高铁酸盐和电化学方法对废水中葡萄球菌和金黄色葡萄球菌的抑制作用

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY
A. Medveďová, Stanislava Kecskésová, Anna Krivjanská, M. Vojs, M. Marton, J. Filip, Miroslav Fehér, T. Mackuľak
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引用次数: 0

摘要

摘要环境中抗生素浓度的增加及其在废水中的亚抑制浓度可能导致现有细菌的抗生素耐药性增加。因此,本研究旨在分析通过电化学方法和添加高铁酸盐对废水中凝固酶阳性葡萄球菌和金黄色葡萄球菌的抑制效果。硼掺杂金刚石电极在阳极中的高级电化学氧化;阴极和阳极-阴极连接用于废水消毒。结果表明,最有效的连接是阳极连接,因为40分钟后观察到对凝固酶阳性葡萄球菌和金黄色葡萄球菌的完全抑制。废水消毒的能耗为3.69kWh/m3。第二种研究的废水消毒方法是高铁酸盐粉末的应用。添加100mg高铁酸盐对进水中的凝固酶阳性葡萄球菌和金黄色葡萄球菌的抑制率分别为84~96%和97~99%,而对出水中的凝凝固酶阴性葡萄球菌和黄金黄色葡萄球菌分别为61~83%和83~86%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Inhibition of staphylococci and S. aureus in wastewater by ferrates and electrochemical methods
Abstract Increasing concentration of antibiotics in environment and their subinhibitory concentrations in wastewater may result in increased antibiotic resistance of present bacteria. Therefore, this study was aimed to analyze the efficiency of coagulase-positive staphylococci and Staphylococcus aureus inhibition in wastewater by electrochemical methods and addition of ferrates. Advanced electrochemical oxidation by boron doped diamond electrodes in anode; cathode and anode-cathode connection were used for wastewater disinfection. Results showed that the most effective connection was the anodic one, as complete inhibition of coagulase-positive staphylococci as well as of S. aureus was observed after 40 min. Energy consumption was 3.69 kWh/m3 for effluent wastewater disinfection. The second studied method of wastewater disinfection was the application of powdered ferrates. Addition of 100 mg of ferrates resulted in the inhibition of 84—96 % of coagulase-positive staphylococci and 97—99 % of S. aureus in influent water, while the inhibition of coagulase-positive staphylococci and S. aureus was 61—83 % and 83—86 %, respectively, in effluent wastewater.
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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