Temperature-Tolerated Mainstream Nitrogen Removal by Anammox and Nitrite/Nitrate-Dependent Anaerobic Methane Oxidation in a Membrane Biofilm Reactor

Temperature-Tolerated Mainstream Nitrogen Removal by Anammox and Nitrite/Nitrate-Dependent Anaerobic Methane Oxidation in a Membrane Biofilm Reactor

The mainstream anaerobic ammonium oxidation (anammox) process provides strong support to the on-going paradigm shift from energy-negative to energy-neutral in wastewater treatment plants. However, the low temperature (e.g., below 15 °C) represents one of the major challenges for mainstream anammox i...

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Veröffentlicht in:Environmental science & technology 2020-03, Vol.54 (5), p.3012-3021
Hauptverfasser: Liu, Tao, Khai Lim, Zhuan, Chen, Hui, Hu, Shihu, Yuan, Zhiguo, Guo, Jianhua
Format: Artikel
Sprache:eng
Schlagworte:
Ammonia-oxidizing bacteria
Ammonium
Ammonium Compounds
Anaerobic microorganisms
Anaerobic processes
Anaerobiosis
Archaea
Bacteria
Biofilms
Bioreactors
Coupling
Denitrification
Domestic wastewater
Gene sequencing
Hydraulic retention time
Low temperature
Mathematical models
Membranes
Methane
Microorganisms
Nitrites
Nitrogen
Nitrogen removal
Oxidation
Oxidation-Reduction
Reactors
Retention time
RNA, Ribosomal, 16S
rRNA 16S
Temperature
Thickness measurement
Wastewater treatment
Wastewater treatment plants
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Zusammenfassung:The mainstream anaerobic ammonium oxidation (anammox) process provides strong support to the on-going paradigm shift from energy-negative to energy-neutral in wastewater treatment plants. However, the low temperature (e.g., below 15 °C) represents one of the major challenges for mainstream anammox in practice. In this study, a stable nitrogen removal rate (0.13 kg m–3 day–1), together with a high-level effluent quality (
ISSN:0013-936X
1520-5851
DOI:10.1021/acs.est.9b05650