Membrane Fouling and Scaling


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Output type: Chapter in book

UM6P affiliated Publication?: No

Author list: Nirajan Dhakal, Almotasembellah Abushaban, Nasir Mangal, Mohanad Abunada, Jan C Schippers, Maria D Kennedy

Publication year: 2020


Abstract

The main “Achilles heel” for the efficient and smooth operation of the membrane-based desalination systems is membrane fouling (Flemming et al. 1997). Fouling occurs in all membrane processes such as reverse osmosis, as well as nano-, ultra-, and microfiltration. Membrane fouling results from complex physical and chemical interactions between the fouling constituents in water and between these constituents and membrane surfaces, leading to the attachment, accumulation, and/or adsorption of these constituents onto the membrane surface. As a result, water transport is hindered because of the formation of a fouling layer on the membrane surface, which eventually causes a decline in the quantity and quality of the produced water (Guo et al. 2012). The problems associated with membrane fouling are decreased membrane permeability, increased operating pressure, and increased frequency of chemical cleaning and membrane damage (Matin et al. 2011).


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Last updated on 2021-27-04 at 12:30