Comparison of fouling mechanisms in low-pressure membrane (MF/UF) filtration of secondary effluent

Muthukumaran, Shobha, Jegatheesan, Jega V. and Baskaran, Kanagaratnam 2014, Comparison of fouling mechanisms in low-pressure membrane (MF/UF) filtration of secondary effluent, Desalination and water treatment, vol. 52, no. 4-6, pp. 650-662, doi: 10.1080/19443994.2013.826324.

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Title Comparison of fouling mechanisms in low-pressure membrane (MF/UF) filtration of secondary effluent
Author(s) Muthukumaran, Shobha
Jegatheesan, Jega V.
Baskaran, KanagaratnamORCID iD for Baskaran, Kanagaratnam
Journal name Desalination and water treatment
Volume number 52
Issue number 4-6
Start page 650
End page 662
Total pages 13
Publisher Taylor & Francis
Place of publication Hopkinton, Mass.
Publication date 2014-01-28
ISSN 1944-3994
Keyword(s) ceramic membrane
fouling models
polymeric membrane
secondary effluent
unified membrane fouling index
Summary Membrane filtration in municipal wastewater treatment is being increasingly used to improve the quality of water and increase the productivity of existing plants. However, membrane fouling encountered in reclamation of municipal wastewater represents serious design and operational concern. There are several fouling models which are being developed and used as a powerful tool to increase the understanding of the fouling mechanisms and its key characteristics that influence the design of optimal process and operating conditions. This study investigates and compares the fouling mechanisms of three different types of polymeric and ceramic ultrafiltration (UF) and microfiltration (MF) membranes in the recovery of water from secondary effluent. The result demonstrated that ceramic UF membrane produced very high quality of water compared to polymeric UF and ceramic MF membranes. Out of four fouling models used to fit the experimental flux data, cake filtration and pore narrowing and complete pore blocking models predicted the initial fluxes of polymeric UF membrane more accurately. On the other hand, the cake filtration and pore narrowing models predicted the performance of ceramic UF membrane. Whereas, pore narrowing model predicted the performance of ceramic MF membrane more precisely compared to other three models. Further, the application of unified membrane fouling index (UMFI) was used to assess the fouling potential of the membranes. Good agreement between UMFI and other models was found. © 2013 Copyright Balaban Desalination Publications.

Language eng
DOI 10.1080/19443994.2013.826324
Field of Research 090404 Membrane and Separation Technologies
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2014, Taylor & Francis
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