掺铜氧氯化铁生物炭活化过氧单硫酸盐以降解四环素并对其耐药菌进行消毒

IF 6.3 2区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of water process engineering Pub Date : 2024-10-15 DOI:10.1016/j.jwpe.2024.106318

Ao Li , Yingqiu Wu , Jianzhuo Zhou , Xuejiang Wang

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引用次数: 0

摘要

本研究以玉米芯生物炭（CBC）为载体，采用浸渍-热解法优化制备了氧氯化铁生物炭（FeOCl-CBC）和掺铜氧氯化铁生物炭（Cu@FeOCl-CBC），以解决日益严重的抗生素和抗生素耐药菌向水生环境扩散的问题。研究了 FeOCl-CBC 和 Cu@FeOCl-CBC 的去除性能。结果表明，在 Cu@FeOCl-CBC 活化过一硫酸盐（PMS）反应 60 分钟后，四环素（TC）的去除率达到 99.0%，与 FeOCl-CBC 相比提高了 4.4%。在 Cu@FeOCl-CBC/PMS 反应体系中，非自由基途径 1O2 占主导地位，此外还有 -OH、-O2- 和 SO4--，其贡献顺序为 1O2 > -OH > -O2- > SO4--。与仅使用 Cu@FeOCl-CBC 和 PMS 相比，Cu@FeOCl-CBC/PMS 还能有效灭活耐四环素细菌，并显示出更好的杀菌效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Activation of peroxymonosulfate by Cu-doped iron oxychloride biochar for the degradation of tetracycline and disinfection of its resistant bacteria

查看原文本刊更多论文

Activation of peroxymonosulfate by Cu-doped iron oxychloride biochar for the degradation of tetracycline and disinfection of its resistant bacteria

This study optimized the preparation of iron oxychloride biochar (FeOCl-CBC) and Cu-doped iron oxychloride biochar (Cu@FeOCl-CBC) using an impregnation-pyrolysis method with corncob biochar (CBC) as a carrier to address the increasingly serious problem of antibiotic and antibiotic-resistant bacteria spreading to the aquatic environment. The removal performance of FeOCl-CBC and Cu@FeOCl-CBC was investigated. The results showed that the tetracyclines (TC) removal rate reached 99.0 % after 60 min of Cu@FeOCl-CBC-activated peroxymonosulfate (PMS) reaction, which improved by 4.4 % compared to FeOCl-CBC. In the Cu@FeOCl-CBC/PMS reaction system, non-radical path ¹O₂ dominates, and there are also ·OH,·

O_{2}^{-}

, and SO⁴⁻·, with contributions in the order of ¹O₂ > ·OH > ·

O_{2}^{-}

> SO⁴⁻·. Cu@FeOCl-CBC/PMS also effectively inactivates tetracycline-resistant bacteria and shows better bactericidal efficacy than using only Cu@FeOCl-CBC and PMS.

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来源期刊

Journal of water process engineering Biochemistry, Genetics and Molecular Biology-Biotechnology

CiteScore

10.70

自引率

8.60%

发文量

846

审稿时长

24 days

期刊介绍： The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies