首页|Multi-objective optimization of wastewater treatment using electrocoagulation
Multi-objective optimization of wastewater treatment using electrocoagulation
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Multi-objective optimization of wastewater treatment using electrocoagulation
This work aims to develop a model that will improve the performance and energy efficiency of a novel electrocoagulation(EC)process utilized in wastewater treatment to extrapolate the findings to an in-dustrial scale.Utilizing Design of experiments(DOE)allows us to maximize treatment efficiency while minimizing energy consumption.This evaluation was conducted by employing aluminum electrodes as sacrificial anodes.The main factors identified in preliminary experiments are the pH of the medium,the applied potential,and the treatment time.A three-level(33)factorial design was employed to examine the relationship between efficiency performance and energy consumption.Under optimal conditions,treatment efficiency is around 66％for biological oxygen demand within 5 days(BOD5),98％for chemical oxygen demand(COD),associated with a minimum energy consumption of 2.39 kW·h·mg-1 of COD.The parameters most significantly influenced by the mathematical models obtained were the potential or applied current,treatment time,and their interaction.The modeling results were also correlated with the experimental results and there were minimal discrepancies.The modeling results were also corre-lated with the experimental results to assess the accuracy and validity of the model's predictions and there were minimal discrepancies.The results provide promising possibilities for advancing an envi-ronmentally friendly wastewater treatment methodology and an economically viable technological solution.
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