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- W2345920171 abstract "This paper looks into the problem of fouling of UF/MF membranes due to NOM present in surface waters. NOM can be divided into particulate, colloidal and dissolved fractions. The idea here is to fractionate the surface water into the above-mentioned fractions, and to test the fouling characteristics of each fraction on a MF membrane, with and without pre-treatment by coagulation. Coagulation was performed at a pH of 7.5, using poly aluminium chloride 3+ (PAC) (2.5mg/L Al ), and the flocculated solution was slowly transferred into the feed tank of the filtration unit. A labscale single membrane capillary (SMC) test unit was used for the filtration test runs. The bulk surface water was fractionated using 0.45μm (MF), 5kD (UF) and/or 3.5kD dialysis bags. Membrane performance was measured using permeability decline and its recovery after each backwash. Feed and permeate samples were analysed using UVA254 -1 (m ) to estimate the organics removal through filtration. It could be shown that (1) particulates (organic/inorganic) helped minimise irreversible fouling, (2) the colloidal organics are the most irreversible fouling causing fraction, and (3) coagulation pre-treatment plays a significant role in improving and stabilising membrane performance." @default.
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- W2345920171 date "2009-01-01" @default.
- W2345920171 modified "2023-09-26" @default.
- W2345920171 title "Experimental Study On The Minimization Of Fouling By Nom In MF/UF Using Submerged Single Capillary Membranes" @default.
- W2345920171 doi "https://doi.org/10.18000/ijabeg.10044" @default.
- W2345920171 hasPublicationYear "2009" @default.
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