Polymer-based nano-enhanced forward osmosis membranes

Bakly, Salam; Ibrar, Ibrar; Saleem, Haleema; Yadav, Sudesh; Al-Juboori, Raed A.; Naji, Osamah; Altaee, Ali; Zaidi, Syed Javaid

doi:10.1016/b978-0-323-88514-0.00006-1

Cited by 6 publications

(6 citation statements)

References 78 publications

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“…While gel membranes are flexible, they need sufficient mechanical strength to withstand operational pressures in water treatment systems. Their design and synthesis are tailored to the specific requirements of the water treatment application, such as desalination (removing salts to produce potable water from seawater or brackish water), pollutant removal (effective in trapping heavy metals like lead, arsenic, and mercury from industrial wastewater), removal of organic compounds (e.g., endocrine-disrupting chemicals, pharmaceuticals, and personal care products), pathogen filtration (with the possibility to be tailored for the removal of bacteria, viruses, and other pathogens), and reduction of hardness-causing ions like calcium and magnesium [96][97][98][99][100][101].…”

Section: Applications In Water Treatmentmentioning

confidence: 99%

State-of-the-Art Advances and Current Applications of Gel-Based Membranes

Ungureanu,

Răileanu,

Zgârian

et al. 2024

Gels

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Gel-based membranes, a fusion of polymer networks and liquid components, have emerged as versatile tools in a variety of technological domains thanks to their unique structural and functional attributes. Historically rooted in basic filtration tasks, recent advancements in synthetic strategies have increased the mechanical strength, selectivity, and longevity of these membranes. This review summarizes their evolution, emphasizing breakthroughs that have positioned them at the forefront of cutting-edge applications. They have the potential for desalination and pollutant removal in water treatment processes, delivering efficiency that often surpasses conventional counterparts. The biomedical field has embraced them for drug delivery and tissue engineering, capitalizing on their biocompatibility and tunable properties. Additionally, their pivotal role in energy storage as gel electrolytes in batteries and fuel cells underscores their adaptability. However, despite monumental progress in gel-based membrane research, challenges persist, particularly in scalability and long-term stability. This synthesis provides an overview of the state-of-the-art applications of gel-based membranes and discusses potential strategies to overcome current limitations, laying the foundation for future innovations in this dynamic field.

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Section: Applications In Water Treatmentmentioning

confidence: 99%

State-of-the-Art Advances and Current Applications of Gel-Based Membranes

Ungureanu,

Răileanu,

Zgârian

et al. 2024

Gels

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“…Researchers are actively exploring the optimization of polymeric membranes by incorporating 2D-NMs, surface modification, and their synthesis process for high oil-water separation efficiency [55,127,128]. Usually, various factors affect oil-water separation efficiency.…”

Section: Strategies To Improve Oil-water Separation Efficiencymentioning

confidence: 99%

Two-Dimensional Nanomaterial (2D-NMs)-Based Polymeric Composite for Oil–Water Separation: Strategies to Improve Oil–Water Separation

et al. 2023

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Oil leakage and organic solvent industrial accidents harm the ecosystem, especially aquatic and marine life. Oil–water separation is required to combat this issue, which substantially enhances the ecosystem and recovery of oils from water bodies. In this aspect, significant efforts have been made by scientists to develop newer composite materials that efficiently separate oils from water bodies with exceptional recyclability. Membrane filtration is an efficient option for oil–water separation due to its ability to separate oil from water without involving any chemicals. However, relatively less water permeability and a high degree of surface fouling limit their applicability. The advent of two-dimensional nanomaterials (2D-NMs) gives newer insight in developing membranes due to their exceptional characteristics like hydrophobicity/hydrophilicity, selectivity, antifouling ability, flexibility, and stability. Incorporating 2D-NMs within the polymeric membranes makes them exceptional candidates for removing oil from water. Moreover, 2D-NMs offer rapid sorption/desorption rates and boost water transportation. Additionally, 2D-NMs provide roughness that significantly enhances the fouling resistance in the polymeric membrane. This review focuses on properties of 2D-NM-based polymeric membrane and their roles in oil–water separation. We also discussed strategies to improve the oil–water separation efficiency. Finally, we discussed oil–water separation’s outlook and prospects using 2D-NM-based polymeric membranes. This review might provide new insight to the researchers who work on oil–water separation.

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“…The aforementioned challenges of FO TFC membranes may be mitigated by integrating appropriate nanomaterials into the selective layer of the TFC membrane. The selective layer of the TFC membrane is the most important parameter that governs overall membrane performance [ 45 , 46 ]. In addition, the high rejection ability of the selective layer assures strong oil rejection, which results in high water recovery [ 31 , 34 ].…”

Section: Introductionmentioning

confidence: 99%

Date Palm Tree Leaf-Derived Cellulose Nanocrystal Incorporated Thin-Film Composite forward Osmosis Membranes for Produced Water Treatment

et al. 2023

Self Cite

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Worldwide water shortage and significant issues related to treatment of wastewater streams, mainly the water obtained during the recovery of oil and gas operations called produced water (PW), has enabled forward osmosis (FO) to progress and become advanced enough to effectively treat as well as retrieve water in order to be productively reused. Because of their exceptional permeability qualities, thin-film composite (TFC) membranes have gained increasing interest for use in FO separation processes. This research focused on developing a high water flux and less oil flux TFC membrane by incorporating sustainably developed cellulose nanocrystal (CNC) onto the polyamide (PA) layer of the TFC membrane. CNCs are prepared from date palm leaves and different characterization studies verified the definite formations of CNCs and the effective integration of CNCs in the PA layer. From the FO experiments, it was confirmed that that the membrane with 0.05 wt% of CNCs in the TFC membrane (TFN-5) showed better FO performance in PW treatment. Pristine TFC and TFN-5 membrane exhibited 96.2% and 99.0% of salt rejection and 90.5% and 97.45% of oil rejection. Further, TFC and TFN-5 demonstrated 0.46 and 1.61 LMHB pure water permeability and 0.41 and 1.42 LHM salt permeability, respectively. Thus, the developed membrane can help in overcoming the current challenges associated with TFC FO membranes for PW treatment processes.

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Polymer-based nano-enhanced forward osmosis membranes

Cited by 6 publications

References 78 publications

State-of-the-Art Advances and Current Applications of Gel-Based Membranes

State-of-the-Art Advances and Current Applications of Gel-Based Membranes

Two-Dimensional Nanomaterial (2D-NMs)-Based Polymeric Composite for Oil–Water Separation: Strategies to Improve Oil–Water Separation

Date Palm Tree Leaf-Derived Cellulose Nanocrystal Incorporated Thin-Film Composite forward Osmosis Membranes for Produced Water Treatment

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