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Principles of Electrocoagulation and Application in Wastewater Treatment

Principles of Electrocoagulation and Application in Wastewater Treatment

Ezerie Henry Ezechi, Augustine Chioma Affam, Khalida Muda
Copyright: © 2020 |Pages: 28
ISBN13: 9781799803690|ISBN10: 1799803694|ISBN13 Softcover: 9781799803706|EISBN13: 9781799803713
DOI: 10.4018/978-1-7998-0369-0.ch017
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MLA

Ezechi, Ezerie Henry, et al. "Principles of Electrocoagulation and Application in Wastewater Treatment." Handbook of Research on Resource Management for Pollution and Waste Treatment, edited by Augustine Chioma Affam and Ezerie Henry Ezechi, IGI Global, 2020, pp. 404-431. https://doi.org/10.4018/978-1-7998-0369-0.ch017

APA

Ezechi, E. H., Affam, A. C., & Muda, K. (2020). Principles of Electrocoagulation and Application in Wastewater Treatment. In A. Affam & E. Ezechi (Eds.), Handbook of Research on Resource Management for Pollution and Waste Treatment (pp. 404-431). IGI Global. https://doi.org/10.4018/978-1-7998-0369-0.ch017

Chicago

Ezechi, Ezerie Henry, Augustine Chioma Affam, and Khalida Muda. "Principles of Electrocoagulation and Application in Wastewater Treatment." In Handbook of Research on Resource Management for Pollution and Waste Treatment, edited by Augustine Chioma Affam and Ezerie Henry Ezechi, 404-431. Hershey, PA: IGI Global, 2020. https://doi.org/10.4018/978-1-7998-0369-0.ch017

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Abstract

Electrocoagulation has emerged a reliable technology for the treatment of various wastewaters. Its basic principle depends on the response of water particles to strong electric field in a redox reaction. Oxidation of the anode material releases coagulating agents that form metal hydroxide complexes which neutralize particulate materials to form agglomerates. The agglomerates either settle at the bottom or float to the surface depending on the removal path of the electrocoagulation reactor. The merits of electrocoagulation include minimal sludge generation, minimal operator attention, simple equipment, high pollutant removal capacity, and ease of operation. Therefore, this chapter explores the mechanisms of electrocoagulation, components of electrocoagulation, benefits, and demerits of electrocoagulation. Furthermore, the similarity between electrocoagulation and coagulation is explored. Application of electrocoagulation for the treatment of various wastewaters was explored. Feasibility of electrocoagulation was examined through cost evaluation with other treatment technologies.

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