LIPID ACCUMULATION OF CHLORELLA VULGARIS UNDER DIFFERENT PHOSPHATE CONCENTRATIONS
 
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Uniwersytet Warmińsko-Mazurski w Olsztynie, Wydział Nauk o Środowisku, Katedra Inżynierii Środowiska, ul. Warszawska 117a, 10-719 Olsztyn
CORRESPONDING AUTHOR
Magdalena Karolina Rokicka   

Uniwersytet Warmińsko-Mazurski w Olsztynie, Wydział Nauk o Środowisku, Katedra Inżynierii Środowiska, ul. Warszawska 117a, 10-719 Olsztyn
Publish date: 2017-04-01
 
Inż. Ekolog. 2017; 2:123–129
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ABSTRACT
The cultivation and utilization of microalgae is now a intensively developing area of research. Some species of microalgae, under appropriate conditions, accumulate large amounts of lipids in the cells. This lipids have a suitable profile of fatty acids for biodiesel production. The culture of microalgae for lipids accumulation should be performed in certain physicochemical conditions. The aim of the study was to determine the effect of variable ortophophates concentrations in the culture medium for lipids accumulation of microalgae Chlorella vulgaris and to determine of parameters of the phosphoric shock in the medium. The study confirmed the possibility of the use of the phosphoric shock in the medium to maximize lipids accumulation by the microalgae Chlorella vulgaris. In the study, 45.23% of the oil was obtained from the biomass from the culture with phosphoric shock in the medium and 18% less of the oil was obtained from the biomass from the standard culture.