Efficient Nitrification and Low-Level N 2 O Emission in a Weakly Acidic Bioreactor at Low Dissolved-Oxygen Levels Are Due to Comammox-Reference-Cited by-同舟云学术

Efficient Nitrification and Low-Level N 2 O Emission in a Weakly Acidic Bioreactor at Low Dissolved-Oxygen Levels Are Due to Comammox

Published:2021-05-11 Issue:11 Volume:87 Page:
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Li Deyong¹²,Fang Fang³,Liu Guoqiang¹²^ORCID

Affiliation:

1. School of the Environment, Guangdong Engineering Research Center of Water Treatment Processes and Materials, Jinan University, Guangzhou, China

2. School of the Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, China

3. College of the Environment and Ecology, Chongqing University, Chongqing, China

Abstract

Nitrification in wastewater treatment is an important process for eutrophication control and an emission source for the greenhouse gas N 2 O. The nitrifying process is usually operated at a slightly alkaline pH and high DO (>2 mg/liter) to ensure efficient nitrification.

Funder

Guangdong Science and Technology Department

National Natural Science Foundation of China

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/AEM.00154-21

Reference81 articles.

1. Ammonia-oxidizing microbial communities in reactors with efficient nitrification at low-dissolved oxygen

2. Alkalinity and pH effects on nitrification in a membrane aerated bioreactor: An experimental and model analysis