Showing papers in "Journal of Membrane Science in 2016"

TL;DR: A comprehensive review on membrane fouling in ODMPs with a focus on the elaboration of the factors and mechanisms governing the fouling behavior is provided in this paper, where a general osmotic-resistance filtration model is presented to assist in the interpretation of the intrinsic interrelationships among those fouling factors and mechanism.

TL;DR: The latest advances in the field of zeolitic membranes for gas separation are critically reviewed with special emphasis on new synthetic protocols in this paper, and various approaches to either limit defect formation or decrease their adverse effect by post-synthesis modification.

TL;DR: In this article, the authors present details of recent research progress on CO2 separation membranes and membrane processes using ionic liquids (ILs) over the past few years, including supported ionic liquid membranes (SILMs), poly(ionic liquid) membranes (PILMs) and membrane absorption processes based on ILs.

TL;DR: In this paper, the TiO2 nanoparticles were directly anchored on the surface of poly(vinylidene fluoride) (PVDF) membrane, making the intrinsic hydrophobic polymer membrane become hydrophilic, what's more, the mussel inspired method was modified by introducing a silane coupling agent KH550, the ability to bind nanoparticles was retained and the as-prepared membrane turn from a common hydrophic state to superhydrophilic state.

TL;DR: In this paper, a tight ultrafiltration membrane (UH004, Microdyn-Nadir) was proposed to fractionate the dye and Na2SO4 in the textile wastewater.

TL;DR: In this paper, a series of commercial Nafion membranes (equivalent weight of 1100 grams −1 ) with thickness of 50μm, 88μm and 125μm were selected to investigate the thickness impact on the performance of vanadium redox flow battery (VRFB).

TL;DR: In this paper, a thorough investigation was carried out to understand the underlying phenomena in the membrane formation kinetics during the thermally induced phase separation (TIPS) process, which can be tailored to control the mechanical properties, pore size distribution, and flux of the prepared membranes.

TL;DR: In this article, a novel graphene oxide/TiO2-polyvinylidene fluoride hybrid ultrafiltration membrane has been successfully developed via the phase inversion technique by supplementing with GO and TiO2 nanocomposites.

TL;DR: In this paper, superhydrophobic, robust, mixed matrix polyvinylidene fluoride-co-hexafluoropropylene (PcH) nanofiber membranes were fabricated incorporating different concentrations of carbon nanotubes (CNTs) as nanofillers to impart additional mechanical and hydrophobic properties.

TL;DR: A comprehensive review on the current state of hybrid forward osmosis (FO) systems can be found in this article, where the authors highlight the future research directions for the current hybrid FO systems to achieve successful implementation.

TL;DR: In this paper, the UiO-66-NH 2 nanoparticles were embedded into polyether block amide (PEBA) polymer membranes for CO 2 separation, and the improved dispersibility of the polymer matrix was demonstrated.

TL;DR: In this article, the authors reviewed the literature on moisture barrier properties of polymer/clay and polymer/graphene-based nanocomposites and proposed various models to predict the effects of nanofillers in reducing water vapour permeability through polymers.

TL;DR: In this article, the authors focus on the recent developments on enhancing the membrane module design with 3D printing technology and propose a 3D-printing-based membrane module with high efficiency.

TL;DR: In this paper, the authors provide a state-of-the-art assessment of the research work carried out so far on membrane contactor technology in post-combustion carbon capture (PCC).

TL;DR: Osmotic membrane bioreactor (OMBR) is an emerging technology integrating a forward osmosis (FO) process into a membrane Bioreactor as discussed by the authors, which has been gaining increasing popularity in wastewater treatment and reclamation due to its excellent product water quality, low fouling tendency and high fouling reversibility over conventional MBRs.

TL;DR: In this paper, a novel thin film composite (TFC) nanofiltration membrane (NFM) was proposed by incorporating a thin hydrophilic multi-walled carbon nanotubes (MWCNTs) interlayer between the microfiltration membrane support and the dense skin layer from interfacial polymerization.

TL;DR: In this paper, a room temperature ionic liquid (IL) [bmim][Tf2N] was restrained by a water-washing process, confirmed by energy-dispersive X-ray spectra.

TL;DR: In this article, an ultrathin graphene oxide (GO) framework layer was successfully deposited on a modified Torlon ® hollow fiber support via a layer-by-layer approach, enabling the composite membrane with superior nanofiltration (NF) performance.

TL;DR: In this paper, silver nanoparticles were in situ immobilized on polysulfone (PSf) ultrafiltration membrane via polydopamine (PDA) deposition and in situ reduction of silver ammonia aqueous solution (Ag(NH 3 ) 2 OH).

TL;DR: A simple 2D model valid for ED and RED is developed, extending the approach by Sonin and Probstein by using the Nernst–Planck equation not only in the flow channels but also in the membranes.

TL;DR: In this article, a hybrid ultrafiltration membrane for removal of humic acid from aqueous solution was synthesized by in situ sol−gel reaction at pH=2 using GO nanosheets suspension and titanium isopropoxide precursor.

TL;DR: In this paper, experimental data collected for the first time on a full-scale RED pilot plant operated with natural streams in a real environment was reported. But no significant performance losses were observed due to scaling, fouling or ageing phenomena.

TL;DR: In this article, a fundamental study of microfiltration membrane fouling by emulsified oil was conducted using a combination of real-time visualization, force balance on a droplet, and permeate flux analysis.

TL;DR: In this paper, the chitin nanocrystal surface coating significantly impacted the surface properties of the membranes, producing a super-hydrophilic membrane (contact angle 0°) from the original hydrophobic CA mats.

TL;DR: In this article, a facile process to fabricate the partially porous reduced graphene oxide (PRG) nanosheets from graphene oxide via a wet chemical process was reported, and the fabricated PRG was blended into Pebax® 1657 polymer to prepare a mixed matrix gas separation membrane.

TL;DR: The potential presence of voids in the fully-aromatic polyamide active layers of thin-film composite (TFC) membranes for water purification was studied in a selection of commercial membranes with a broad range of performance levels as discussed by the authors.

TL;DR: In this paper, different concentrations of graphene were incorporated in polyvinylidene fluoride-co-hexafluoropropylene (PH) membrane to obtain a robust, and super-hydrophobic nanocomposite membrane.

TL;DR: In this article, once-dried 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofibril (TOCN) films with sodium carboxylate groups were soaked in aqueous MgCl 2, CaCl2, AlCl3 and FeCl3 solutions to change the counterion to TOCN-COOM films (M: metal ion).

TL;DR: In this article, mixed matrix membranes (MMMs) were fabricated by incorporating ZIF-8@GO into Pebax matrix to improve CO 2 separation performance, which increased the length of the tortuous path of gas diffusion and restricted the diffusion of larger molecules.

TL;DR: In this paper, multi-layered nanocellulose membranes were prepared using vacuum-filtration of cellulose nanofibers suspensions followed by dip coating with cellulose nanoparticles having sulphate or carboxyl surface groups, which showed exceptional capability to remove Ag+, Cu2+ and Fe3+/Fe2+ ions from mirror industry effluents.