Performance of Solar-based Electrochemical System as Post-treatment of Hospital Wastewater Contaminated with Ciprofloxacin

IF 0.6 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES

Chiang Mai Journal of Science Pub Date : 2023-11-30 DOI:10.12982/cmjs.2023.057

Kritchanon Suanjan, W. Liamlaem, Nutta Sangnarin Hamjinda, C. Polprasert

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Abstract

T his research evaluated performance of a solar-based electrochemical system as a post-treatment of hospital wastewater contaminated with Ciprofloxacin (CIP), an antibiotic drug. Two laboratory-scale electrochemical units, and consisting of 2-5 anode and 1-4 cathode plates, were employed. Two types of electrode plates, aluminum (Al) and stainless steel (Ss), were installed in the units and their treatment efficiencies were investigated. Optimum conditions of the electrochemical system were determined by using a synthetic wastewater containing 0.01-20 mg/L of CIP (batch system); these experimental results were validated by using an actual hospital wastewater and a solar-based electrochemical system (continuous system). The experimental results of the batch system showed that the maximum CIP removal of 69% could be achieved at 10 minutes of hydraulic retention time (HRT), 18 volts in a voltage of power source (VPS), 83 A/m2 of current density (CD), and 1 cm of inter-electrode distance (IED) on Al plates. Similar results in the continuous system were obtained when the electrochemical system was fed with hospital wastewater containing CIP of about 350 ng/L. Application of solar-based energy in the electrochemical system showed similar efficiency of CIP removal, suggesting the applicability of the clean energy system for post-treatment of hospital wastewater containing antibiotic drugs

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太阳能电化学系统作为环丙沙星污染的医院废水后处理装置的性能

这项研究评估了太阳能电化学系统作为抗生素药物环丙沙星（CIP）污染的医院废水后处理的性能。研究采用了两个实验室规模的电化学装置，分别由 2-5 块阳极板和 1-4 块阴极板组成。装置中安装了铝（Al）和不锈钢（Ss）两种电极板，并研究了它们的处理效率。通过使用含 0.01-20 mg/L CIP 的合成废水（间歇式系统），确定了电化学系统的最佳条件；通过使用实际的医院废水和基于太阳能的电化学系统（连续式系统），验证了这些实验结果。批处理系统的实验结果表明，在水力停留时间（HRT）为 10 分钟、电源电压（VPS）为 18 伏特、电流密度（CD）为 83 A/m2 和铝板电极间距（IED）为 1 厘米的条件下，CIP 的最大去除率可达 69%。当电化学系统输入含有约 350 纳克/升 CIP 的医院废水时，在连续系统中也获得了类似的结果。在电化学系统中应用太阳能显示出类似的 CIP 去除效率，这表明清洁能源系统适用于含有抗生素药物的医院废水的后处理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chiang Mai Journal of Science MULTIDISCIPLINARY SCIENCES-

CiteScore

1.00

自引率

25.00%

发文量

103

审稿时长

3 months

期刊介绍： The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.

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