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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-25622
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dc.contributor.authorStadtlander, Timo-
dc.contributor.authorBandy, Jaclyn-
dc.contributor.authorRosskothen, Dennis-
dc.contributor.authorPietsch-Schmied, Constanze-
dc.contributor.authorTschudi, Fridolin-
dc.contributor.authorSigrist, Mathias-
dc.contributor.authorSeitz, Andreas-
dc.contributor.authorLeiber, Florian-
dc.date.accessioned2022-09-12T08:50:48Z-
dc.date.available2022-09-12T08:50:48Z-
dc.date.issued2022-
dc.identifier.issn0959-6526de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/25622-
dc.description.abstractDuckweed is a potential collector of nitrogen from animal liquid manure and a source of protein suitable as feed for livestock and fish. Therefore, it provides opportunities for circular economy systems. Two duckweed species, Spirodela polyrhiza and Landoltia punctata, were grown in five recirculating systems each connected to a reservoir tank filled with water and graded organic cattle slurry concentrations. Fresh and dry biomass, protein production and amino acid profiles among the nitrogen removal were evaluated. Spirodela polyrhiza showed a significantly higher fresh biomass production but L. punctata dry matter content was generally higher resulting in similar dry biomass production for both species This study shows clearly that the crude protein content, ranging between 29.3 and 37.9% of dry matter, was positively correlated to slurry and total ammonia nitrogen (TAN) concentration of the substrate, independent of the duckweed species. Total crude protein yield was in the range of 1.37–1.95 g m−2 d−1, following a quadratic function regarding slurry and TAN concentrations, with marginal differences between species. Biomass and crude protein yields were optimal for both duckweed species at a TAN concentration of 19 mg l−1, which corresponded to a slurry dilution of 1:8. The results of this study provide important information for operation of recirculating duckweed production systems on slurry and operators should aim to keep TAN concentrations in that range for optimization of protein production in conjunction with TAN removal.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofJournal of Cleaner Productionde_CH
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0/de_CH
dc.subjectDuckweedde_CH
dc.subjectCow slurryde_CH
dc.subjectTotal ammonia nitrogende_CH
dc.subjectBiomass and protein productionde_CH
dc.subject.ddc639.8: Aquakulturde_CH
dc.titleDilution rates of cattle slurry affect ammonia uptake and protein production of duckweed grown in recirculating systemsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.1016/j.jclepro.2022.131916de_CH
dc.identifier.doi10.21256/zhaw-25622-
zhaw.funding.euNode_CH
zhaw.issue131916de_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume357de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedAquakultur-Systemede_CH
zhaw.funding.zhawNachhaltig produzierte Wasserlinsen als mögliche neue Proteinquelle für die Aquakulturde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Stadtlander, T., Bandy, J., Rosskothen, D., Pietsch-Schmied, C., Tschudi, F., Sigrist, M., Seitz, A., & Leiber, F. (2022). Dilution rates of cattle slurry affect ammonia uptake and protein production of duckweed grown in recirculating systems. Journal of Cleaner Production, 357(131916). https://doi.org/10.1016/j.jclepro.2022.131916
Stadtlander, T. et al. (2022) ‘Dilution rates of cattle slurry affect ammonia uptake and protein production of duckweed grown in recirculating systems’, Journal of Cleaner Production, 357(131916). Available at: https://doi.org/10.1016/j.jclepro.2022.131916.
T. Stadtlander et al., “Dilution rates of cattle slurry affect ammonia uptake and protein production of duckweed grown in recirculating systems,” Journal of Cleaner Production, vol. 357, no. 131916, 2022, doi: 10.1016/j.jclepro.2022.131916.
STADTLANDER, Timo, Jaclyn BANDY, Dennis ROSSKOTHEN, Constanze PIETSCH-SCHMIED, Fridolin TSCHUDI, Mathias SIGRIST, Andreas SEITZ und Florian LEIBER, 2022. Dilution rates of cattle slurry affect ammonia uptake and protein production of duckweed grown in recirculating systems. Journal of Cleaner Production. 2022. Bd. 357, Nr. 131916. DOI 10.1016/j.jclepro.2022.131916
Stadtlander, Timo, Jaclyn Bandy, Dennis Rosskothen, Constanze Pietsch-Schmied, Fridolin Tschudi, Mathias Sigrist, Andreas Seitz, and Florian Leiber. 2022. “Dilution Rates of Cattle Slurry Affect Ammonia Uptake and Protein Production of Duckweed Grown in Recirculating Systems.” Journal of Cleaner Production 357 (131916). https://doi.org/10.1016/j.jclepro.2022.131916.
Stadtlander, Timo, et al. “Dilution Rates of Cattle Slurry Affect Ammonia Uptake and Protein Production of Duckweed Grown in Recirculating Systems.” Journal of Cleaner Production, vol. 357, no. 131916, 2022, https://doi.org/10.1016/j.jclepro.2022.131916.


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