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... modified with n-BuNH2 and n-BuNH2/Ar plasmas were studied. Contact angle measurements, XPS and SEM were used to characterize the surface changes. Pore size estimation, water transport and filtration parameters helped to describe changes in filtration performance. Presence of argon in plasm ...
Desalination 146 (2002)
... fouling on the separation process were delineated by comparing the retention values of clean and fouled membranes and relate them to the membrane pore size as well as physicochemical characteristics of the trace organics. Fouling was more severe for the more open pore size TFC-SR2 and NF-27 ...
Desalination 236 (2009)
... systems to protein fractionation. Our present work on protein fractionation uses sandwich ultrafiltration membranes by exploiting the membrane pore size and the pore distribution characteristics of the membranes. The aim is to improve the selectivity of the separation by achieving a pure protei ...
Desalination 199 (2006)
... to more generally valid conclusions. The results indicate that SMP influence fouling only under certain conditions such as low sludge age and large pore size. SMP concentrations and fouling rates were determined over several months of operation in three MBR plants of different size equipped with fla ...
Desalination 231 (2008)
... of 40 l/h/m2 was found to keep the mass transfer coefficient within a tolerable range for all PEGs used. Keywords: Ultrafiltration; Characterisation; Pore size; Distribution 1. Introduction The cut-off of a membrane can be determined from the permeation of dilute solutions containing uncharged solutes.
Desalination 149 (2002)