先进型无隔膜电化学池中气体扩散阴极的合成与应用
Synthesis and application of gas diffusion cathodes in an advanced type of undivided electrochemical cell.
作者信息
Zaidi S Z J, Luan Y, Harito C, Utari L, Yuliarto B, Walsh F C
机构信息
Electrochemical Engineering Laboratory, Energy Technology Research Group, Faculty of Engineering and Environment, Engineering Sciences, University of Southampton, Highfield, Southampton, SO17 1BJ, UK.
Institute of Chemical Engineering and Technology, University of the Punjab, Lahore, Pakistan.
出版信息
Sci Rep. 2020 Oct 14;10(1):17267. doi: 10.1038/s41598-020-74199-2.
This paper reports the oxidation of Remazol black B dye by employing iron ions catalyst based gas diffusion cathodes, (GDCs). A GDC was synthesized by using a layer of carbon black and iron ions catalyst for oxygen reduction to hydrogen peroxide. The results demonstrated around 97% decolorization of Remazol black-B dye for 50 min by iron ions catalyst based GDC. The degradation study was performed under electrogenerated hydrogen peroxide at a constant voltage of - 0.6 V vs Hg/HgSO in which the rate of degradation was correlated with hydrogen peroxide production. Overall, the GDC's found to be effective method to degrade the dyes via electro-Fenton.
本文报道了采用基于铁离子催化剂的气体扩散阴极（GDCs）对雷马素黑B染料进行氧化的研究。通过使用一层炭黑和铁离子催化剂来合成GDC，用于将氧气还原为过氧化氢。结果表明，基于铁离子催化剂的GDC在50分钟内可使雷马素黑B染料脱色约97%。降解研究是在相对于Hg/HgSO为 - 0.6 V的恒定电压下通过电生成过氧化氢进行的，其中降解速率与过氧化氢的产生相关。总体而言，发现GDC是一种通过电芬顿法降解染料的有效方法。
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