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Harvesting of Microalgae by Flocculation.
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SYSNO ASEP 0496941 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Harvesting of Microalgae by Flocculation. Author(s) Brányiková, Irena (UCHP-M) RID, ORCID, SAI
Procházková, D. (CZ)
Potocar, T. (CZ)
Ježková, Z. (CZ)
Brányik, T. (CZ)Article number 93 Source Title Fermentation. - : MDPI
Roč. 4, č. 4 (2018)Number of pages 12 s. Language eng - English Country CH - Switzerland Keywords microalgae ; harvesting algal biomass ; flocculation Subject RIV CI - Industrial Chemistry, Chemical Engineering OECD category Chemical process engineering R&D Projects GA18-05007S GA ČR - Czech Science Foundation (CSF) Institutional support UCHP-M - RVO:67985858 DOI 10.3390/fermentation4040093 Annotation Due to increasing demands for microalgal biomass and products originating from microalgae, large-scale production systems are necessary. However, current microalgal production technologies are not cost-effective and are hindered by various bottlenecks, one of which is the harvesting of microalgal biomass. Cell separation is difficult because of the low sedimentation velocity of microalgae, their colloidal character with repelling negative surface charges, and low biomass concentrations in culture broths, therefore, large volumes need to be processed in order to concentrate the cells. Flocculation is considered to be one of the most suitable methods for harvesting microalgal biomass. This article provides an overview of flocculation methods suitable for microalgal harvesting, their mechanisms, advantages and drawbacks. Special attention is paid to the role of surface charge in the mechanism of flocculation. The novelty of the review lies in the interconnection between the context of technological applications and physico-chemical surface phenomena. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2019
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