.
代谢分析以了解微生物代谢途径.

主要成果:

MgFe-LDHs显著改善了和的去除18.7%-25.6%.
与MgFe-LDHs一起观察到,四环素,氧化四环素和奥洛素的降解增加了13.1%-17.8%.
引入MgFe-LDHs增加了微生物多样性,并丰富了关键的抗生素降解物种 (例如,Xanthobacter,Ochrobactrum,Stenotrophomonas).
MgFe-LDHs可能增强了微生物的新陈代谢途径,如糖解和三酸循环.

结论:

MgFe-LDHs在增强CWs中的抗生素去除中发挥着至关重要的作用.
该材料促进了抗生素降解细菌的生长,并优化了微生物的代谢功能.
Fe-LDHs提高了整体废水处理效率,包括营养物质的去除和抗生素降解.

关键词:

抗生素抗生素是一种抗生素.建造的湿地建造的湿地铁层状的双氧化物.转基因组学是指转基因组学.和是和的组成部分.

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