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Performance of suspended and attached growth MBR systems in treating high strength synthetic wastewater

Jamal Khan, S., Ilyas, Shazia, Javid, Sadaf, Visvanathan, C. and Jegatheesan, V. 2011, Performance of suspended and attached growth MBR systems in treating high strength synthetic wastewater, Bioresource technology, vol. 102, no. 9, pp. 5331-5336, doi: 10.1016/j.biortech.2010.09.100.

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Title Performance of suspended and attached growth MBR systems in treating high strength synthetic wastewater
Author(s) Jamal Khan, S.
Ilyas, Shazia
Javid, Sadaf
Visvanathan, C.
Jegatheesan, V.
Journal name Bioresource technology
Volume number 102
Issue number 9
Start page 5331
End page 5336
Total pages 6
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2011-05
ISSN 0960-8524
1873-2976
Keyword(s) submerged membrane bioreactor
sponge carrier
microbial activity
particle size
simultaneous nitrification and denitrification (SND)
Summary The performance of laboratory-scale attached growth (AG) and suspended growth (SG) membrane bioreactors (MBRs) was evaluated in treating synthetic wastewater simulating high strength domestic wastewater. This study investigated the influence of sponge suspended carriers in AG-MBR system, occupying 15% reactor volume, on the removal of chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP), and compared it to that of SG-MBR. Results showed that the removal efficiencies of COD, TN and TP in AG-MBR were 98%, 89% and 58%, respectively as compared to 98%, 74% and 38%, respectively in SG-MBR. Improved TN removal in AG-MBR systems was primarily based on simultaneous nitrification and denitrification (SND) process. These results infer that the presence of small bio-particles having higher microbial activity and the growth of complex biomass captured within the suspended sponge carriers resulted in improved TN and TP removal in AG-MBR.
Language eng
DOI 10.1016/j.biortech.2010.09.100
Field of Research 090404 Membrane and Separation Technologies
Socio Economic Objective 960912 Urban and Industrial Water Management
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039678

Document type: Journal Article
Collection: School of Engineering
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