Growth characteristic of Nannochloropsis sp (Eustigmatophyta) in tubular photobioreactor in winter period

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dc.contributor.authorGokpinar, Sevket
dc.contributor.authorGoksan, Tolga
dc.contributor.authorCirik, Semra
dc.contributor.authorOzbas, Bircan
dc.date.accessioned2025-01-27T20:27:15Z
dc.date.available2025-01-27T20:27:15Z
dc.date.issued2007
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn our country, microalgae cultures in the marine fish larvae hatcheries are carried out in transparent polyethylene bags due to the low investment costs. However, such methods, which are considered unproductive with respect to phototrophic production, result in high production costs due to the requirements of large area and high manpower. In this respect, tubular and panel photobioreactors are the productive systems having higher illumination surface and running at higher photosynthesis rate. In the experiments, BioFence tubular photobioreactor, a commercial microalgae culture system in 600 liter volume and 3 cm outer diameter, was used. The growth of Nannochloropsis sp., grown in the tubular photobioreactor outdoors in both batch and continuous culture modes during 47 days, was observed in the study. Accordingly, the cultures that were begun with a cell density of 16 x 10(6) cells ml(-1), were carried out 22 days in batch mode, and reached to 320 x 10(6) cells ml(-1) at end of the trial. The culture was shifted to the continuous mode when the cell precipitation was observed on the bottom of the tubes due to the high cell density. The continuous mode, which was initiated just after the batch mode, was carried out 25 days. Although the system had a short illumination cycle, e.g., 7 hours a day, due to the location the system set up and the season, the system produced 81 L culture per day at an average cell concentration of 208 cells ml(-1) during the experiment. As a result, it was shown that a tubular photobioreactor outdoors ran more efficient than the bag cultures.
dc.identifier.endpage237
dc.identifier.issn1300-1590
dc.identifier.issn2148-3140
dc.identifier.issue3-4
dc.identifier.startpage233
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22634
dc.identifier.volume24
dc.identifier.wosWOS:000440329500003
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.language.isotr
dc.publisherEge Univ, Fac Fisheries
dc.relation.ispartofSu Urunleri Dergisi
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectNannochloropsis sp.
dc.subjectBiofence
dc.subjecttubular photobioreactor
dc.subjectgrowth
dc.subjectwinter period
dc.titleGrowth characteristic of Nannochloropsis sp (Eustigmatophyta) in tubular photobioreactor in winter period
dc.typeArticle

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