Biological Nitrogen Removal in a Photosequencing Batch Reactor with an Algal-Nitrifying Bacterial Consortium and Anammox Granules

Nathan D. Manser, Meng Wang, Sarina J. Ergas, James R. Mihelcic, Arnold Mulder, Jack Van De Vossenberg, Jules B. Van Lier, Peter Van Der Steen

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This study demonstrates the feasibility of combining microalgae, ammonia-oxidizing bacteria (AOB), and Anammox in a photosequencing batch reactor. Alternating light and dark periods were applied to achieve biological nitrogen removal without mechanical aeration or external electron donor addition. This process is termed ALGAMMOX (algal anaerobic ammonium oxidation) and differs from the SHARON-Anammox process in that oxygen is generated during light periods through microalgal photosynthesis, replacing mechanical aeration. Results from bench-scale ALGAMMOX experiments with high-ammonia strength wastewater (COD/TN from 1 to 3) showed that influent ammonia was converted to nitrite during light periods at a rate of 7.0 mg of NH4+-N L-1 h-1. Nitrite was subsequently reduced by an average of 82% during the dark (anoxic) periods due to Anammox activity. Further studies are needed to optimize the system to maximize nitrogen removal rates and to assess long-term process stability.

Original languageEnglish (US)
Pages (from-to)175-179
Number of pages5
JournalEnvironmental Science and Technology Letters
Volume3
Issue number4
DOIs
StatePublished - Apr 12 2016

Fingerprint

Nitrogen removal
Batch reactors
Ammonia
Nitrogen
ammonia
Nitrites
Ammonium Compounds
Light
aeration
nitrite
nitrogen
ammonium
Microalgae
oxidation
Oxidation
Photosynthesis
Feasibility Studies
Waste Water
Bacteria
photosynthesis

All Science Journal Classification (ASJC) codes

  • Ecology
  • Environmental Chemistry
  • Health, Toxicology and Mutagenesis
  • Pollution
  • Waste Management and Disposal
  • Water Science and Technology

Cite this

Manser, Nathan D. ; Wang, Meng ; Ergas, Sarina J. ; Mihelcic, James R. ; Mulder, Arnold ; Van De Vossenberg, Jack ; Van Lier, Jules B. ; Van Der Steen, Peter. / Biological Nitrogen Removal in a Photosequencing Batch Reactor with an Algal-Nitrifying Bacterial Consortium and Anammox Granules. In: Environmental Science and Technology Letters. 2016 ; Vol. 3, No. 4. pp. 175-179.
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Biological Nitrogen Removal in a Photosequencing Batch Reactor with an Algal-Nitrifying Bacterial Consortium and Anammox Granules. / Manser, Nathan D.; Wang, Meng; Ergas, Sarina J.; Mihelcic, James R.; Mulder, Arnold; Van De Vossenberg, Jack; Van Lier, Jules B.; Van Der Steen, Peter.

In: Environmental Science and Technology Letters, Vol. 3, No. 4, 12.04.2016, p. 175-179.

Research output: Contribution to journalArticle

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