In-house-prepared carbon-based Fe-doped catalysts for electro-Fenton degradation of azo dyes

Journal of the Serbian Chemical Society

Manojlović Dragan D.¹  Avdin Vyacheslav V.²  Zherebtsov Dmitry A.²  Stanković Dalibor M.³  Roglić Goran M.⁴  Savić Slađana D.⁴ 

[1] South Ural State University, Chelyabinsk, Russia + University of Belgrade, Faculty of Chemistry, Department of Analytical Chemistry, Belgrade, Serbia;South Ural State University, Lenin prospect, Chelyabinsk, Russia;University of Belgrade, Faculty of Chemistry, Department of Analytical Chemistry, Belgrade, Serbia + University of Belgrade, “VINČA” Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Department of Radioisotopes, Belgrade, Serbia;University of Belgrade, Faculty of Chemistry, Department of Applied Chemistry, Belgrade, Serbia;

关键词: reactive blue 52;    granulation;    decolorization;    hydrogen peroxide;    graphite;    advanced oxidation processes;   

DOI  :  10.2298/JSC210901103S

来源: DOAJ

【 摘 要 】

Compounds used in the fashion industry effect the water bodies in the vicinity of textile factories, resulting in the visible coloration of surface water. Fe-doped graphite-based in house prepared electrodes were used in the Fenton- -like degradation of Reactive Blue 52 (RB52). The electrodes consisting of high-density graphite in three granulation sizes and three levels of Fe content were characterized using scanning electron microscopy (SEM). The amount of Fe in the electrodes and H2O2 concentration in synthetic textile wastewater were optimized. Additionally, the size of graphite grains was varied to investigate whether it effects the degradation rate. Under only 10 min of electro-Fenton degradation, a system with 10 mmol dm-3 of H2O2 and an electrode made of 7 % of Fe and 70 μm of granulation size of graphite, degraded over 75 % of RB52, and over 99 % after 40 min of treatment. The obtained results indicate that the proposed approach could be beneficial in the field of novel materials for environmental application and that in house prepared carbon could be an excellent replacement for commercially available supports.

【 授权许可】

Unknown