Effect of the induced dielectrophoretic force on harvesting of marine microalgae (Tetraselmis sp.) in electrocoagulation
| Author | Hawari, Alaa H. |
| Author | Alkhatib, Afnan M. |
| Author | Das, Probir |
| Author | Thaher, Mahmoud |
| Author | Benamor, Abdelbaki |
| Available date | 2023-05-23T09:39:14Z |
| Publication Date | 2020 |
| Publication Name | Journal of Environmental Management |
| Resource | Scopus |
| Abstract | In this study, a new electrocoagulation electrode configuration has been investigated in order to induce dielectrophoretic (DEP) force for the enhanced harvesting of marine microalgae (Tetraselmis sp.). Asymmetrical aluminum electrodes with an alternative current power supply were used. The impact of electrode configuration, current density and electrolysis time were evaluated. A maximum algal harvesting efficiency of 90.9% was achieved using 7.1 mA/cm2 current density and 10 min electrolysis time. The energy consumption was found to be 4.62 kWh/kg of microalgae. The major significance of using the new electrode configuration was found in the aluminum content in the harvested biomass which decreased by 52% compared to the conventional symmetrical electrocoagulation electrodes. 2020 Elsevier Ltd |
| Sponsor | The authors would like to thank Qatar University for the provided financial support. The authors would also like to thank the Center for Sustainable Development at Qatar University for providing the marine microalgae species. |
| Language | en |
| Publisher | Elsevier |
| Subject | Alternating current Aluminum accumulation Dielectrophoresis (DEP) Electrocoagulation Marine microalgae |
| Type | Article |
| Volume Number | 260 |
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Center for Sustainable Development Research [317 items ]
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Civil and Environmental Engineering [851 items ]
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GPC Research [499 items ]