使用 PbO2 涂层石墨电极改进厨房废水处理技术

IF 3.2 4区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Journal of the Indian Chemical Society Pub Date : 2024-11-01 DOI:10.1016/j.jics.2024.101453
V.S. Neeraj, M. Yashwanth, B. Pavan Kalyan, Arunagiri Appusamy, Karuppan Muthukumar
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引用次数: 0

摘要

本研究探讨了使用通过超声辅助电化学沉积制备的 PbO₂涂层石墨(G-PbO₂)电极对厨房废水(KW)进行电化学处理的问题。通过各种技术,包括 X 射线衍射分析 (XRD)、X 射线光电子能谱 (XPS)、循环伏安法 (CV)、电化学阻抗能谱 (EIS) 和扫描电子显微镜 (SEM),对 G-PbO2 电极进行了表征,证实了 PbO₂ 的成功沉积和催化活性的增强。在最佳条件下(电流密度 0.75 Adm-2、电解质浓度 1.5 gL-1、电极间距 2 cm、pH 值 3),G-PbO₂ 电极的 COD 减排率达到 94%,能耗为 0.002 kWh gCOD-1。这些结果凸显了该电极在去除 COD 方面的优越性能和低能耗。
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Improved kitchen wastewater treatment using PbO2-coated graphite electrode
This study investigates the electrochemical treatment of kitchen wastewater (KW) using a PbO₂-coated graphite (G-PbO₂) electrode prepared via ultrasound-assisted electrochemical deposition. The G-PbO2 electrode was characterised through various techniques, including X-ray diffraction analysis (XRD), X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and scanning electron microscopy (SEM), confirming the successful deposition of PbO₂ and enhanced catalytic activity. Under optimal conditions (current density 0.75 Adm−2, electrolyte concentration 1.5 gL-1, electrode distance 2 cm, and pH 3), the G-PbO₂ electrode achieved a 94 % COD reduction with an energy consumption of 0.002 kWh gCOD−1. These results highlight the superior performance of the electrode in COD removal, accompanied by low energy consumption.
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来源期刊
CiteScore
3.50
自引率
7.70%
发文量
492
审稿时长
3-8 weeks
期刊介绍: The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.
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