Alginate-like exopolysaccharides extracted from different waste sludges exhibit varying physicochemical and material properties

This study examined the influence of different wastewater treatment processes on the physicochemical properties of Alginate-Like Exopolymers (ALE) extracted from waste sludge. Sludge samples were collected from wastewater treatment plants (WWTPs) processing both combined industrial and domestic wast...

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Bibliographic Details
Published in:Frontiers in microbiology 2024-11, Vol.15, p.1493782
Main Authors: Rehman, Zahid Ur, Ghaani, Masoud, Mohamed, Ahmed Y A, Gallagher, John, Saikaly, Pascal E, Ali, Muhammad
Format: Article
Language:English
Subjects:
activated sludge
aerobic granular sludge
alginate-like exopolysaccharides
membrane bioreactor
Microbiology
physicochemical characterization
wastewater
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Summary:This study examined the influence of different wastewater treatment processes on the physicochemical properties of Alginate-Like Exopolymers (ALE) extracted from waste sludge. Sludge samples were collected from wastewater treatment plants (WWTPs) processing both combined industrial and domestic wastewater, as well as domestic wastewater alone. Among the processes studied, aerobic granular sludge (AGS) produced the highest ALE yield (352 ± 50 mg/g-VS ), significantly exceeding that from membrane bioreactor (170 ± 41 mg/g-VS ) and conventional activated sludge (
ISSN:1664-302X
1664-302X
DOI:10.3389/fmicb.2024.1493782