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AuthorMussa, Afnan
AuthorHafiz, Mhd Ammar
AuthorDas, Probir
AuthorHawari, Alaa H.
Available date2023-05-23T09:39:13Z
Publication Date2022
Publication NameAlgal Research
ResourceScopus
URIhttp://dx.doi.org/10.1016/j.algal.2022.102730
URIhttp://hdl.handle.net/10576/43349
AbstractThe harvesting of microalgae using conventional technologies suffers from biomass contamination, high energy consumption and long processing time. In this study, titanium dioxide insulated stainless steel electrodes were used for the harvesting of Chlorella sp. microalgae by dielectrophoretic force. The new electrode configuration is expected to achieve high harvesting efficiency with zero contamination for the harvested biomass. The effect of various experimental parameters on the harvesting efficiency was evaluated using a bench scale setup. This includes settling time, applied voltage, interelectrode distance, application of pulsed electric field, and applied current frequency. The maximum harvesting efficiency of 76.6% was obtained at 4 mm interelectrode distance, 200 V applied voltage, 250 kHz frequency, and application of pulsed electric field for 30 min. Under these conditions, the energy consumption was 7.76 kWh/kg. The most significant impact of using the new electrode configuration is achieving high harvesting efficiency with no contamination for the biomass. 2022
SponsorThis research is made possible by UREP award ( UREP25-060-2-025 ) from Qatar National Research Fund (QNRF). The statements made herein are solely the responsibility of the authors. Open access funding was provided by Qatar National Library.
Languageen
PublisherElsevier
SubjectAlternating current
Chlorella sp. microalgae
Dielectrophoretic force
Insulated electrodes
Microalgae harvesting
TitleHarvesting of Chlorella sp. microalgae by dielectrophoretic force using titanium dioxide (TiO2) insulated electrodes
TypeArticle
Volume Number65
dc.accessType Abstract Only


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