![]() The 3D system with CB as the main electrode had an applied voltage of 4 V, a treatment time of 5 h, plate spacing of 10 mm, and the dosage of activated carbon particles was 2 g. The 3D electrode system by used granular activated carbon as the particle electrode, with the carbon filled stainless mesh (CM) and coal based electrode (CB) as the main electrode, the treatment effect were better than main electrode of stainless steel mesh (M). The treatment effect of the 3D electrode system was significantly better than the 2D system. The removal of ions from the wastewater at 2 V is mainly due to the effect of electro adsorption and enrichment precipitation, while at 4 V, it is mainly due to anodization and cathodic deposition. The results show that the applied voltage was the key effect of the electrochemical treatment process. The effect of the applied voltage and the material of the main electrode on the removal of various ions and the characteristics of chemical reactions were mainly studied. In this paper, two-dimensional (2D) and three-dimensional (3D) electrochemical systems were used to treat cyanide wastewater. ![]() The electrochemical treatment of wastewater is widely used for cleaning due to its efficiency. 2Key Laboratory of Gold and Resource of Shaanxi Province, Xi'an, China.1School of Metalhurgical Engineering, Xi'an University of Architecture and Technology, Xi'an, China. ![]()
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