Efficiency of various chemical cleanings for nanofiltration membrane fouled by conventionally-treated surface water

R Liikanen, J Yli-Kuivila, R Laukkanen - Journal of Membrane Science, 2002 - Elsevier
Nanofiltration systems are generally cleaned chemically. The optimal choice of the cleaning
agent is a function of membrane material and foulant in a complex manner. This study …

Relative contributions of organic and inorganic fouling during nanofiltration of inland brackish surface water

MA Sari, S Chellam - Journal of Membrane Science, 2017 - Elsevier
Bench-scale nanofiltration (NF) experiments were performed with two commercially
available membranes having different ion rejection characteristics to assess dominant …

Removal of organic micro-pollutants during drinking water treatment by nanofiltration and reverse osmosis

P Lipp, F Sacher, G Baldauf - Desalination and Water Treatment, 2010 - Taylor & Francis
A study on a flat sheet membrane test unit for nanofiltration (NF) and reverse osmosis (RO)
with synthetic and natural waters was carried out in order to evaluate the performance of four …

The influence of degreasing agents used at car washes on the performance of ultrafiltration membranes

C Jönsson, AS Jönsson - Desalination, 1995 - Elsevier
The influence of washing chemicals used at car washes on the flux and retention of three
ultrafiltration (UF) membranes has been studied. Eleven commercial degreasing agents, two …

Membrane filtration of natural organic matter: comparison of flux decline, NOM rejection, and foulants during filtration with three UF membranes

J Cho, G Amy, J Pellegrino - Desalination, 2000 - Elsevier
Three ultrafiltration membranes [thin-film composite, polyethersulfone (PES), and sulfonated
PES] which have different chemistries and nominal relative molecular mass cut-offs …

Experimental observations of nanofiltration with organic solvents

XJ Yang, AG Livingston, LF Dos Santos - Journal of membrane Science, 2001 - Elsevier
This paper reports the flux, retention and stability of nanofiltration (NF) membranes with
aqueous and organic solvents, and three selected solutes having the same molecular …

Pretreatment and membrane hydrophilic modification to reduce membrane fouling

W Sun, J Liu, H Chu, B Dong - Membranes, 2013 - mdpi.com
The application of low pressure membranes (microfiltration/ultrafiltration) has undergone
accelerated development for drinking water production. However, the major obstacle …

Effects of the mixture ratio of amino acid and sodium chloride on the rejection of nanofiltration membranes under various operating conditions

H Yunoki, K Nagata, KI Kokubo, A Ito… - Journal of chemical …, 2002 - jstage.jst.go.jp
Nanofiltration experiments were carried out in order to investigate the effects of the mixture
ratio and the change in concentration polarization on the operating conditions, in particular …

Comparison of flux behavior and synthetic organic compound removal by forward osmosis and reverse osmosis membranes

J Heo, LK Boateng, JRV Flora, H Lee, N Her… - Journal of Membrane …, 2013 - Elsevier
Bench-scale forward osmosis (FO) and reverse osmosis (RO) experiments with both FO and
RO membranes were used to investigate the systematic and mechanistic comparison of flux …

Assessment of a semi‐quantitative method for estimation of the rejection of organic compounds in aqueous solution in nanofiltration

B Van der Bruggen, A Verliefde… - Journal of Chemical …, 2006 - Wiley Online Library
A large number of different mechanisms describing the retention of dissolved organic
compounds in nanofiltration have been proposed. A recent review identified the parameters …