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《Environmental Science & Technology》 2012-01
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Modeling Treatment of Electroplating Cyanide-containing Wastewater Using Micro-electrolysis

ZHANG Yao,LIU Yong-jian*,ZHUANG Hong,TAI Jia,LIU Hao(Department of Chemical and Biological Engineering,Suzhou University of Science and Technology,Suzhou 215009,China)  
Modeling of micro-electrolysis of cyanide-containing wastewater was described,referring to the use of software like origin pro and 1stOpt.The optimum condition in terms of pH of the wastewater influent,volume ratio of iron to carbon,HRT and aeration time was determined through the orthogonal experiment and single factor test.According to the different relationship between each of the above four factors and the rate of cyanide removal,the model for each factor was constructed by origin pro through polynomial or S-curve fitting with the correlation coefficients of 0.969 9,0.984 6,0.994 8 and 0.995 8.Thus,a macro model with correlation coefficient of 0.941 3 was set up by use of 1stOp.By comparing the simulated values with the experimental values,it was concluded that the model constructed can be used in evaluation and estimation of cyanide removal by micro-electrolysis.
【CateGory Index】: X703.1
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