Free Chemicals - Sonoelectrochemical Treatment as a Biocompatible Procedure for Decolourization of Anthraquinone Dyes

Subject Areas : Dyes and Their Intermediates

Mohammad Hassan Ehrampoosh ¹ (Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.)
Atefeh Rezaee ² (Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.)
M.A Ahmadabadi ³ (Research and Development Center, Nano Kimia Kavir Yazd Company, Yazd, Iran.)

Received: 2022-04-17 Accepted : 2022-06-16 Published : 2022-06-20

Keywords: Degradation, Sonoelectrochemical, Basic Blue 47, Free Chemicals,

Abstract :

Dye compounds are known as one of the most important environmental pollutants. Up to now, several methods have been offered to eliminate these pollutants from industrial wastes, especially in the textile industry. A method that has received a great deal of attention in recent years is the sonoelectrochemical method. In this study, using the Central Composite Design, the interactive effects of four essential variables such as pH, initial dye concentration, time, and applied potential on sonoelectrochemical decolorization of Basic Blue 47 were optimized and investigated.Based on the obtained results in the absence of oxidant agents, the best index for decolorization in optimal conditions includes pH of 9.0, initial dye concentration of 303.3 μM, time of 93 min, and potential of 0.81 V corresponding to the design by the CCD was 98%. It was experimentally found to be 96.0 %, and the Chemical Oxygen Demand (COD) was 97 %.

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