Volume 2, Issue 2 (Spring 2014)                   Iran J Health Sci 2014, 2(2): 1-9 | Back to browse issues page

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Dehghani M, Shabestari R, Anushiravani A, Shamsedini N. Application of Electrocoagulation Process for Reactive Red 198 Dye Removal from the Aqueous Solution. Iran J Health Sci 2014; 2 (2) :1-9
URL: http://jhs.mazums.ac.ir/article-1-165-en.html
Department of Environmental Health Engineering, School of Health, Student Research Committee, Shiraz University , shams8575@yahoo.com
Abstract:   (4960 Views)

Abstract Background and purpose:The main objectives of this research were to evaluating the application of electrocoagulation process for 198 dye from the aqueous phase and determining the optimum operating conditions to the dye removal using aluminum and iron electrodes. Materials and Methods:The present study was conducted in bench-scale. The spectrophotometer DR 5000 was used to determine the dye concentration. The effects of pH, retention time, voltage, dye concentration on the efficiency of electrocoagulation process were investigated. Data were analyzed in SPSS for Windows 16.0 using Pearson’scorrelation coefficient to analyze the relationship between these parameters. Results:The results showed that the optimal conditions for reactive red 198 (RR-198) dye removal from the aqueous solution are pH of 11, the voltage of 32 V, the initial dye concentration of 10 ppm, and the reaction time of 40 min. Pearson correlation analysis showed that there is a significant relationship between voltage and the reaction time with the removal efficiencies (P< 0.01). Conclusion:It was revealed that the removal efficiency of dye was directly proportional to the voltage and reaction time, but inversely proportional to the initial dye concentration. In conclusion, electrocoagulation process using two-fold iron and aluminum electrodes is an appropriate method for reducing the RR-198 dye in the aqueous phase.

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Type of Study: Original Article | Subject: Environmental Health

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