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Optimization of biomass production from Stichococcous sp. biofilms coupled to wastewater treatment

Makaroglou Georgios, Marakas Charidimos, Fodelianakis Stilianos, Axaopoulou Vasiliki-Ariadni, Koumi Ino, Kalogerakis Nikos, Gikas Petros

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URIhttp://purl.tuc.gr/dl/dias/DF003C62-658B-4DE1-BC8C-00FA777BAB6B-
Identifierhttps://doi.org/10.1016/j.bej.2021.107964-
Identifierhttps://www.sciencedirect.com/science/article/pii/S1369703X21000401-
Languageen-
Extent7 pagesen
TitleOptimization of biomass production from Stichococcous sp. biofilms coupled to wastewater treatmenten
CreatorMakaroglou Georgiosen
CreatorΜακαρογλου Γεωργιοςel
CreatorMarakas Charidimosen
CreatorΜαρακας Χαριδημοςel
CreatorFodelianakis Stilianosen
CreatorAxaopoulou Vasiliki-Ariadnien
CreatorΑξαοπουλου Βασιλικη-Αριαδνηel
CreatorKoumi Inoen
CreatorΚουμη Ινωel
CreatorKalogerakis Nikosen
CreatorΚαλογερακης Νικοςel
CreatorGikas Petrosen
CreatorΓκικας Πετροςel
PublisherElsevieren
Content SummaryMicroalgae have been extensively used as animal feedstock and for the production of high-added value bioproducts, such as pigments and biodiesel. A promising strategy to simplify biomass recovery is by growing microalgae on flat biofilms, from where biomass may be easily harvested. Initially, the microalgae Stichococcus sp. was grown in photo-bioreactors, on seawater enriched with inorganic salts, on three different materials: ceramic tile, HD-polyethylene and sandblasted-glass, the latter of which exhibited the highest yield (up to 0.86 ± 0.02 mg cm−2 after 18 days cultivation period). Thereafter, the microalgae were grown on seawater enriched with winery-wastewater, applying nitrogen starvation during the last 2 days of cultivation, indicating biomass production of 1.00 ± 0.01 mg cm−2 (seawater plus organic carbon) to 1.30 ± 0.03 mg cm−2 (seawater plus organic carbon plus 2 days nitrogen starvation) to 1.43 ± 0.03 mg cm−2 (seawater plus inorganic carbon plus organic carbon plus 2 days nitrogen starvation). Trials on large scale photo-bioreactors confirmed the remediation potential of Stichococcus sp. for the treatment of winery-wastewater, while the organic carbon in wastewater boosted the yield of biomass production. Finally, the potential biomass yield of an industrial scale plant, treating winery-wastewater, was calculated to yield between 25−32 kg biomass (dry-basis) per 1000 m2 of shallow pond type reactor, per 18 days cultivation.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2023-01-18-
Date of Publication2021-
SubjectMicroalgaeen
SubjectImmobilized biomassen
SubjectStichococcous sp.en
SubjectPhoto-bioreactoren
SubjectBiofilmen
SubjectWinery wastewateren
Bibliographic CitationG. Makaroglou, H. Marakas, S. Fodelianakis, V. A. Axaopoulou, I. Koumi, N. Kalogerakis and P. Gikas, “Optimization of biomass production from Stichococcous sp. biofilms coupled to wastewater treatment,” Biochem. Eng. J., vol. 169, May 2021, doi: 10.1016/j.bej.2021.107964.en

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