Fabrication of antifouling thin-film composite nanofiltration membrane via surface grafting of polyethyleneimine followed by zwitterionic modification

Deng, Luyao; Li, Shao-Lu; Qin, Yu; Zhang, Longjiang; Chen, Haonan; Chang, Zaigong; Hu, Yunxia

doi:10.1016/j.memsci.2020.118564

Cited by 114 publications

(34 citation statements)

References 71 publications

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“…where C p and C f are the salt or dye concentration in the feed and permeate, respectively. 41 The flux decline ratio (FDR) is determined by the equation below: 42 = − × J J J FDR 100% t 0 0 (3) where J 0 is the initial water flux and J t is the real-time permeate flux. The flux recovery ratio (FRR) is determined by the following equation: 42…”

Section: Fundamental Principle Of Applicationsmentioning

confidence: 99%

“…Deng et al utilized PEI to fabricate zwitterionic membranes via LbL-IP and successive surface reactions. 42 PEI solution was poured onto the surface to promote the interaction between amino groups and residual acyl chloride groups from the polyamide layer. Subsequently, the membrane was submerged into a sodium triacetoxyborohydride/formaldehyde/acetic acid solution for methylation of the PEI amines, followed by the quarternization of amino groups by the 3-BPA solution.…”

Section: Zwitterionic Membrane Preparationmentioning

confidence: 99%

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Recent Progress of Zwitterionic Materials as Antifouling Membranes for Ultrafiltration, Nanofiltration, and Reverse Osmosis

Lau

Yong

2021

ACS Appl. Polym. Mater.

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Numerous materials have been employed in the surface modification of membranes, including different polymers and nanomaterials over the years. The pernicious challenges of membrane separation include the trade-off between water permeability and solute rejection as well as fouling when it is tested under liquid conditions. Zwitterionic polymers have attracted wide interest due to their unique properties of containing both cationic and anionic groups while maintaining electroneutrality and high hydrophilicity. These zwitterionic polymers have been utilized as coating materials or grafted layers not only on the surfaces of porous membranes but also as thin film composite membranes. To illustrate, the membranes modified with this class of materials are capable of resisting foulants through two distinct mechanisms, which are the hydration layer formation and steric repulsion effect, showcasing their unique chemical properties. To bridge the gaps of the recent development of zwitterionic membranes and their relationships with foulants for targeted separation such as ultrafiltration (UF), nanofiltration (NF), and reverse osmosis (RO), this critical review will first fundamentally classify the fouling into four categories according to their characteristics and fouling mechanisms, namely, inorganic foulants, nonmigratory foulants, spreadable foulants, and proliferative foulants. The antifouling strategies which are active antifouling and passive antifouling (e.g., fouling resistance and fouling release) will be summarized. Apart from that, the chemistry, morphology, and modification approaches of zwitterionic membranes including surface coating, surface grafting, and physical blending on targeted applications as well as the separation performance of the state-of-the-art membranes will be presented in detail. Lastly, the summary, outlook of major challenges and opportunities of the zwitterionic materials will be highlighted. It is anticipated that this review can generate a pathway to facilitate the next generation of zwitterionicbased membranes with superior separation performance for specific separation.

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Section: Fundamental Principle Of Applicationsmentioning

confidence: 99%

Section: Zwitterionic Membrane Preparationmentioning

confidence: 99%

Recent Progress of Zwitterionic Materials as Antifouling Membranes for Ultrafiltration, Nanofiltration, and Reverse Osmosis

Lau

Yong

2021

ACS Appl. Polym. Mater.

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“…In order to improve the antifouling performances of the membranes, hydrophilic polymers as polyvinyl pyrrolidone (PVP) [10], polyethylene glycol (PEG) [11,12], polyvinyl alcohol (PVA) [13], and zwitterionic polymers [14][15][16][17][18] were introduced into nanofiltration membranes. Due to the hydrogen bonds between these hydrophilic polymers and water, a hydrate layer could form which prevents the protein and other contaminants setting on the membrane, thereby improving solution flux recovery.…”

