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Cultivation of Lemna Minor on Industry-Derived, Anaerobically Digested, Dairy Processing Wastewater.

Rachel O'MahoneyNeil E CoughlanÉamonn WalshMarcel A K Jansen
Published in: Plants (Basel, Switzerland) (2022)
The growth and nutrient uptake capacity of a common duckweed (Lemnaceae) species, Lemna minor "Blarney", on dairy processing wastewater pre-treated by an anaerobic digester (AD-DPW) was explored. L. minor was cultivated in small stationary vessels in a controlled indoor environment, as well as in a semi-outdoor 35 L recirculatory system. The use of AD-DPW as a cultivation medium for L. minor offers a novel approach to dairy wastewater treatment, evolving from the current resource-intensive clean-up of wastewaters to duckweed-based valorisation, simultaneously generating valuable plant biomass and remediating the wastewater.
Keyphrases
  • wastewater treatment
  • antibiotic resistance genes
  • air pollution
  • particulate matter
  • anaerobic digestion
  • mass spectrometry
  • liquid chromatography
  • sewage sludge
  • heavy metals