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Recent Advances in Wastewater Electrocoagulation Technologies: Beyond Chemical Coagulation

Author

Listed:
  • Sangyeol Jo

    (Department of Advanced Energy Engineering, Chosun University, Gwangju 61452, Republic of Korea)

  • Rahul Kadam

    (Department of Advanced Energy Engineering, Chosun University, Gwangju 61452, Republic of Korea)

  • Heewon Jang

    (Department of Advanced Energy Engineering, Chosun University, Gwangju 61452, Republic of Korea)

  • Dongyun Seo

    (Department of Advanced Energy Engineering, Chosun University, Gwangju 61452, Republic of Korea)

  • Jungyu Park

    (Department of Advanced Energy Engineering, Chosun University, Gwangju 61452, Republic of Korea)

Abstract

This review provides a comprehensive analysis of the recent research trends and application cases of chemical coagulation (CC) and electrocoagulation (EC), which play a crucial role in wastewater treatment. In particular, the principles and process performances of the EC technologies are comparably reviewed with traditional CC technologies. EC offers the advantage of reducing the use of chemical agents and minimizing sludge generation compared to CC. Moreover, recent research cases have demonstrated its effectiveness in removing pollutants from wastewater. With increasing water consumption due to industrial development, the application of coagulation processes in wastewater and sludge treatment is expected to expand to minimize environmental impact. This review provides insights into the current status and future development direction of CC and EC technologies and can serve as foundational information for more efficient and environmentally friendly coagulation systems.

Suggested Citation

  • Sangyeol Jo & Rahul Kadam & Heewon Jang & Dongyun Seo & Jungyu Park, 2024. "Recent Advances in Wastewater Electrocoagulation Technologies: Beyond Chemical Coagulation," Energies, MDPI, vol. 17(23), pages 1-26, November.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:23:p:5863-:d:1527213
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    References listed on IDEAS

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    1. Luo, Li & Dzakpasu, Mawuli & Yang, Baichuan & Zhang, Wushou & Yang, Yahong & Wang, Xiaochang C., 2019. "A novel index of total oxygen demand for the comprehensive evaluation of energy consumption for urban wastewater treatment," Applied Energy, Elsevier, vol. 236(C), pages 253-261.
    2. Wudneh Ayele Shewa & Martha Dagnew, 2020. "Revisiting Chemically Enhanced Primary Treatment of Wastewater: A Review," Sustainability, MDPI, vol. 12(15), pages 1-19, July.
    3. Setyo Budi Kurniawan & Siti Rozaimah Sheikh Abdullah & Muhammad Fauzul Imron & Nor Sakinah Mohd Said & Nur 'Izzati Ismail & Hassimi Abu Hasan & Ahmad Razi Othman & Ipung Fitri Purwanti, 2020. "Challenges and Opportunities of Biocoagulant/Bioflocculant Application for Drinking Water and Wastewater Treatment and Its Potential for Sludge Recovery," IJERPH, MDPI, vol. 17(24), pages 1-33, December.
    4. Chunxin Zhang & Xin Chen & Meng Chen & Ning Ding & Hong Liu, 2023. "Response Surface Optimization on Ferrate-Assisted Coagulation Pretreatment of SDBS-Containing Strengthened Organic Wastewater," IJERPH, MDPI, vol. 20(6), pages 1-14, March.
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