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Prospects for biological nitrogen removal from anaerobic effluents during mainstream wastewater treatment

Publication ,  Journal Article
Delgado Vela, J; Stadler, LB; Martin, KJ; Raskin, L; Bott, CB; Love, NG
Published in: Environmental Science and Technology Letters
September 8, 2015

Growing interest in the anaerobic treatment of domestic wastewater requires a parallel focus on developing downstream technologies that address nitrogen pollution, especially for treatment systems located in eutrophication-impacted watersheds. Anaerobic effluents contain sulfide and hydrogen sulfide (a corrosive gas), dissolved methane (a potent greenhouse gas), ammonium, and residual organic carbon predominantly in the form of volatile fatty acids. Conventional approaches to nitrogen removal are energy- and chemical-intensive and are not appropriate for application to anaerobic effluents. Innovative, energy efficient nitrogen removal processes are being developed and involve several novel chemotrophic processes. This review provides information about these processes, identifies how to control and retain the most desirable microorganisms, and considers the impact of reactor configuration on performance. Given the complexity of the technologies under development that remove nitrogen from anaerobically treated domestic wastewater, we conclude that computational models can support their development and that sensor-mediated controls are essential to achieving energy efficiency.

Duke Scholars

Published In

Environmental Science and Technology Letters

DOI

EISSN

2328-8930

Publication Date

September 8, 2015

Volume

2

Issue

9

Start / End Page

234 / 244

Related Subject Headings

  • 4105 Pollution and contamination
  • 4004 Chemical engineering
  • 1002 Environmental Biotechnology
  • 0907 Environmental Engineering
  • 0502 Environmental Science and Management
 

Citation

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Delgado Vela, J., Stadler, L. B., Martin, K. J., Raskin, L., Bott, C. B., & Love, N. G. (2015). Prospects for biological nitrogen removal from anaerobic effluents during mainstream wastewater treatment. Environmental Science and Technology Letters, 2(9), 234–244. https://doi.org/10.1021/acs.estlett.5b00191
Journal cover image

Published In

Environmental Science and Technology Letters

DOI

EISSN

2328-8930

Publication Date

September 8, 2015

Volume

2

Issue

9

Start / End Page

234 / 244

Related Subject Headings

  • 4105 Pollution and contamination
  • 4004 Chemical engineering
  • 1002 Environmental Biotechnology
  • 0907 Environmental Engineering
  • 0502 Environmental Science and Management