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- Title
Effect of climate change in WWTPs with a focus on MBR infrastructure.
- Authors
Tolkou, A.K.; Zouboulis, A.I.
- Abstract
Climate change is expected to be one of the main challenges for urban wastewater systems in the next decades, and it is estimated that it will have a dual effect on wastewater treatment plants (WWTPs). The processes occurring in a WWTP are affected by climate change; more extreme weather events and earlier snowmelt runoff will lead to more untreated sewer overflows, increased flooding, etc. On the other hand, wastewater treatment contribute to climate change itself, as during wastewater treatment greenhouse gases, including carbon dioxide (CO2) from aerobic (oxidation processes), methane (CH4) from anaerobic processes and nitrous oxide (N2O) associated with nitrification/denitrification processes, can be emitted to the atmosphere. MBR is currently considered a rather mature technology (not innovative) with several full-scale applications; N2O is also produced during the nitritation process (i.e. ammonium oxidation to nitrite). Moreover, the microbial communities developed in MBRs are exposed to completely different conditions depending on the season of the year (spring, summer and autumn). The various problems associated with climate change and MBRs/WWTP operation and the solutions that can be applied to deal with them are summarized in this paper.
- Subjects
SEWAGE disposal plants &; the environment; CLIMATE change; MEMBRANE reactors; EMISSIONS (Air pollution); NITRIFICATION; DENITRIFICATION
- Publication
Desalination & Water Treatment, 2016, Vol 57, Issue 5, p2344
- ISSN
1944-3994
- Publication type
Article
- DOI
10.1080/19443994.2015.1049403