机械洞察力 微生物和功能响应 诺夫洛克萨 在一个硫酸盐介导的脱颗粒污泥系统中的微生物和功能反应
Jin Qian1, Sai Bai1, Xiangning Xu2
1Research & Development Institute in Shenzhen, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, China.
Bioresource technology
|June 18, 2025
概括
硫酸盐驱动的脱颗粒污泥有效地从废水中去除酸盐和诺夫洛克萨. 这一过程增强了微生物的功能,减少了生态毒性,为受营养和抗生素污染的水提供了强大的解决方案.
科学领域:
- 环境微生物学环境微生物学
- 废水处理技术 废水处理技术
- 生物修复是一种生物修复.
背景情况:
- 低碳比的废水带来了处理方面的挑战.
- 废水中的抗生素污染需要有效的清除策略.
- 硫酸硫酸盐驱动的脱是一种潜在的解决方案,可以同时去除营养和污染物.
研究的目的:
- 评估基硫酸盐驱动的脱颗粒污泥系统的有效性,以同时去除酸盐和诺弗洛素.
- 为了研究在诺夫洛克萨治疗期间的降解途径和微生物群落转移.
- 评估诺夫洛克萨对抗生素耐药性基因和污泥中的移动遗传元素的影响.
主要方法:
- 用硫酸作为燃料的颗粒型污泥系统的运行,用于脱.
- 在1.5小时的液压保留时间下分析酸盐和诺弗洛克萨去除效率.
- 转基因和功能基因分析,以确定微生物群落组成和代谢途径.
- 抗生素耐药性基因和移动遗传元素的量化.
主要成果:
- 实现了97.0%的酸盐去除和50.2%的诺弗洛素去除,没有酸盐积累.
- 诺夫洛克萨辛通过乙化,脱化和oline环裂变降解,从而降低了生态毒性.
- 细胞染色体P450丰度的显著增加和关键的硫氧化和脱基因的上调.
- 诺弗洛克萨暴露导致总和等离子体相关抗生素耐药性基因和移动遗传元素的丰富性增加.
结论:
- 硫酸盐驱动的脱颗粒污泥系统是有效的同时去除酸盐和norfloxacin.
- 该系统促进了微生物的适应,从而提高了降解途径,降低了生态毒性.
- 使用这种系统处理废水可能会增加抗生素耐药性和移动遗传元素的扩散,需要进一步调查.
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