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首页> 外文会议>MES 23: Electrochemistry, nanotechnology, and biomaterials >Electrochemical Incineration of Indigo Textile Dye in Filter-Press-Type FM01-LC Electrochemical Cell Using Mesh-DSA Anode
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Electrochemical Incineration of Indigo Textile Dye in Filter-Press-Type FM01-LC Electrochemical Cell Using Mesh-DSA Anode

机译：Mesh-DSA阳极在压滤型FM01-LC电化学电池中靛蓝纺织染料的化学焚烧

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摘要

This work shows results obtained in the incineration of 1 mM indigo textile dye (536 ppm COD) in 0.05 M NaCl aqueous media (which resembles a denim laundry industrial wastewater). Electrolyses studies indicated that oxidation of indigo dye was carried out via hydroxyl radicals (OH~·) formed by water oxidation on the mesh-DSA (Ti/IrO_2-SnO_2-Sb_2O_5) electrode. Electrolyses in a FM01-LC reactor were performed at Reynolds between 50 ＜ Re ＜ 300, and a fixed current density of 7 mA cm~(-2). The experimental set-up achieved 100% in color removal, indigo mineralization, and 80% in current efficiency. The rate of degradation of indigo was not a function of the hydrodynamics, proving that this process is not controlled by mass transport. The FM01-LC equipped with mesh-DSA improves space-time yield, allowing better interaction between DSA(OH~·) and organics, a phenomenon that increases organic mineralization efficiency.
机译：这项工作显示了在0.05 M NaCl水性介质（类似于牛仔布工业废水）中焚烧1 mM靛蓝纺织染料（536 ppm COD）所获得的结果。电解质研究表明，靛蓝染料的氧化是通过网状DSA（Ti / IrO_2-SnO_2-Sb_2O_5）电极上水氧化形成的羟基自由基（OH〜·）进行的。在FM01-LC反应器中，在雷诺数为50 ＜Re ＜300且固定电流密度为7 mA cm〜（-2）的条件下进行电解。实验设置实现了100％的脱色，靛蓝矿化和80％的电流效率。靛蓝的降解速率不是流体动力学的函数，证明该过程不受质量传输的控制。配备有网状DSA的FM01-LC可提高时空产率，从而使DSA（OH〜·）与有机物之间具有更好的相互作用，这种现象增加了有机矿化效率。

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