使用无机过氧化物在水中降解二西林的方法及其与UVC的组合-实验和理论方面
Fidel Granda-Ramírez1, Efraím A Serna-Galvis2,3, Yenny Ávila-Torres2
1Grupo de Investigación Ambiente, Hábitat y Sostenibilidad, Facultad de Arquitectura e Ingeniería, Institución Universitaria Colegio Mayor de Antioquia, Carrera 78 No. 65-46, Medellín, Colombia.
这项研究表明,无机过氧化物和UVC处理有效降解废水中的抗生素二西林 (DXC). 先进的氧化工艺显示出消除这种常见的制药污染物的巨大潜力.
科学领域:
- 环境化学环境化学
- 水处理技术水处理技术
- 制药污染 制药污染 制药污染 制药污染
背景情况:
- 抗生素是新兴的环境污染物,对生态系统构成风险.
- 狄克洛西林 (DXC) 是一种常见的β-乳酸抗生素,在制药废水中经常被检测到.
- 需要有效的降解方法来减轻抗生素对环境的影响.
研究的目的:
- 评估无机过氧化物和基于UVC的治疗方法对二西林 (DXC) 降解的疗效.
- 通过计算化学阐明降解途径.
- 为了评估模拟制药废水中DXC的去除.
主要方法:
- 先进的氧化过程包括UVC单独,UV-C/H2O2,UVC/氧硫酸盐和UVC/氧硫酸盐.
- 计算计算 (边界轨道,福井指数) 用于识别DXC上的反应站点.
- 染色学分析以量化DXC降解并识别副产品.
主要成果:
- 紫外线/H2O2,紫外线/氧硫酸盐和紫外线/氧硫酸盐处理对DXC具有很高的降解效率.
- 计算分析确定了DXC上易受激进攻击的特定部分.
- 从模拟的制药废水中成功去除了DXC.
结论:
- 无机过氧化物与UVC相结合,有效降解抗生素二西林.
- 透硫酸盐和UV-C/H2O2具有特别强烈的降解作用.
- 理论计算有助于了解制药污染物的降解机制.
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