Evaluation of particle recovery from microalgae

  • Coccoliths are micro-structured biomineral particles found in cell protective covering layers of coccolithophore species. They are mainly composed of CaCO3 and their individual crystal entities are arranged in such a way that they construct complex and unique structures. This complexity is found down to the individual particle level and appears to have promising properties to offer. This study focuses on the essential step prior to any kind of implementation, which is the recovery of the material. It summarizes cleaning protocols found in literature, compares them for the first time for the same freshly cultivated material and addresses challenges that still need to be overcome. Further, it highlight the advantages and disadvantages of the best cleaning protocols, suggests optimizations with promising results and uses size distribution measurements to analyse the recovery efficiency. To that end, further characterization techniques, new for coccoliths, are introduced and used to improve our current knowledge of the particlesCoccoliths are micro-structured biomineral particles found in cell protective covering layers of coccolithophore species. They are mainly composed of CaCO3 and their individual crystal entities are arranged in such a way that they construct complex and unique structures. This complexity is found down to the individual particle level and appears to have promising properties to offer. This study focuses on the essential step prior to any kind of implementation, which is the recovery of the material. It summarizes cleaning protocols found in literature, compares them for the first time for the same freshly cultivated material and addresses challenges that still need to be overcome. Further, it highlight the advantages and disadvantages of the best cleaning protocols, suggests optimizations with promising results and uses size distribution measurements to analyse the recovery efficiency. To that end, further characterization techniques, new for coccoliths, are introduced and used to improve our current knowledge of the particles behaviour.show moreshow less

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Author:Makrina A. ChairopoulouORCiD, Nikolaos KokkinosORCiD, Pablo Garcia-TriñanesORCiD, Athanassios C. Mitropoulos, Ulrich Teipel
DOI:https://doi.org/10.1016/j.apt.2021.06.013
ISSN:0921-8831
Parent Title (English):Advanced Powder Technology
Publisher:Elsevier BV
Document Type:Article
Language:English
Date of first Publication:2021/07/31
Reviewed:Begutachtet/Reviewed
Release Date:2024/08/07
Tag:Coccoliths Particle recovery Microalgae Emiliania huxleyi Biomaterials
Volume:32
Issue:8
Pagenumber:11
First Page:3023
Last Page:3033
institutes:Fakultät Verfahrenstechnik
Research Themes:Materialien & Produktionstechnik
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