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<p>Present study deals with the simultaneous removal of Tetracycline (TC)and Chemical Oxygen Demand (COD) from the municipal wastewater (MWW) using electrocoagulation (EC) process. All experiments were performed in EC batch reactor. Different combination of electrodes including Fe–Fe, Al-Al, Fe-Al, and Al–Fe were implemented during the EC process to optimize the TC and COD reduction from MWW. Operating parameters of EC process such as pH, current density (CD), electrode gap (g) and TC concentration were also optimized. Maximum TC and COD reduction of 96.8% and 97.8% respectively were achieved at optimum condition pH of 6, CD of 110.28 A/m<sup>2</sup>, g of 2&#xa0;cm and electrode combination of Fe–Fe with cost of 2.38 US $/m<sup>3</sup>. On the other hand, at the same operating condition maximum TC reduction of 95.3% and COD reduction of 95.4% were achieved with electrode combination of Al-Al. Additionally, both Fe-Al and Al–Fe electrode combination did not show any significant results as compared to Fe–Fe and Al-Al coupling. The operating cost of Fe–Fe based electrode was found less as compared to other electrode combinations.&#xa0;Typical standard deviations for effluent quality parameters are ± 3 in controlled studies. Both TC and COD remediation are required for safe disposal of treated MWW into land, sewage, or surface water. This work demonstrated that EC is well applicable to treat MWW.</p>

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Implementation of Electrocoagulation process for Simultaneous Removal of Antibiotic Tetracycline and Chemical Oxygen Demand from Municipal Wastewater

  • 期刊论文

  • 发表日期：

    2026年7月7日

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  • Amitesh,
  • R. Naresh Kumar

摘要

Present study deals with the simultaneous removal of Tetracycline (TC)and Chemical Oxygen Demand (COD) from the municipal wastewater (MWW) using electrocoagulation (EC) process. All experiments were performed in EC batch reactor. Different combination of electrodes including Fe–Fe, Al-Al, Fe-Al, and Al–Fe were implemented during the EC process to optimize the TC and COD reduction from MWW. Operating parameters of EC process such as pH, current density (CD), electrode gap (g) and TC concentration were also optimized. Maximum TC and COD reduction of 96.8% and 97.8% respectively were achieved at optimum condition pH of 6, CD of 110.28 A/m2, g of 2 cm and electrode combination of Fe–Fe with cost of 2.38 US $/m3. On the other hand, at the same operating condition maximum TC reduction of 95.3% and COD reduction of 95.4% were achieved with electrode combination of Al-Al. Additionally, both Fe-Al and Al–Fe electrode combination did not show any significant results as compared to Fe–Fe and Al-Al coupling. The operating cost of Fe–Fe based electrode was found less as compared to other electrode combinations. Typical standard deviations for effluent quality parameters are ± 3 in controlled studies. Both TC and COD remediation are required for safe disposal of treated MWW into land, sewage, or surface water. This work demonstrated that EC is well applicable to treat MWW.