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微纳米气泡增强了不动化的Chlorella vulgaris,以从地下水中去除ofloxacin

Mengyao Jing¹, Jianping Zhang¹, Guijuan Li¹

¹School of Water and Environment, Chang' an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang' an University, Xi'an 710054, China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of Ministry of Water Resources, Chang' an University, Xi'an 710054, China.

Journal of contaminant hydrology

|November 18, 2024

概括

微纳米气泡 (MNBs) 显著提升固定的菌从地下水中去除素 (OFLX). 这种环保方法增强了藻类生长和抗生素降解,为净化水提供了可行的解决方案.

科学领域:

环境科学环境科学
水处理技术水处理技术
微生物学微生物学

背景情况:

抗生素污染是一个日益严重的全球环境问题.
缺乏有效的地下水污染清除策略.
奥夫洛克萨 (OFLX) 是一种常见的抗生素污染物.

研究的目的:

为了研究微纳米气泡 (MNBs) 增强的固定化Chlorella从地下水中去除ofloxacin.
分析各种因素对抗生素去除效率的影响.
为了阐明所涉及的去除机制.

主要方法:

使用微纳米气泡 (MNBs) 来增强固定的Chlorella vulgaris,以去除ofloxacin.
研究了初始OFLX度,藻类度,通风时间和共存离子的影响.
使用扫描电子显微镜 (SEM) 和里埃变换红外光谱 (FT-IR) 分析了去除机制.

主要成果:

MNBs增加了Chlorella vulgaris生物质的2.48倍,提高了OFLX清除效率.
OFLX去除率与藻类度和共存离子正相关.
OFLX去除率与通风时间和初始OFLX度负相关.
确定了参与OFLX静止作用的功能组 (-NH, -OH, -C=O, -CH2, -C-O-C).
降解 (生物降解和非生物降解) 被确定为主要的去除机制.

结论:

用MNBs增强的固定是一种技术上可行的方法,可以从地下水中去除ofloxacin.
该技术提供了改善的生物质生长和高效的抗生素降解.
这种方法为水生环境中抗生素污染提供了一个有希望的解决方案.

关键词:

抗生素抗生素是一种抗生素.地下水的地下水.微纳米气泡是什么意思微纳米气泡是什么意思微藻类是一种微藻类.这种药物是Ofloxacin.移除机制移除机制

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