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Wastewater Treatment and Recycling with Microalgae in Cold Climate
Mid Sweden University, Faculty of Science, Technology and Media, Department of Ecotechnology and Sustainable Building Engineering. (Ecotechnology)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Ecotechnology and Sustainable Building Engineering. (Ecotechnology)
2014 (English)In: Proceedings of the 20th International Sustainable Development Research Conference Trondheim 18-20 June 2014: Resilience – the new research frontier, Tronheim: Norwegian University of Science and Technology, Department of Product Design , 2014, 317-324 p.Conference paper (Refereed)
Abstract [en]

Resilient societies need technology with high recycling possibilities, as well as possibilities to treat wastewater with local ecosystem services as dominating driving forces.Modern wastewater treatment often suffers from the problem of being a linear system, rather than a recycling system. From a recycling point of view the nutrients in the wastewater is of highest interest.The use of microalgae has been proposed as collection systems for the nutrients, with several potential advantages: 1) they treat the wastewater further from a pathogenic point of view, 2) they produce a sludge of interesting biochemical quality depending on the species present in the treatment ponds, 3) they use the naturally occurring ecosystem services available at the wastewater treatment site in the form of sunlight, wind, and regional biodiversity of phytoplankton.The academic focus regarding microalgae use for wastewater treatment has to a large extent been on the “sunbelt”, between latitudes 35 North and South, respectively. However, a few investigations have been performed on northern and southern latitudes. This paper summarizes experiences from using microalgae for waste water treatment at northern latitudes in Sweden and present suggestions for further research.

Place, publisher, year, edition, pages
Tronheim: Norwegian University of Science and Technology, Department of Product Design , 2014. 317-324 p.
Keyword [en]
subarctic climates, phytoplankton, HRAP, ecological engineering, fellingsdams
National Category
Environmental Engineering Environmental Sciences
Identifiers
URN: urn:nbn:se:miun:diva-22364ISBN: 978-82-91917-34-4 (print)OAI: oai:DiVA.org:miun-22364DiVA: diva2:731078
Conference
20th International Sustainable Development Research Conference, Trondheim, 18-20 June, 2014
Available from: 2014-06-30 Created: 2014-06-30 Last updated: 2014-07-01Bibliographically approved

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fulltext(735 kB)406 downloads
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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
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  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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