Ti3C2Tx MXene存在下阿米替林和布洛芬的声降解

IF 6.6 Q1 ENGINEERING, ENVIRONMENTAL
Minjung Jeon , Byung-Moon Jun , Sewoon Kim , Jaeweon Cho , Chang Min Park , Choe Earn Choong , Min Jang , Yeomin Yoon
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引用次数: 6

摘要

本研究研究了MXene在水溶液中对选定药物活性化合物(阿米替林(AMT)和布洛芬(IBP))的声降解。为了考察降解过程的实用性,实验在不同的水质条件下进行,包括pH、温度、天然有机物和离子强度。实验结果表明,生成的过氧化氢可以代表生成的OH自由基,是影响两种phac降解性能的重要因素。为了证实OH自由基的重要性,还研究了OH自由基促进剂(H2O2)和清除剂(t-BuOH)的作用。此外,通过超声、MXene和US/MXene联合体系的速率常数,评价超声(US)与MXene的协同作用。研究了PhACs的矿化作用,AMT的去除率高于IBP,这可能是由于化合物的物理化学性质和分散良好的MXene增强了吸附作用。综上所述,超声波法利用MXene可以提高水中PhACs的去除效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sonodegradation of amitriptyline and ibuprofen in the presence of Ti3C2Tx MXene

This study, which investigated the sonodegradation of selected pharmaceutical active compounds (PhACs) (amitriptyline (AMT) and ibuprofen (IBP)) with MXene, was carried out in an aqueous solution. To investigate the practicality of the degradation process, the experiments were conducted in various water quality conditions, including pH, temperature, natural organic matter, and ionic strength. Based on the experimental results, the produced hydrogen peroxide, which could be a representative of the produced OH radicals, was a vital factor that affected the degradation performance of both PhACs. To confirm the importance of OH radicals, the effect of a OH radical promoter (H2O2) and scavenger (t-BuOH) was also studied. In addition, the synergism between ultrasonication (US) and MXene was evaluated with the rate constants of US only, MXene only, and a US/MXene combined system. Mineralization of the PhACs was also investigated, and removal of AMT was higher than that of IBP, which could be attributed to the physicochemical properties of the compounds and enhanced adsorption by the well-dispersed MXene. Overall, utilization of MXene by means of ultrasonication could enhance the removal performance of PhACs in water.

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来源期刊
Journal of hazardous materials letters
Journal of hazardous materials letters Pollution, Health, Toxicology and Mutagenesis, Environmental Chemistry, Waste Management and Disposal, Environmental Engineering
CiteScore
10.30
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20 days
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