Quantifying nitrous oxide production pathways in wastewater treatment systems using isotope technology – a critical review

Duan, Haoran, Ye, Liu, Erler, Dirk, Ni, Bing-Jie and Yuan, Zhiguo (2017) Quantifying nitrous oxide production pathways in wastewater treatment systems using isotope technology – a critical review. Water Research, 122 96-113. doi:10.1016/j.watres.2017.05.054

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Author Duan, Haoran
Ye, Liu
Erler, Dirk
Ni, Bing-Jie
Yuan, Zhiguo
Title Quantifying nitrous oxide production pathways in wastewater treatment systems using isotope technology – a critical review
Journal name Water Research   Check publisher's open access policy
ISSN 1879-2448
0043-1354
Publication date 2017-10-01
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1016/j.watres.2017.05.054
Open Access Status Not yet assessed
Volume 122
Start page 96
End page 113
Total pages 18
Place of publication London, United Kingdom
Publisher I W A Publishing
Language eng
Abstract Nitrous oxide (N2O) is an important greenhouse gas and an ozone-depleting substance which can be emitted from wastewater treatment systems (WWTS) causing significant environmental impacts. Understanding the N2O production pathways and their contribution to total emissions is the key to effective mitigation. Isotope technology is a promising method that has been applied to WWTS for quantifying the N2O production pathways. Within the scope of WWTS, this article reviews the current status of different isotope approaches, including both natural abundance and labelled isotope approaches, to N2O production pathways quantification. It identifies the limitations and potential problems with these approaches, as well as improvement opportunities. We conclude that, while the capabilities of isotope technology have been largely recognized, the quantification of N2O production pathways with isotope technology in WWTS require further improvement, particularly in relation to its accuracy and reliability.
Keyword Isotope
Nitrous oxide
Pathways
Quantification
Site preference
Wastewater treatment
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: School of Chemical Engineering Publications
HERDC Pre-Audit
Advanced Water Management Centre Publications
 
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