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Algal Biorefineries: Products and Refinery Design
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SYSNO ASEP 0456748 Document Type M - Monograph Chapter R&D Document Type Monograph Chapter Title Thin-Layer Systems for Mass Cultivation of Microalgae: Flat Panels and Sloping Cascades Author(s) Masojídek, Jiří (MBU-M) RID, ORCID
Sergejevova, Magda (MBU-M)
Malapascua, José R.F. (MBU-M)
Kopecký, Jiří (MBU-M) ORCIDSource Title Algal Biorefineries: Products and Refinery Design. - Švýcarsko : Springer International Publishing, 2015 / Prokop A. ; Bajpai R.K. ; Zappi M.E. - ISBN 978-3-319-20199-3 Pages s. 237-261 Number of pages 25 s. Number of copy 1500 Number of pages 557 Publication form Print - P Language eng - English Country CH - Switzerland Keywords Biomass ; Cascades ; Chlorella Subject RIV EE - Microbiology, Virology R&D Projects ED2.1.00/03.0110 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EE2.3.30.0059 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support MBU-M - RVO:61388971 DOI 10.1007/978-3-319-20200-6_7 Annotation Two basic approaches to microalgae biomass production are used: one applies to cultivation in closed or semi-closed vessels – photobioreactors, while the other involves open reservoirs with direct contact of the microalgal culture with the environment. The most crucial variable for phototrophic growth is light availability. The amount of photon energy received by each cell is a combination of several factors: irradiance intensity, cell density, length of optical path (thickness of culture layer), rate of mixing as well as cultivation unit design. In practice, this should form a part of the considerations when designing cultivation systems. The highest growth rate and productivity have been achieved in cultivation systems with microalgae layer thickness lower than 50 mm. The advantage of these thin-layer systems is that high biomass density is reached, which is advantageous for harvesting and processing. Basically, two thin-layer cultivation systems are being used that guarantee high areal or volumetric productivity due to high surface-to-volume ratio: vertical or inclined flat panels, and near-horizontal sloping cascades or raceways. The first type, flat-panel photobioreactors represent closed or semi-closed systems. Workplace Institute of Microbiology Contact Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231 Year of Publishing 2016
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