Abstract

Innovative and cost-effective technologies for advanced nutrient removal from surface water are urgently needed for improving water quality. Conventional biotechnologies, such as ecological floating beds, or constructed wetlands, are not effective in removing nutrients present at low-concentration. However, microalgae-bacteria consortium is promising for advanced nutrient removal from wastewater. Suspended algal-bacterial systems can easily wash out unless the hydraulic retention time is long, attached microalgae-bacteria consortium is more realistic. This critical review summarizes the fundamentals and status of attached microalgae-bacteria consortium for advanced nutrient removal from surface water. Key advantages are the various nutrient removal pathways, reduction of nutrients to very low concentration, and diversified photobioreactor configurations. Challenges include poor identification of functional species, poor control of the community composition, and long start-up times. Future research should focus on the selection and engineering of robust microbial species, mathematical modelling of the composition and functionality of the consortium, and novel photobioreactor configurations.

Original languageEnglish (US)
JournalBioresource Technology
DOIs
StateAccepted/In press - 2017

Fingerprint

Surface waters
Nutrients
Bacteria
surface water
bacterium
Photobioreactors
nutrient
biotechnology
constructed wetland
community composition
Wetlands
Biotechnology
hydraulics
Chemical analysis
water quality
wastewater
engineering
Water quality
nutrient removal
Wastewater

Keywords

  • Advanced nutrient removal
  • Attached microalgae-bacteria symbiosis
  • Biofilm photobioreactor
  • Surface water

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Advanced nutrient removal from surface water by a consortium of attached microalgae and bacteria : A review. / Liu, Junzhuo; Wu, Yonghong; Wu, Chenxi; Muylaert, Koenraad; Vyverman, Wim; Yu, Han Qing; Muñoz, Raúl; Rittmann, Bruce.

In: Bioresource Technology, 2017.

Research output: Contribution to journalArticle

Liu, Junzhuo ; Wu, Yonghong ; Wu, Chenxi ; Muylaert, Koenraad ; Vyverman, Wim ; Yu, Han Qing ; Muñoz, Raúl ; Rittmann, Bruce. / Advanced nutrient removal from surface water by a consortium of attached microalgae and bacteria : A review. In: Bioresource Technology. 2017.
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