Preparation of nano SnO2-Sb2O3 composite electrode by cathodic deposition for the elimination of phenol by Sonoelectrochemical oxidation

IF 0.7 4区工程技术 Q4 CHEMISTRY, APPLIED Polish Journal of Chemical Technology Pub Date : 2024-09-06 DOI:10.2478/pjct-2024-0026

Hind Jabbar Nsaif, Najwa Saber Majeed, Rasha H. Salman

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Abstract

The preparation of composite metal oxide to attain high efficiency in removing phenol from wastewater has a great concern. In the present study, the focus would be on adopting antimony-tin oxide coating onto graphite substrates instead of titanium; besides the effect of SbCl3 concentration on the SnO2-Sb2O3 composite would be examined. The performance of this composite electrode as the working electrode in the removal of phenol by sonoelectrochemical oxidation will be studied. The antimony-tin dioxide composite electrode was prepared by cathodic deposition with SnCl2 . 2H2O solution in a mixture of HNO3 and NaNO3, with different concentrations of SbCl3. The SnO2-Sb2O3 deposit layer’s structure and morphology were examined and the 4 g/l SbCl3 gave the more crystallized with nanoscale electrodeposition. The highest removal of phenol was 100% at a temperature of 30 oC, with a current density (CD) of 25 mA/cm2.

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通过阴极沉积制备纳米二氧化锡-Sb2O3 复合电极，利用声电化学氧化法消除苯酚

制备复合金属氧化物以高效去除废水中的苯酚是一个非常值得关注的问题。本研究的重点是在石墨基底上采用氧化锑锡涂层，而不是钛涂层；此外，还将研究 SbCl3 浓度对 SnO2-Sb2O3 复合材料的影响。此外，还将研究 SbCl3 浓度对 SnO2-Sb2O3 复合材料的影响，并研究这种复合电极作为工作电极在通过声电化学氧化法去除苯酚时的性能。二氧化锑-二氧化锡复合电极是在 SnCl2 .2H2O 溶液在 HNO3 和 NaNO3 的混合物中进行阴极沉积，并加入不同浓度的 SbCl3。对 SnO2-Sb2O3 沉积层的结构和形态进行了检测，结果表明 4 g/l SbCl3 的电沉积结晶度更高，达到纳米级。在温度为 30 oC、电流密度（CD）为 25 mA/cm2 时，苯酚的去除率最高，达到 100%。

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来源期刊

Polish Journal of Chemical Technology CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL

CiteScore

1.70

自引率

10.00%

发文量

审稿时长

4.5 months

期刊介绍： Polish Journal of Chemical Technology is a peer-reviewed, international journal devoted to fundamental and applied chemistry, as well as chemical engineering and biotechnology research. It has a very broad scope but favors interdisciplinary research that bring chemical technology together with other disciplines. All authors receive very fast and comprehensive peer-review. Additionally, every published article is promoted to researchers working in the same field.