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首页> 外文期刊>International Journal of Electrochemical Science >Electrochemical Degradation of Sago wastewater using Ti/PbO2 Electrode: optimisation using Response Surface Methodology
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Electrochemical Degradation of Sago wastewater using Ti/PbO2 Electrode: optimisation using Response Surface Methodology

机译：Ti / PbO 2 电极对西米废水的电化学降解：响应面法优化

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The electrochemical treatment of sago wastewater was studied on lead dioxide coated titanium anodeand stainless steel as cathode in the presence of NaCl electrolyte in a batch process. The treatmentconditions were optimised using response surface methodology where pH was kept in range, currentdensity and electrolyte concentration was kept as minimum for maximum % removal of COD.2 Analysis of variance (ANOVA) results revealed that the coefficient of determination value (R ) of %COD removal was 0.9887. Optimum conditions at room temperature were obtained for the highest2 desirability of 0.920 at 18 mA/cm current density, 6.5 pH, 80 min electrolysis time and 1g/l electrolyteconcentration to achieve 58.85% COD removal and energy consumption as minimum. Hence,electrochemical method was more effective in degradation of pollutant at low operating cost and theresults support the applicability of electrochemical treatment process to the sago wastewater as analternative approach.
机译：以NaCl为电解液，以二氧化铅包覆的钛阳极和不锈钢为阴极，研究了西米废水的电化学处理。使用响应表面方法优化了处理条件，其中pH值保持在一定范围内，电流密度和电解质浓度保持最小，以最大程度地去除COD。2方差分析（ANOVA）结果表明，测定系数（R）为％ COD去除率为0.9887。获得了最佳的室温条件，以在18 mA / cm的电流密度，6.5 pH，80分钟的电解时间和1g / l的电解质浓度下实现0.92的最高期望2，以实现58.85％的COD去除和最低能耗。因此，电化学方法在较低的运行成本下能更有效地降解污染物，结果支持了电化学处理工艺作为西米废水的一种替代方法。

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