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首页> 外文会议>International Conference on Materials Engineering and Science >Removal of Methylene Blue by Direct Electrochemical Oxidation Method Using a Graphite Anode
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Removal of Methylene Blue by Direct Electrochemical Oxidation Method Using a Graphite Anode

机译：用石墨阳极直接电化学氧化方法除去亚甲基蓝

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The present work is to degrade methylene blue dye from aqueous solution by direct electrochemical oxidation technique. For this purpose an electrochemical cell was used comprising of two electrodes made from graphite as anode and stainless steel 316 grade as cathode. Different operating parameters that affected the treatment process such as current density, electrolyte temperature and initial dye concentration had also been studied. The reaction mechanism of direct anodic oxidation of M.B. is undertaken and the kinetic follows a pseudo first order reaction. Results revealed that at 20°C electrolyte temperature, 10 mA/cm2 current density, 0.5 g/1 Na2SO4 as supporting electrolyte and 60 min electrolysis time, the decolorization percents for initial concentrations of M.B. 50 and 400 mg/L were 72.51% and 77.94% respectively while at 60°C the decolorization percent 99.75% and 99.60% respectively for the same others operating conditions. The power consumption increased from 2.055 to 11.714 Kw.h/m3 at applied voltage 14.6 V and 28.5 V respectively.
机译：本作本作通过直接电化学氧化技术从水溶液中降解亚甲基蓝色染料。为此目的，使用了一种电化学电池，包括由石墨制成的两个电极作为阳极和不锈钢316级作为阴极。还研究了影响处理过程的不同操作参数，例如电流密度，电解质温度和初始染料浓度。 M.B的直接阳极氧化反应机理。正在进行，动力学遵循伪第一阶反应。结果表明，在20°C电解质温度下，10mA / cm2电流密度，0.5g / 1na2so4作为支撑电解质和60分钟的电解时间，用于初始浓度的M.B的脱色百分比。分别为50和400mg / L分别为72.51％和77.94％，而在60°C下脱色百分比99.75％和99.60％，相同的其他操作条件。功耗分别从2.055增加到11.714 kW.h / m3分别在施加的电压14.6 V和28.5V。

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