Single-step synthesis of a polyelectrolyte complex hollow-fiber membrane for forward osmosis

Mohammadifakhr, Mehrdad; Grooth, Joris de; Trzaskuś, Krzysztof; Roesink, H.D.W.; Kemperman, A.J.B.

doi:10.1016/j.seppur.2021.118430

Cited by 14 publications

(11 citation statements)

References 70 publications

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“…For HF membranes, the polymer solution is extruded through a double or triple orifice spinneret and phase separation is usually non-solvent induced, where the polymer solution is extruded in a coagulation bath. Co-extrusion via a triple orifice, solvent evaporation or chemical reactions and complexations during phase separation can be employed to yield dense layers directly [30][31][32][33]. Alternatively, a post-treatment of the porous fiber is needed to form the selective layer.…”

Section: Preparation Methodsmentioning

confidence: 99%

Advances and Applications of Hollow Fiber Nanofiltration Membranes: A Review

Sewerin¹,

Elshof²,

Matencio

et al. 2021

Membranes

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Hollow fiber nanofiltration (NF) membranes have gained increased attention in recent years, partly driven by the availability of alternatives to polyamide-based dense separation layers. Moreover, the global market for NF has been growing steadily in recent years and is expected to grow even faster. Compared to the traditional spiral-wound configuration, the hollow fiber geometry provides advantages such as low fouling tendencies and effective hydraulic cleaning possibilities. The alternatives to polyamide layers are typically chemically more stable and thus allow operation and cleaning at more extreme conditions. Therefore, these new NF membranes are of interest for use in a variety of applications. In this review, we provide an overview of the applications and emerging opportunities for these membranes. Next to municipal wastewater and drinking water processes, we have put special focus on industrial applications where hollow fiber NF membranes are employed under more strenuous conditions or used to recover specific resources or solutes.

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Section: Preparation Methodsmentioning

confidence: 99%

Advances and Applications of Hollow Fiber Nanofiltration Membranes: A Review

Sewerin¹,

Elshof²,

Matencio

et al. 2021

Membranes

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show abstract

“…Therefore, alternative solutions were studied to improve the performance of hollow fiber membranes in the FO process. Mohammadifakhr et al reported that using a trisodium citrate solution draw solution yielded the membrane with a high separation performance with high water flux of 7.8 L/m 2 ·h and a low reverse salt flux of 2.1 g/m 2 ·h [ 335 ]. Huang et al employed fertilizer as a drawn solution in polluted water treatment [ 336 ].…”

Section: Applications Of Hollow Fiber Membranesmentioning

confidence: 99%

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

Lau

Soh

et al. 2022

Membranes

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The aggravation of environmental problems such as water scarcity and air pollution has called upon the need for a sustainable solution globally. Membrane technology, owing to its simplicity, sustainability, and cost-effectiveness, has emerged as one of the favorable technologies for water and air purification. Among all of the membrane configurations, hollow fiber membranes hold promise due to their outstanding packing density and ease of module assembly. Herein, this review systematically outlines the fundamentals of hollow fiber membranes, which comprise the structural analyses and phase inversion mechanism. Furthermore, illustrations of the latest advances in the fabrication of organic, inorganic, and composite hollow fiber membranes are presented. Key findings on the utilization of hollow fiber membranes in microfiltration (MF), nanofiltration (NF), reverse osmosis (RO), forward osmosis (FO), pervaporation, gas and vapor separation, membrane distillation, and membrane contactor are also reported. Moreover, the applications in nuclear waste treatment and biomedical fields such as hemodialysis and drug delivery are emphasized. Subsequently, the emerging R&D areas, precisely on green fabrication and modification techniques as well as sustainable materials for hollow fiber membranes, are highlighted. Last but not least, this review offers invigorating perspectives on the future directions for the design of next-generation hollow fiber membranes for various applications. As such, the comprehensive and critical insights gained in this review are anticipated to provide a new research doorway to stimulate the future development and optimization of hollow fiber membranes.

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“…Membrane separation methods are widely used for various purposes: environmental cleaning, [ 53,54 ] selective ion concentration, [ 54,55 ] and water desalination. [ 56,57 ] The principle of forming a freestanding film is based on the formation of a polyelectrolyte complex (PEC). [ 58 ] The complexation process includes compensating the charge of the polyelectrolyte with the oppositely charged polyelectrolyte.…”

Section: Freestanding Filmsmentioning

confidence: 99%

Recent Progress of Layer‐by‐layer Assembly, Free‐Standing Film and Hydrogel Based on Polyelectrolytes

Ivanov

Pershina

Nikolaev

et al. 2021

Macromolecular Bioscience

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Nowadays, polyelectrolytes play an essential role in the development of new materials. Their use allows creating new properties of materials and surfaces and vary them in a wide range. Basically, modern methods are divided into three areas—the process of layer‐by‐layer deposition, free‐standing films, and hydrogels based on polyelectrolytes. Layer‐by‐layer assembly of polyelectrolytes on various surfaces is a powerful technique. It allows giving surfaces new properties, for example, protect them from corrosion. Free‐standing films are essential tools for the design of membranes and sensors. Hydrogels based on polyelectrolytes have recently shown their applicability in electrical and materials science. The creation of new materials and components with controlled properties can be achieved using polyelectrolytes. This review focuses on new technologies that have been developed with polyelectrolytes over the last five years.

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Single-step synthesis of a polyelectrolyte complex hollow-fiber membrane for forward osmosis

Cited by 14 publications

References 70 publications

Advances and Applications of Hollow Fiber Nanofiltration Membranes: A Review

Advances and Applications of Hollow Fiber Nanofiltration Membranes: A Review

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

Recent Progress of Layer‐by‐layer Assembly, Free‐Standing Film and Hydrogel Based on Polyelectrolytes

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