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Influence of Walls in a Container on the Growth of the Chlorella vulgaris Algae
 
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Department of Chemistry, Biology and Biotechnology, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, ul. Wiejska 45 E, 15-351 Bialystok, Poland
 
 
Data publikacji: 01-11-2021
 
 
Autor do korespondencji
Paweł Kondzior   

Department of Chemistry, Biology and Biotechnology, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, ul. Wiejska 45 E, 15-351 Bialystok, Poland
 
 
J. Ecol. Eng. 2021; 22(10):98-108
 
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STRESZCZENIE
Most of the algae are eukaryotic organisms commonly found in the aquatic environment. They are characterized by a great variety of species and the possibility of growing in various conditions. They photosynthesize and mainly need light, water and carbon dioxide to grow. Algae can be used in various branches of the economy for the production of food, animal feed, bio-fertilizers, pigments, they can be used for sewage treatment or carbon dioxide sequestration. The aim of the work is to investigate the effect of the material from which the walls of containers are made on bioreactors for algae cultivation. Two wall materials were used in the research: shiny aluminium foil and matte black light-absorbing paper. The content of photosynthetic pigments in algae cells, optical density, temperature and pH were examined. The tests were performed in triplicate and the standard error was calculated with the 95% confidence interval. It was observed that the glossy aluminium foil wall significantly improved the growth of Chlorella vulgaris algae at the lowest light intensities by more than 4 times chlorophyll a compared to the sample placed in a container with walls of matt black paper. This means that the use of walls in shiny aluminium foil containers can reduce lighting costs and contribute to an increase in the produced biomass.
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