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Suitability of electro-chemical reactor with copper electrode for sugar industry wastewater treatment: optimization of parameters, mechanism, kinetics and sludge analysis
International Journal of Chemical Reactor Engineering ( IF 1.6 ) Pub Date : 2021-06-01 , DOI: 10.1515/ijcre-2021-0074
Omprakash Sahu 1
Affiliation  

The waste water generated from sugar industry contains a high degree of organic pollutant. Treating the sugar industry wastewater is thus crucial important for the environmental concern. The treated water can be reprocessed in different unit operation due to lack of fresh water. The purpose of this research work is to treat the sugarcane processing industry wastewater by electrochemical technology. The experiment was carried out with the copper electrode in batch mode. The input process parameters were optimized by using response surface methodology. At optimum condition at pH 6.79, current 4.97, electrode distance 1.41 and treatment ∼30 min, maximum 87.07% of chemical oxygen demand and 99.18% color removals was attained. A fairly high predicted value of regression coefficient for chemical oxygen demand (Pre- R 2 ) 0.81 and color (Pre- R 2 ) 0.851 and adjacent value for chemical oxygen demand (Adj- R 2 ) 0.46 and color (Adj- R 2 ) 0.589 was obtained between the experimental values and the calculate values by using a second-order regression model. The physicochemical characterizations of scum reveal less percentage of inorganic and it cane used as a micronutrient.

中文翻译:

铜电极电化学反应器用于制糖工业废水处理的适用性:参数、机理、动力学和污泥分析的优化

制糖业产生的废水含有高度有机污染物。因此,处理制糖业废水对于环境问题至关重要。处理后的水由于缺乏淡水,可以在不同的单元操作中进行再处理。本研究工作的目的是利用电化学技术处理甘蔗加工业废水。实验以分批模式用铜电极进行。采用响应面法优化输入工艺参数。在 pH 6.79、电流 4.97、电极距离 1.41 和处理约 30 分钟的最佳条件下,达到最大 87.07% 的化学需氧量和 99.18% 的颜色去除。化学需氧量 (Pre-R 2 ) 0.81 和颜色 (Pre-R 2 ) 0 的回归系数预测值相当高。851 和化学需氧量 (Adj-R 2 ) 0.46 和颜色 (Adj-R 2 ) 0.589 的相邻值在实验值和计算值之间通过使用二阶回归模型获得。浮渣的理化特性表明无机物和甘蔗用作微量营养素的百分比较低。
更新日期:2021-06-19
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