Abstract
This paper shows the present scenario of the electrochemical oxidation cum electrocoagulation for the treatment of the refractory Chemical Oxygen Demand (COD) in the industrial waste water stream. The present work discussed about the design engineering canvas representing the electrochemical oxidation process for the treatment of the industrial waste water stream. The effects of flow rates and residence time (s) were investigated on degradation of chemical oxygen demand(COD), color, electrochemical degradation index (EDI), total dissolved solid (TDS), turbidity, salinity, and instantaneous current efficiency (ICE). In this work, we have also designed a prototype of electrochemical cell in which different parameters are studied, namely, current intensity, agitation speed, amount of coagulant, and time of process. It is found that after the proper completion of the process the impurity gets settled at the bottom in the form of sludge and some of the light particles float on the surface. The impurities were removed with thehelp of membrane. The present work also compares the advantages of the electrochemical oxidation cum electrocoagulation process with other process used for the treatment of the refractory COD.
Published Version
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