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首页> 外文期刊>Journal of industrial and engineering chemistry >Preparation of catalytic particle electrodes from steel slag and its performance in a three-dimensional electrochemical oxidation system
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Preparation of catalytic particle electrodes from steel slag and its performance in a three-dimensional electrochemical oxidation system

机译:钢渣催化颗粒电极的制备及其在三维电化学氧化系统中的性能

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摘要

Catalytic particle electrodes (CPEs) were developed from steel slag waste, and were used to degrade Rhodamine B (RhB). To improve degradation efficiency, Mn-loaded CPEs with good reproductive performance were constructed through ultrasound impregnation-calcination strategy. The resulting samples were characterized by XRF, SEM, EDS, XPS and XRD. Degradation efficiency of the systems with Mn-loaded CPEs were 93.22% without air supply in 80 min. And degradation efficiency for Mn-loaded CPEs reached 100% with air supply in 50 min. Furthermore, the enhanced mechanism was proposed. The high degradation efficiency could be ascribed to the increase of hydroxyl radicals originated from electro-Fenton.
机译:从钢渣废料中开发出了催化粒子电极(CPE),并用于降解罗丹明B(RhB)。为了提高降解效率,通过超声浸渍-煅烧策略构建了具有良好繁殖性能的负载锰的CPE。通过XRF,SEM,EDS,XPS和XRD对所得样品进行表征。装有Mn的CPE的系统在80分钟内没有空气供应时的降解效率为93.22%。在50分钟内通气,锰负载的CPE的降解效率达到100%。此外,提出了增强的机制。较高的降解效率可以归因于源自电子芬顿的羟基自由基的增加。

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