Electrochemical Oxidation of Pollutants in Textile Wastewaters Using BDD and Ti-Based Anode Materials

被引：1
|
作者：
Afonso, Cesar [1 ]
Sousa, Carlos Y. [1 ]
Farinon, Daliany M. [1 ]
Lopes, Ana [1 ]
Fernandes, Annabel [1 ]
机构：
[1] Univ Beira Interior, Dept Chem, Fiber Mat & Environm Technol FibEnTech UBI, P-6201001 Covilha, Portugal
来源：
TEXTILES | 2024年 / 4卷 / 04期
关键词：
textile wastewater; BDD; mixed-metal oxides; pollutants mineralization; specific energy consumption; WASTE-WATER;
D O I：
10.3390/textiles4040030
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
This study aims to evaluate the electrochemical oxidation of real textile wastewater using boron-doped diamond (BDD) and different titanium-based mixed metal oxide (Ti/MMO) commercial anodes, namely Ti/RuO2-TiO2, Ti/IrO2-Ta2O5, Ti/IrO2-RuO2, and Ti/RuO2/IrO2-Pt. Experiments were conducted in batch mode, with stirring, at different applied current densities. The results showed that BDD attained the best results, followed by Ti/RuO2-TiO2, which achieved total color removal, a chemical oxygen removal of 61% with some mineralization of organic compounds, and a similar specific energy consumption to BDD. The worst performance was observed for Ti/IrO2-Ta2O5, with a specific energy consumption four times superior to BDD due to a negligible organic load removal.
引用
收藏
页码：521 / 529
页数：9
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