Although the literature mainly reports on the inactivation of bacteria by various electrochemical disinfectants, the impact of process variables and reactor design on bactericidal performance is not fully understood. This review concentrates on recent achievements of electrocoagulation (EC) and electrooxidation (EO) in killing pathogens such as Escherichia coli. Lynn et al. [1] [2] showed that in addition to EC alone, EC-EO enhanced E. coli reduction only after pH adjustment. They proposed that additional process optimization may lead to further improvements, such as adjusting the iron dosage for natural organic matter (NOM) removal, which would limit the effectiveness of oxidant scavengers. Additionally, more efficient filtration techniques (e.g., granular filtration) will reduce NOM and total iron content in the EO feedwater, decreasing the need for oxidants. Furthermore, continuous EC-EO treatment requires more elevated EO current densities to improve E. coli removal. Investigating the pathways of demobilizing E. coli in drinking water at high iron concentrations in the EO range will also provide deep insights into ongoing setup design. This review provides crucial, reliable, safe, and versatile alternatives to the widespread trouble of human drinking water pollution. Using and propagating the EC-EO technique will diminish health risks related to water quality, economic burden, lost labor time, import washout to the national economy, and natural resource management. Commercial-scale deployment of EC-EO technology will undoubtedly increase the socioeconomic burden on local communities via secured water supply and result in a reduction in government health expenditures.
Cite this paper
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Ghernaout, D., Elboughdiri, N. and Lajimi, R. (2022) Combining Electrified Membranes and Electrochemical Disinfection for Virus Demobilization. Open Access Library Journal, 9, E8749. https://doi.org/10.4236/oalib.1108749
Ghernaout, D., Aichouni, M. and Touahmia, M. (2019) Mechanistic Insight into Disinfection by Electrocoagulation—A Review. Desalination and Water Treatment, 141, 68-81. https://doi.org/10.5004/dwt.2019.23457
Hussain, M., Syed, Q., Bashir, R. and Adnan, A. (2021) Electrochemical Process for Simultaneous Removal of Chemical and Biological Contaminants from Drinking Water. Environmental Science and Pollution Research, 28, 45780-45792.
https://doi.org/10.1007/s11356-021-13669-0
Ghernaout, D. and Elboughdiri, N. (2021) Modeling Viruses’ Isoelectric Points as a Milestone in Intensifying the Electrocoagulation Process for Their Elimination. Open Access Library Journal, 8, E7166. https://doi.org/10.4236/oalib.1107166
Ghernaout, D. and Elboughdiri, N. (2020) Strategies for Reducing Disinfection By-Products Formation during Electrocoagulation. Open Access Library Journal, 7, E6076. https://doi.org/10.4236/oalib.1106076
Ghernaout, D., Elboughdiri, N. and Lajimi, R. (2022) Electrocoagulation of Escherichia coli Culture: Effects of Temperature and Cell Concentration. Open Access Library Journal, 9, E8763. https://doi.org/10.4236/oalib.1108763
Daghrir, R. and Drogui, P. (2013) Coupled Electrocoagulation-Electro-Fenton for Efficient Domestic Wastewater Treatment. Environmental Chemistry Letters, 11, 151-156. https://doi.org/10.1007/s10311-012-0390-2
Ghernaout, D. and Elboughdiri, N. (2020) UV-C/H2O2 and Sunlight/H2O2 in the Core of the Best Available Technologies for Dealing with Present Dares in Domestic Wastewater Reuse. Open Access Library Journal, 7, E6161.
https://doi.org/10.4236/oalib.1106161
Ghernaout, D. and Elboughdiri, N. (2020) Vacuum-UV Radiation at 185 nm for Disinfecting Water. Chemical Science & Engineering Research, 2, 12-17.
https://doi.org/10.36686/Ariviyal.CSER.2020.02.04.015
Ghernaout, D. and Naceur, M.W. (2011) Ferrate(VI): In Situ Generation and Water Treatment—A Review. Desalination and Water Treatment, 30, 319-332.
https://doi.org/10.5004/dwt.2011.2217
Hellal, M.S., Hemdan, B.A., Youssef, M., El-Taweel, G.E. and Abou Taleb, E.M. (2022) Novel Electro-Oxidation Unit for Electro-Disinfection of E. coli and Some Waterborne Pathogens during Wastewater Treatment: Batch and Continuous Experiments. Scientific Reports, 12, Article No. 16417.
https://doi.org/10.1038/s41598-022-20451-w
Ghernaout, D. and Elboughdiri, N. (2020) Controlling Disinfection By-Products Formation in Rainwater: Technologies and Trends. Open Access Library Journal, 7, E6162.
