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Adriatic cyanobacteria potential for cogeneration biofuel production with oil refinery wastewater remediation

Haberle, Ines; Hrustić, Enis; Petrić, Ines; Pritišanac, Ena; Šilović, Tina; Magić, Lana; Geček, Sunčana; Budiša, Andrea; Blažina, Maria (2020) Adriatic cyanobacteria potential for cogeneration biofuel production with oil refinery wastewater remediation. Algal research, 50 . ISSN 2211-9264

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Among cyanobacteria isolated from Northern Adriatic five strains were able to grow on oil refinery wastewater. Based on the sequencing of the internal transcribed spacer (ITS region) and morphological features strains were identided as Synechococcus sp. MK568070, Phormidium lucidum MK568072, Neolyngbia sp. MK568073, Pseudanabaena sp. MK568071 and Spirulina subsalsa MK573248. Selected marine cyanobacteria were tested over a range of ammonium (NH4+) concentrations simulating oil refinery efluent conditions. Three strains demonstrated high growth potential in a range 0.8–2.0 mM NH4+. Maximum biomass concentrations in stationary phase were in a range 176–590 mg/l, whereas total lipid yields were in a range 7.63–21.40% of dry weight. Although all species satisfy the criteria for biodiesel production the average degree of unsaturation was lowest in Synechococcus sp. MK568070 and Neolyngbia sp. MK568073. High proportion of polyunsaturated alpha-linolenic acid found in Spirulina subsalsa MK573248 opens up considerations for nutritional, aquaculture or other biotechnology applications of that species.

Item Type: Article
Uncontrolled Keywords: cyanobacteria ; fatty acids ; biodiesel properties ; wastewater phycoremediation
Subjects: NATURAL SCIENCES > Biology
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Marine Science
Divisions: Center for Marine Research
Division for Marine and Enviromental Research
Project titleProject leaderProject codeProject type
Procjena potencijala jadranskih algi za ko-generacijsku proizvodnju biogoriva 3. generacijeBlažina, MariaPKP-2016-06-9081HRZZ
Depositing User: Maria Blažina
Date Deposited: 12 Nov 2021 13:48
DOI: 10.1016/j.algal.2020.101978

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