Cited by 57Algal biology and biofuel productionLandfill Environmental Impact StudiesWastewater Treatment and Nitrogen Removal

Biotreatment of landfill leachate by microalgae-bacteria consortium in sequencing batch mode and product utilization

Tighiri, Harrison Onome, Erkurt, Emrah Ahmet·2019·Bioresource Technology

Abstract

Biotreatment of leachate by microalgae-bacteria in a sequencing batch mode using a photobioreactor was investigated. The microalgae-bacteria biomass initial concentration was maintained at 3:1 ratio. The increase in the initial concentration of the biomass in the 2 nd batch favoured biomass growth, doubling biomass productivity, compared to the 1 st batch. In both batches, N-NH 4 was completely removed from the leachate. In the 2 nd batch, the nitrate, COD and phenol removal efficiencies were above 90%. The relative toxicity reduced from 57.32 to 1.12% at the end of 2 nd batch. The fatty acids content (C16-18) varied from 85.47 to 87.65% for the 1 st batch and 86.72 to 87.69% for the 2nd batch. The crude glycerol content varied from 34.54 to 42.36% for the 1 st batch and 33.64 to 39.55% for the 2 nd batch. The coexistence of microalgae and bacteria played an important role in leachate treatment and biomass production for biorefinery purposes.

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Crossref · 10.1016/j.biortech.2019.121396

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Authors
Tighiri, H. O., & Erkurt, E. A.
Affiliations
Cyprus International University (CY)
Corresponding author
Erkurt, Emrah Ahmet
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2019-08
Volume
286
Pages
121396
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2942569958
Cited by
57
References
51
Citations by year
2026: 4 · 2025: 12 · 2024: 2 · 2023: 9 · 2022: 14 · 2021: 10 · 2020: 6
FWCI
1.59
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
University of Cyprus
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Landfill Environmental Impact Studies
  • Physical Sciences › Environmental Science › Pollution › Wastewater Treatment and Nitrogen Removal
Keywords
landfill leachate, microalgae-bacteria consortia, sequencing batch reactor, photobioreactors, nitrogen removal, COD removal, phenol removal, toxicity reduction, fatty acid composition, crude glycerol, biorefinery, microalgae productivity
MeSH terms
Bacteria, Water Pollutants, Chemical, Biomass, Microalgae, Photobioreactors

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