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A photobioreactor for production of algae biomass from gaseous emissions of an animal house

Glockow, Till; Velaz Martín, Marta ORCID iD icon 1; Meisch, Laura 1; Kapieske, Denis; Meissner, Kai; Correa Cassal, Maximiano 1; Kaster, Anne-Kristin 1; Rabe, Kersten S. ORCID iD icon 1; Niemeyer, Christof M. ORCID iD icon 1
1 Institut für Biologische Grenzflächen (IBG), Karlsruher Institut für Technologie (KIT)

Abstract:

Sustainable approaches to circular economy in animal agriculture are still poorly developed. Here, we report an approach to reduce gaseous emissions of CO$_2$ and NH$_3$ from animal housing while simultaneously using them to produce value-added biomass. To this end, a cone-shaped, helical photobioreactor was developed that can be integrated into animal housing by being freely suspended, thereby combining a small footprint with a physically robust design. The photobioreactor was coupled with the exhaust air of a chicken house to allow continuous cultivation of a mixed culture of Arthrospira spec. (Spirulina). Continuous quantification of CO$_2$ and NH$_3$ concentration showed that the coupled algae reactor effectively purifies the exhaust air from the chicken house while producing algal biomass. Typical production rates of greater than 0.3 g/l*day dry mass were obtained, and continuous operation was possible for several weeks. Morphological, biochemical, and genomic characterization of Spirulina cultures yielded insights into the dynamics and metabolic processes of the microbial community. We anticipate that further optimization of this approach will provide new opportunities for the generation of value-added products from gaseous CO$_2$ and NH$_3$ waste emissions, linking resource-efficient production of microalgae with simultaneous sequestration of animal emissions.


Verlagsausgabe §
DOI: 10.5445/IR/1000163737
Veröffentlicht am 02.11.2023
Originalveröffentlichung
DOI: 10.1007/s00253-023-12815-7
Scopus
Zitationen: 4
Web of Science
Zitationen: 1
Dimensions
Zitationen: 4
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Biologische Grenzflächen (IBG)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2023
Sprache Englisch
Identifikator ISSN: 0175-7598, 1432-0614
KITopen-ID: 1000163737
HGF-Programm 43.33.11 (POF IV, LK 01) Adaptive and Bioinstructive Materials Systems
Erschienen in Applied Microbiology and Biotechnology
Verlag Springer
Band 107
Seiten 7673–7684
Vorab online veröffentlicht am 10.10.2023
Schlagwörter Animal agriculture, Ammonium sequestration, Photobioreactor, Spirulina
Nachgewiesen in Scopus
Dimensions
Web of Science
Globale Ziele für nachhaltige Entwicklung Ziel 2 – Kein HungerZiel 12 – Nachhaltiger Konsum und ProduktionZiel 13 – Maßnahmen zum Klimaschutz
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