A dual-cell wastewater treatment system with combining anodic visible light driven photoelectro-catalytic oxidation and cathodic electro-Fenton oxidation
A dual-cell wastewater treatment system with combining anodic visible light driven photoelectro-catalytic oxidation and cathodic electro-Fenton oxidation
复制标题
阳极可见光驱动光电催化氧化与阴极电芬顿氧化相结合的双池废水处理系统
DOI：
10.1016/j.seppur.2014.01.046
复制
发表时间：
2014-04
影响因子：
8.6
通讯作者：
Zhang, Lizhi
中科院分区：
文献类型：
--
作者：
Ding, Xing;Ai, Zhihui;Zhang, Lizhi
本研究通过耦合阳极光电化学/电芬顿（PEC）电池和阴极电芬顿（EF）电池（D-PEC-EF）构建了双电池废水处理系统，以氟锡氧化物玻璃上沉积的Bi2WO6纳米板作为阳极（Bi2WO6/FTO），活性碳纤维负载的Fe@Fe2O3核壳纳米线（Fe@Fe2O3/ACF）作为气体扩散阴极。与对应的单电池PEC-EF系统（S-PEC-EF）相比，两个分离的电池可以同时降解罗丹明B（RhB），从而显着提高降解效率和TOC去除率，因为从Bi2WO6/FTO阳极转移的光生电子在Fe@Fe2O3/ACF阴极上产生更多的过氧化氢，并且由于两个电池的分隔，阳极氧化消耗的过氧化氢更少，这增强了PEC和EF的氧化能力和显着提高了光催化量子效率和整体电流效率。该研究不仅可以为废水处理提供高效节能的高级氧化技术，而且可以加深对双电池电化学过程协同效应的认识。
In this study a dual-cell wastewater treatment system was constructed by coupling anodic photo-electrochemical/electro-Fenton (PEC) cell and cathodic electro-Fenton (EF) cell (D-PEC-EF), with the Bi2WO6nanoplates deposited on fluorine-tin oxide glass as the anode (Bi2WO6/FTO) and Fe@Fe2O3core–shell nanowires supported on activated carbon fiber (Fe@Fe2O3/ACF) as the gas diffusion cathode. The two separated cells could degrade rhodamine B (RhB) simultaneously and thus enhance the degradation efficiency and the TOC removal significantly in comparison with that of counterpart single-cell PEC-EF system (S-PEC-EF) because of more hydrogen peroxide electro-generated on the Fe@Fe2O3/ACF cathode by photo-generated electrons transferred from the Bi2WO6/FTO anode and less hydrogen peroxide consumed by anodic oxidation owing to the partition of two cells, which enhanced both PEC and EF oxidation ability and improved both photocatalytic quantum efficiency and overall current efficiency significantly. This study could not only provide a high effective and energy-saving advanced oxidation technology for wastewater treatment, but also deepen understanding of the synergic effect in dual-cell electrochemical process.
登录
查看更多内容
影响因子：
3.7
作者：
T. Luo;Zhihui Ai;Lizhi Zhang
通讯作者：
T. Luo;Zhihui Ai;Lizhi Zhang
影响因子：
13.6
作者：
Xing Ding;Zhihui Ai;Lizhi Zhang
通讯作者：
Xing Ding;Zhihui Ai;Lizhi Zhang
影响因子：
8.8
作者：
E. Ruiz;Conchita Arias;E. Brillas;A. Hernández-Ramírez;J. Peralta-Hernández
通讯作者：
E. Ruiz;Conchita Arias;E. Brillas;A. Hernández-Ramírez;J. Peralta-Hernández
使用活性碳纤维阴极和 UVA 照射下光电芬顿处理矿化抗生素磺胺甲恶唑
影响因子：
22.1
作者：
Wang, Aimin;Li, Yu-You;Estrada, Adriana Ledezma
通讯作者：
Estrada, Adriana Ledezma
影响因子：
3.7
作者：
Chai, Shouning;Zhao, Guohua;Li, Dongming
通讯作者：
Li, Dongming