Preparation and characterization of a novel nanofiltration membrane with chlorine-tolerant property and good separation performance

Liu, Yi; Lin, Bo; Li, Wenchao; Li, Junjun; Gao, Congjie; Pan, Qiaoming

doi:10.1039/c8ra06755d

Cited by 18 publications

(10 citation statements)

References 41 publications

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“…Donnan exclusion is also more pronounced on divalent ions [ 67 , 68 ]. Nicolini and colleagues evaluated the performance of NF membrane by measuring the saline rejection.…”

Section: Non-sieving Mechanismmentioning

confidence: 99%

“…Furthermore, the performance of fabricated polyamide (PA) NF membranes via interfacial polymerisation using m-xylylenediamine (m-XDA) and polyethyleneimine (PEI) as aqueous monomers were evaluated [ 68 ]. Liu and co-researchers controlled the concentration ratio of m-XDA and PEI from 1:0, 4:1, 3:2, 2:3, and 1:4 to 0:1 and named them M1, M2, M3, M4, M5, and M6.…”

Section: Non-sieving Mechanismmentioning

confidence: 99%

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Rejection Mechanism of Ionic Solute Removal by Nanofiltration Membranes: An Overview

et al. 2022

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The toxicity of heavy metals can cause water pollution and has harmful effects on human health and the environment. Various methods are used to overcome this pressing issue and each method has its own advantages and disadvantages. Membrane filtration technology such as nanofiltration (NF) produces high quality water and has a very small footprint, which results in lower energy usage. Nanofiltration is a membrane-based separation technique based on the reverse osmosis separation process developed in the 1980s. NF membranes have a pore size of 1 nm and molecular weight cut off (MWCO) of 300 to 500 Da. The properties of NF membranes are unique since the surface charge of the membranes is dependent on the functional groups of the membrane. The rejection mechanism of NF membrane is unique as it is a combination of various rejection mechanisms such as steric hindrance, electric exclusion, dielectric effect, and hydration mechanism. However, these mechanisms have not been studied in-depth due to their complexity. There are also many factors contributing to the rejection of NF membrane. Many junior researchers would face difficulty in studying NF membrane. Therefore, this paper is designed for researchers new to the field, and will briefly review the rejection mechanisms of NF membrane by both sieving and non-sieving separation processes. This mini-review aims to provide new researchers with a general understanding of the concept of the separation process of charged membranes.

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“…Donnan exclusion is also more pronounced on divalent ions [ 67 , 68 ]. Nicolini and colleagues evaluated the performance of NF membrane by measuring the saline rejection.…”

Section: Non-sieving Mechanismmentioning

confidence: 99%

Section: Non-sieving Mechanismmentioning

confidence: 99%

Rejection Mechanism of Ionic Solute Removal by Nanofiltration Membranes: An Overview

et al. 2022

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“…The casting solution was prepared as reported previously. 2,17 The ANF hydrogel membrane was produced via non-solvent phase inversion in water. The casting solutions were allowed to settle to remove air bubbles and undissolved precipitates before casting the membrane.…”

Section: Anf Hydrogel Substrate Preparationmentioning

confidence: 99%

“…Recently, Liu et al prepared a novel nanoltration membrane by blending m-xylylenediamine (m-XDA) and polyethyleneimine as the aqueous co-monomer. 17 The addition of m-XDA endows the NF membrane with good chlorine-tolerant properties. The methylene of the m-XDA reduces the activity of amide bonds and improves the chemical resistance of the thin lm.…”

Section: Introductionmentioning

confidence: 99%

Controllable synthesis of a chemically stable molecular sieving nanofilm for highly efficient organic solvent nanofiltration

Zhu

et al. 2020

Chem. Sci.

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“…The test reagent used for our study was 0.001 mol L À1 KCl, and the pH value was varied to investigate its effect on the zeta potential. 33…”

Section: Characterization Of the Tfc Nf Membranesmentioning

confidence: 99%

Preparation of a novel zwitterionic striped surface thin-film composite nanofiltration membrane with excellent salt separation performance and antifouling property

Lin

Tan²,

Li³

et al. 2020

RSC Adv.

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Preparation and characterization of a novel nanofiltration membrane with chlorine-tolerant property and good separation performance

Abstract: High water flux, good separation property and excellent chlorine resistance are crucial factors affecting the development of nanofiltration (NF) membranes.

Cited by 18 publications

References 41 publications

Rejection Mechanism of Ionic Solute Removal by Nanofiltration Membranes: An Overview

Rejection Mechanism of Ionic Solute Removal by Nanofiltration Membranes: An Overview

Controllable synthesis of a chemically stable molecular sieving nanofilm for highly efficient organic solvent nanofiltration

Preparation of a novel zwitterionic striped surface thin-film composite nanofiltration membrane with excellent salt separation performance and antifouling property

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