Results 171 to 180 of about 13,284 (228)

Fabrication of a novel nanofiltration membrane using an Mg-Fe layered double hydroxide for dye/salt separation. [PDF]

RSC Adv
Wei X, Chen Z, He M, Xu L, Li Y, Yang J, Zhang X, Zhang X, Wang Z, Cao S, Zhou Q, Pan B.   +11 more
europepmc   +1 more source

Sharpening Nanofiltration: Strategies for Enhanced Membrane Selectivity [PDF]

ACS Applied Materials & Interfaces, 2020
Nanofiltration plays an increasingly large role in many industrial applications, such as water treatment (e.g., desalination, water softening, and fluoride removal) and resource recovery (e.g., alkaline earth metals).
Qiming He, Seth Darling, Huiru Zhang
exaly   +2 more sources

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Identification of nanofiltration membrane foulants

Water Research, 2007
The Mery-sur-Oise plant (France) has been using nanofiltration (NF) membranes (NF200) to produce safe drinking water since 1999. However, significant fouling has been occasionally observed according to seasonal conditions, even with various pre-treatments including conventional surface water treatment followed by ozonation, acid addition to pH 6.9 ...
Namguk, Her, Gary, Amy, Anne, Plottu-Pecheux, Yeomin, Yoon   +3 more
openaire   +2 more sources

Electroviscous Effects in Ceramic Nanofiltration Membranes

ChemPhysChem, 2015
AbstractMembrane permeability and salt rejection of a γ‐alumina nanofiltration membrane were studied and modeled for different salt solutions. Salt rejection was predicted by using the Donnan‐steric pore model, in which the extended Nernst–Planck equation was applied to predict ion transport through the pores.
Farsi, Ali, Boffa, Vittorio, Christensen, Morten Lykkegaard; id_orcid 0000-0002-7671-817X   +2 more
openaire   +2 more sources

Polymer Nanocomposite Membranes for Antifouling Nanofiltration

Recent Patents on Nanotechnology, 2016
Fouling refers to the unwanted and undesirable attachment of biological macromolecules, inorganic, organic matter, and microorganisms on water contact surfaces. Fouling reduces the performance of devices involving these submerged surfaces and is considered the bottle-neck issue for various applications in the biomedical industry, food processing, and ...
Tahseen, Kamal, Nauman, Ali, Abbas A, Naseem, Sher B, Khan, Abdullah M, Asiri   +4 more
openaire   +2 more sources

Physico‐Chemical Characterization of Nanofiltration Membranes

ChemPhysChem, 2007
AbstractThis study presents a methodology for an in‐depth characterization of six representative commercial nanofiltration membranes. Laboratory‐made polyethersulfone membranes are included for reference. Besides the physical characterization [molecular weight cut‐off (MWCO), surface charge, roughness and hydrophobicity], the membranes are also studied
Katleen, Boussu, Jérémie, De Baerdemaeker, Charles, Dauwe, Marc, Weber, Kelvin G, Lynn, Diederik, Depla, Steliana, Aldea, Ivo F J, Vankelecom, Carlo, Vandecasteele, Bart, Van der Bruggen   +9 more
openaire   +2 more sources

Characteristics and Application of Ceramic Nanofiltration Membranes

Annals of the New York Academy of Sciences, 2003
Abstract: In this paper we report on the characteristic and filtration behavior of a newly developed ceramic nanofiltration membrane and compare it with other commercial ceramic nanofiltration membranes currently available. It is shown that it is possible to produce a ceramic membrane with separation properties in the nanofiltration range and with ...
Ralph, Weber, Horst, Chmiel, Valko, Mavrov   +2 more
openaire   +2 more sources

Concentration of Grape Must by Nanofiltration Membranes

Food and Bioproducts Processing, 2003
In this study the selectivity of two nanofiltration (NF) membranes was tested with the aim of increasing the sugar content of grape must used for wine production. The composition of grape must, concentrate, permeate and the rejection values for selected physicochemical parameters is presented.
Versari A., Ferrarini R., Parpinello G. P., Galassi S.   +3 more
openaire   +3 more sources

Evaluating the charge of nanofiltration membranes

Journal of Membrane Science, 2001
Abstract In this study, several methods were used to determine the charge of commercially available nanofiltration membranes, and were compared. First the ion-exchange capacity was determined by titration, this method is able to distinguish between positively and negatively charged functional groups on the membrane.
Johan Schaep, Carlo Vandecasteele
openaire   +1 more source

Nanofiltration membrane technologies

2022
Tina Chakrabarty, Arnab Kanti Giri, Supriya Sarkar   +2 more
openaire   +1 more source