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Dataset on statistical reduction of COD by electrocoagulation process using RSM.

Neela Acharya1, Chandrakant Thakur1, P K Chaudhari1

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|December 31, 2019
PubMed
Summary

Electrocoagulation (EC) offers a cost-effective solution for treating domestic sewage (DS). This study optimized EC parameters, achieving significant chemical oxygen demand (COD) reduction for efficient wastewater treatment.

Keywords:
CCDDomestic sewageElectrocoagulationRSM

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Area of Science:

  • Environmental Engineering
  • Water Treatment Technologies
  • Electrochemistry

Background:

  • Municipal wastewater treatment faces challenges with viability and cost-effectiveness.
  • Domestic sewage (DS) requires efficient and economical treatment methods.
  • Electrocoagulation (EC) presents a promising approach for wastewater remediation.

Purpose of the Study:

  • To investigate an efficient and cost-effective electrocoagulation (EC) process for domestic sewage (DS) treatment.
  • To determine the optimal operating conditions for removing chemical oxygen demand (COD) and other pollutants.
  • To evaluate the performance of SS-304 as an electrode material in the EC process.

Main Methods:

  • Laboratory batch process utilizing SS-304 stainless steel electrodes.
  • Systematic testing of parameters including pH, current density (CD), electrode configuration, and treatment time (tR).
  • Optimization of operating parameters using response surface methodology (RSM) with a central composite design (CCD).

Main Results:

  • Optimal operating conditions were identified for pollutant removal.
  • Achieved a 77.78% reduction in chemical oxygen demand (COD).
  • Optimal conditions found at a current density (CD) of 27.78 A/m2 and treatment time (tR) of 20 minutes.

Conclusions:

  • The electrocoagulation (EC) process using SS-304 electrodes is an effective and economical method for domestic sewage (DS) treatment.
  • Response surface methodology (RSM) successfully optimized EC parameters for enhanced COD removal.
  • The study demonstrates a viable low-cost solution for municipal wastewater challenges.