National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Influence of deposits on algae growth in a tubular photobioreactor
Vajaýová, Veronika ; Lošák, Pavel (referee) ; Naď, Martin (advisor)
The content of the theoretical part of this bachelor thesis is a description of the tubular pho-tobioreactors, comparison of the individual types of the cultivation devices, the fundamental parameters influencing the efficiency of biomass production, and problems of formation of deposits on the inner surface of the photobioreactor. The attention is focused on the effect of sediment formation on the growth of microalgae in the tubular photobioreactor. Since the sediments affect the resulting light intensity in the suspension in the tubes, this phenomenon is reflected in the overall cultivation efficiency and the biomass yield. The practical part presents the course of measurements performed in the vertical tubular photobioreactor designed for flue gas cleaning using the microalgae Chlorella pyrenoidos Chick (IPPAS C2). The aim was to solve the problem of foaming, which subsequently caused deposits in the system's tubes or other parts. To this end, two measures were tested: • the mechanical one in the form of a wire mesh, • the chemical one using sunflower oil. The measured values were the basis for determining the effect of deposits on light intensity and also served to evaluate the functionality of the tested measures.
Influence of deposits on algae growth in a tubular photobioreactor
Vajaýová, Veronika ; Lošák, Pavel (referee) ; Naď, Martin (advisor)
The content of the theoretical part of this bachelor thesis is a description of the tubular pho-tobioreactors, comparison of the individual types of the cultivation devices, the fundamental parameters influencing the efficiency of biomass production, and problems of formation of deposits on the inner surface of the photobioreactor. The attention is focused on the effect of sediment formation on the growth of microalgae in the tubular photobioreactor. Since the sediments affect the resulting light intensity in the suspension in the tubes, this phenomenon is reflected in the overall cultivation efficiency and the biomass yield. The practical part presents the course of measurements performed in the vertical tubular photobioreactor designed for flue gas cleaning using the microalgae Chlorella pyrenoidos Chick (IPPAS C2). The aim was to solve the problem of foaming, which subsequently caused deposits in the system's tubes or other parts. To this end, two measures were tested: • the mechanical one in the form of a wire mesh, • the chemical one using sunflower oil. The measured values were the basis for determining the effect of deposits on light intensity and also served to evaluate the functionality of the tested measures.

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