Anaerobic oxidation of methane coupled to denitrification: fundamentals, challenges, and potential

Hyung Sool Lee, Youneng Tang, Bruce E. Rittmann, He Ping Zhao

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Anaerobic treatment of dilute wastewater (e.g., municipal sewage) is promising due to energy recovery and lessened operating costs, both of which can significantly improve the sustainability of wastewater management over traditional activated sludge treatment. Discharge of dissolved methane and the lack of nitrogen removal are challenges for widespread adoption of anaerobic wastewater treatment. Anaerobic oxidation of methane coupled to denitrification (AOM-D) can overcome both challenges in a complementary way, thus preserving the benefits of anaerobic treatment of dilute wastewater. This review first presents the principles of AOM-D, focusing on pathways and thermodynamics. Second, energy and economic benefits are assessed for anaerobic treatment of dilute wastewater. Third, the review addresses the technical challenges inherent to implementing AOM-D in suspended-growth systems and outlines the advantages of membrane biofilm reactors (MBfRs) for AOM-D applications. Finally, the review develops a model of AOM-D in an MBfR and uses the model to show the conditions that achieve fast denitrification kinetics simultaneously with a very low concentration of dissolved methane.

Original languageEnglish (US)
JournalCritical Reviews in Environmental Science and Technology
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Denitrification
denitrification
Methane
Wastewater
methane
wastewater
oxidation
Oxidation
Biofilms
biofilm
membrane
Membranes
Nitrogen removal
Sewage
Operating costs
Wastewater treatment
activated sludge
Sustainable development
sewage
thermodynamics

Keywords

  • Anaerobic oxidation of methane coupled to denitrification
  • dissolved methane
  • membrane biofilm reactors

ASJC Scopus subject areas

  • Environmental Engineering
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution

Cite this

Anaerobic oxidation of methane coupled to denitrification : fundamentals, challenges, and potential. / Lee, Hyung Sool; Tang, Youneng; Rittmann, Bruce E.; Zhao, He Ping.

In: Critical Reviews in Environmental Science and Technology, 01.01.2018.

Research output: Contribution to journalArticle

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