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|dc.title||Seasonal occurrence and behavior of synthetic musks (SMs) during wastewater treatment process in Shanghai, China|
|dc.identifier.citation||Lv, Y., Yuan, T., Hu, J., Wang, W. (2010-09). Seasonal occurrence and behavior of synthetic musks (SMs) during wastewater treatment process in Shanghai, China. Science of the Total Environment 408 (19) : 4170-4176. ScholarBank@NUS Repository. https://doi.org/10.1016/j.scitotenv.2010.05.003|
|dc.description.abstract||Synthetic musks (SMs), as a group of the widely used fragrance ingredients, are not completely removed from the wastewater treatment plant (WWTP). Although the increasing concerns have been focused on the removal and fate of these compounds in WWTP, little is known related to SMs removal mechanism with the seasonal variation, especially, the detail removal contribution of bioreactor in different seasons. In this study, in order to clearly understand the complicated behavior of SMs during wastewater treatment process, we determined four synthetic musks, galaxolide (HHCB), tonalide (AHTN), musk xylene (MX) and musk ketone (MK) in a domestic WWTP in Shanghai, China during four seasons (with the particular interests on the seasonal contribution of individual bio-unit). Operating temperature combined other seasonal elements (e.g. illumination, biomass and bioactivity) render influences on the elimination of SMs in different treatment units, particular in the bioreactor. The results showed that the higher operating temperature would benefit the elimination of SMs. The overall mass loss of total SMs during the wastewater treatment process were as high as 131.7gd-1 (28.3gd-1 loss in bioreactor) in summer followed by 109.1gd-1 (29.8gd-1 loss in bioreactor) in fall. Contributions of individual bio-unit (anaerobic, anoxic and oxic unit) to the total SMs elimination in bioreactor were seasonal fluctuated, e.g. the anoxic unit made a remarkable contribution (almost 90%) in fall, whereas there were nearly equivalent contributions of three bio-units in summer. © 2010 Elsevier B.V.|
|dc.contributor.department||DIVISION OF ENVIRONMENTAL SCIENCE & ENGG|
|dc.description.sourcetitle||Science of the Total Environment|
|Appears in Collections:||Staff Publications|
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