光- fenton法去除磺胺甲基嗪、环丙沙星、磺胺噻唑和阿莫西林的动力学模拟

H. Dezhampanah, H. Jalali
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引用次数: 0

摘要

采用动力学蒙特卡罗模型研究了光Fenton过程(柠檬酸铁/过氧化氢在紫外线照射下)对磺胺二甲嘧啶、环丙沙星、硫噻唑和阿莫西林抗生素的动力学和光分解机理。已经实现了上述每种光Fenton降解的反应动力学机制。通过动力学蒙特卡罗模拟,获得了反应机理的每一步(包括抗生素的光-芬顿过程)的速率常数值作为可调参数。通过动力学蒙特卡罗模拟获得柠檬酸铁(III)和过氧化氢的初始量对抗生素消除率的影响,研究了柠檬酸铁和过氧化氢的最佳值。在上述系统的模拟结果和实验照片Fenton数据之间观察到完全一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Kinetically simulation of photo-Fenton process in removal of sulfamethazine, ciprofloxacin, sulfathiazole and amoxicillin by Monte Carlo modeling
Kinetic Monte Carlo modeling was employed to investigate the kinetics and photodecomposition mechanism of sulfamethazine, ciprofloxacin, sulfathiazole, and amoxicillin antibiotics by the photo-Fenton process (iron(III) citrate/hydrogen peroxide in the presence of UV irradiation). The reaction kinetic mechanisms of each photo-Fenton degradation mentioned above have been achieved. The rate constants values for each step of the reaction mechanisms (including photo-Fenton process of antibiotics) were obtained as adjustable parameters by kinetic Monte Carlo simulation. The optimized values of iron(III) citrate and hydrogen peroxide were investigated through the obtaining the effect of their initial amounts on the rate of antibiotic elimination utilizing kinetic Monte Carlo simulation. The perfect agreement is observed between the simulation results and the experimental photo-Fenton data for the systems above.
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