Section: Introductionmentioning

confidence: 99%

“…Due to the hydrogen bonds between these hydrophilic polymers and water, a hydrate layer could form which prevents the protein and other contaminants setting on the membrane, thereby improving solution flux recovery. Deng et al prepared a nanofiltration membrane with zwitterionic PEI moieties which showed Lys solution flux recovery rate about 91.9% [17]. Commercial membrane NF90 modified by carboxyl betaine methacrylate (PCBMA) containing quaternary ammonium salt showed BSA flux recovery rate near 96.49%, and the inhibition rate to Escherichia coli and Bacillus subtilis was 99% [18].…”

Section: Introductionmentioning

confidence: 99%

High Flux and Antifouling Nanofiltration Membrane Modified by Ag@UiO-66-NH2 and Its Application for Biphenol A Removal

Chen

et al. 2022

Advances in Polymer Technology

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Owing to the specific porous structure which could provide additional passage channel for some molecules, metal organic frameworks are attractive candidates for enhancing permeability and selectivity of membranes in pervaporation, reverse osmosis, and gas separation. In this experiment, Ag@UiO-66-NH2 was introduced into polyamide separation layer by interfacial polymerization of triethylenetetramine and 1,3,5-benzenetricarboxylic acid chloride for nanofiltration. The results indicated that Ag@UiO-66-NH2 nanoparticles did endow the membranes with rapid diffusion pathways for water molecules. When the content of Ag@UiO-66-NH2 was 0.03 g, the prepared membrane (NF-Ag-3) showed high flux about 47.3 L·m-2·h-1 at 0.6 MPa, which is about 2-fold higher than that of polyamide membrane without Ag@UiO-66-NH2, while the MgSO4 rejection rate remained about 87.4%. The membrane also showed excellent antifouling properties, and the water flux recovery ratio was 95.6% after filtration BSA solution. When it was applied for 50 mg/L bisphenol A removal, the rejection rate reached 94.6%, and the flux is about 49.1 L·m-2·h-1. Moreover, Ag particles on UiO-66-NH2 rendered the membrane with good inhibition for Escherichia coli. The antibacterial rate of the membranes is above 95% when the loading of Ag@UiO-66-NH2 is more than 0.03 g.

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“…This membrane showed good separation performance toward divalent ions. 29 Das et al designed a freestanding polyimide membrane through the water-xylene interface self-assembly and reversible condensation polymerization. This membrane can achieve high rejection ability for various dye molecules and no more than 10% rejection of monovalent and divalent salts.…”

Section: Introductionmentioning

confidence: 99%

Supramolecular fabrication of hyperbranched polyethyleneimine toward nanofiltration membrane for efficient wastewater purification

Xia

Xiao

et al. 2021

SusMat

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Nanofiltration technology has opened an efficient pathway to addressing the grand issue of wastewater purification. Polyethyleneimine (PEI), as a hydrophilic polymer, is a promising material to manufacture separation membranes owing to its superiority. Here, we prepared a hyperbranched PEI-based separation membrane through the supramolecular hydrogen bond interaction for wastewater purification. The amino groups in the PEI molecule were partially oxidized to the nitro groups with sodium hypochlorite (NaClO). Moreover, the PEI molecular chains can be regulated from the hyperbranched state to the internal nucleation state. Molecular dynamics simulation results further indicated the strong hydrogen bonds among the oxidized PEI (O-PEI) molecular chains and the decreased gyration radius of the O-PEI molecule due to the formation of the nitro groups. In addition, the wettability and zeta potential of O-PEI membranes can be controlled by adjusting the molecular weight and oxidation degree of the PEI molecules. Under the collective effect of size screening and charge repulsion, the O-PEI separation membrane displayed a wide range of purification capabilities for contaminations, such as dye molecules and salts. This work may offer a new strategy to fabricate hyperbranched O-PEI membranes for wastewater purification.

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Fabrication of antifouling thin-film composite nanofiltration membrane via surface grafting of polyethyleneimine followed by zwitterionic modification

Cited by 114 publications

References 71 publications

Recent Progress of Zwitterionic Materials as Antifouling Membranes for Ultrafiltration, Nanofiltration, and Reverse Osmosis

Recent Progress of Zwitterionic Materials as Antifouling Membranes for Ultrafiltration, Nanofiltration, and Reverse Osmosis

High Flux and Antifouling Nanofiltration Membrane Modified by Ag@UiO-66-NH2 and Its Application for Biphenol A Removal

Supramolecular fabrication of hyperbranched polyethyleneimine toward nanofiltration membrane for efficient wastewater purification

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