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Title: Novel low-fouling membrane bioreactor (MBR) for industrial wastewater treatment
Authors: Deowan, Shamim Ahmed
Galiano, Francesco
Hoinkis, Jan
Johnson, Daniel
Alsoy Altınkaya, Sacide
Gabriele, Bartolo
Hilal, Nidal
Drioli, Enrico
Figoli, Alberto
Keywords: Low fouling membrane
Membrane bioreactor
Polymerisable bicontinous microemulsion
Textile industry
Wastewater treatment
Issue Date: Jul-2016
Publisher: Elsevier Ltd.
Source: Deowan, S. A., Galiano, F., Hoinkis, J., Johnson, D., Alsoy Altınkaya, S., Gabriele, B., Hilal, N., Drioli, E., and Figoli, A. (2016). Novel low-fouling membrane bioreactor (MBR) for industrial wastewater treatment. Journal of Membrane Science, 510, 524-532. doi:10.1016/j.memsci.2016.03.002
Abstract: A novel antifouling coating of ultrafiltration (UF) commercial membranes, based on a polymerisable bicontinuous microemulsion (PBM) technique, was developed and tested for the first time in a membrane bioreactor (MBR) using an artificial model textile dye wastewater and compared with a commercial uncoated UF membrane. The results showed that the commercial MBR module faced severe fouling problems whereas the novel coated PBM MBR module reduced the fouling significantly. The analysis of fouling rate using a resistance model confirms that PBM coated membrane has a higher antifouling effect. The antimicrobial properties of the PBM membrane contributed by polymerisable cationic surfactant acryloyloxyundecyltriethylammonium bromide (AUTEAB) guaranteed an anti-biofouling effect preventing the growth of microorganisms on the membrane surface. In addition, the PBM MBR module showed 10±1% higher blue dye removal efficiency and a similar rate of COD removal efficiency of about 95±1% compared to commercial module. However, water permeability was slightly lower due to extra resistance of the PBM coating. Root mean squared (RMS) roughness measurement and analysis of AFM images confirmed that the stable novel membrane coating still existed and showed antimicrobial effect even after 105 days of operation. The results obtained demonstrated the potential of the low fouling PBM membrane.
ISSN: 0376-7388
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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