Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Increasing Phosphorus Uptake Efficiency by Phosphorus-Starved Microalgae for Municipal Wastewater Post-Treatment
Water Research and Environmental Biotechnology Laboratory, Faculty of Civil Engineering, Riga Technical University, P. Valdena 1, LV-1048 Riga, Latvia; Institute for Environmental Solutions, “Lidlauks”, Priekuļi Parish, LV-4126 Priekuļi County, Latvia.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering.
Water Research and Environmental Biotechnology Laboratory, Faculty of Civil Engineering, Riga Technical University, P. Valdena 1, LV-1048 Riga, Latvia.
Water Research and Environmental Biotechnology Laboratory, Faculty of Civil Engineering, Riga Technical University, P. Valdena 1, LV-1048 Riga, Latvia.
Show others and affiliations
2021 (English)In: Microorganisms, E-ISSN 2076-2607, Vol. 9, no 8, article id 1598Article in journal (Refereed) Published
Abstract [en]

Four microalgal species, Chlorella vulgaris, Botryococcus braunii, Ankistrodesmus falcatus, and Tetradesmus obliquus were studied for enhanced phosphorus removal from municipal wastewater after their exposure to phosphorus starvation. Microalgae were exposed to phosphorus starvation conditions for three and five days and then used in a batch experiment to purify an effluent from a small WWTP. After 3-day P-starvation, C. vulgaris biomass growth rate increased by 50% and its PO4 removal rate reached > 99% within 7 days. B. braunii maintained good biomass growth rate and nutrient removal regardless of the P-starvation. All species showed 2-5 times higher alkaline phosphatase activity increase for P-starved biomass than at the reference conditions, responding to the decline of PO4 concentration in wastewater and biomass poly-P content. The overall efficiency of biomass P-starvation on enhanced phosphorus uptake was found to be dependent on the species, N/P molar ratio in the wastewater, as well as the biomass P content.

Place, publisher, year, edition, pages
MDPI, 2021. Vol. 9, no 8, article id 1598
Keywords [en]
microalgae, phosphorus starvation, municipal wastewater, nutrient removal, polyphosphate, alkaline phosphatase activity
National Category
Water Treatment
Identifiers
URN: urn:nbn:se:ltu:diva-86942DOI: 10.3390/microorganisms9081598ISI: 000689466700001PubMedID: 34442678Scopus ID: 2-s2.0-85111109778OAI: oai:DiVA.org:ltu-86942DiVA, id: diva2:1589694
Note

Godkänd;2021;Nivå 0;2021-08-31 (alebob);

Forskningsfinansiär: Latvian Council of Science (LZP-2019/1-0271)

Available from: 2021-08-31 Created: 2021-08-31 Last updated: 2021-09-09Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textPubMedScopus

Search in DiVA

By author/editor
Murby, Fredrika
By organisation
Department of Civil, Environmental and Natural Resources Engineering
In the same journal
Microorganisms
Water Treatment

Search outside of DiVA

GoogleGoogle Scholar

doi
pubmed
urn-nbn

Altmetric score

doi
pubmed
urn-nbn
Total: 19 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf