Metal–Organic Frameworks for Water Desalination

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(43)

Published: Aug. 8, 2023

Abstract Rapid industrialization and ever‐increasing global population culminate in continuous upsurge freshwater crisis worldwide. The most reliable promising solution to this is utilizing sea‐water as the source, desalination technologies pave way for efficient production of from sea‐water. In regard, membrane‐based method comes forth owing its' separation, operational ease, low‐energy consumption. Metal–organic frameworks (MOFs), explored crystalline porous materials, show tremendous promise membrane‐materials their structural diversity, tunability, voids which provide secondary water channels. Given significant advances are made MOF‐materials past few years, it crucial systematically summarize recent progress development field. review, a brief overview various saline systems prerequisites first presented. Then, advanced fabrication strategies MOF‐membranes followed by processes such reverse osmosis forward summarized. Finally, authors’ perspectives on unsolved scientific technical challenges opportunities MOF‐integrated membranes toward real‐world implementation proposed. With further systematic development, an ideal platform next‐generation technology.

Language: Английский

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Adsorptive removal of toxic heavy metals from aquatic environment by metal organic framework (MOF): A review

Journal of Water Process Engineering, Journal Year: 2025, Volume and Issue: 70, P. 106867 - 106867

Published: Jan. 5, 2025

Language: Английский

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In-situ grown ZIF-67@chitosan (ZIF-67@CS) for highly efficient removal of Pb(II) from water

Journal of Solid State Chemistry, Journal Year: 2022, Volume and Issue: 316, P. 123629 - 123629

Published: Sept. 30, 2022

Language: Английский

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A review of covalent organic frameworks for metal ion fluorescence sensing

Chinese Chemical Letters, Journal Year: 2023, Volume and Issue: 35(8), P. 109249 - 109249

Published: Oct. 29, 2023

Language: Английский

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Simultaneous removal of Cs(I) and U(VI) by a novel magnetic AMP@PDA@Fe3O4 composite

Journal of Cleaner Production, Journal Year: 2023, Volume and Issue: 409, P. 137140 - 137140

Published: April 7, 2023

Language: Английский

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Novel Olefin-Linked Covalent Organic Framework with Multifunctional Group Modification for the Fluorescence/Smartphone Detection of Uranyl Ion

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(21), P. 27804 - 27812

Published: May 17, 2024

Monitoring and purification of uranium contamination are great importance for the rational utilization resources maintaining environment. In this work, an olefin-linked covalent organic framework (GC-TFPB) its amidoxime-modified product (GC-TFPB-AO) synthesized with 3-cyano-4,6-dimethyl-2-hydroxypyridine (GC) 1,3,5-tris(4-formylphenyl) benzene (TFPB) by Knoevenagel condensation. GC-TFPB-AO results in specificity rapid fluorescent/smartphone uranyl ion (UO22+) detection based on synergistic effect multifunctional groups (amidoxime, pyridine, hydroxyl groups). features a highly sensitive adsorption UO22+ limit 21.25 nM. addition, it has good recovery (100–111%) fluorescence real samples, demonstrating excellent potential predesigned fluorescent COFs nuclear contaminated wastewater removal.

Language: Английский

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Review of MOFs and their applications in the preparation of loose nanofiltration membranes for dye and salt fractionation

Desalination and Water Treatment, Journal Year: 2024, Volume and Issue: 317, P. 100092 - 100092

Published: Jan. 1, 2024

The improper disposal of unused dyes by various industries is a significant contributor to water pollution. Thus, it very important remove the from water. For treatment dyes, number technologies have been developed, including coagulation/flocculation, adsorption, and chemical oxidation. main drawbacks such techniques are their ineffective secondary pollution control low efficiency. Nanofiltration technology, in comparison, has high removal rate simple use. Due its superior selective separation performance, loose nanofiltration (NF) potential technique for fractionation salts. membranes need be researched developed more. However, MOFs often used preparation till now. So, necessary get know structure, prospect challenges applications membranes. Metal-organic frameworks, known as MOFs, completely novel family hybrid materials adsorbents that comprised organic linkers metal ions or clusters. derivatives shown unprecedented membrane due distinct porosity architectures unique characteristics. They benefits Highly porous, huge area, flexible pore size, strong stability structural composition. This review provides an overview MOF fabrication kinds like; UiO-66, MILs, HKUST-1, ZIFs. discusses MOF-based dye/saltwater separation, highlighting applications. It also modified prospects implementation. While remain, ongoing research advancements hold key unlocking promise based on environmental industrial

Language: Английский

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Mechanistical Insights into the Ultrasensitive Detection of Radioactive and Chemotoxic UO₂²⁺ Ions by a Porous Anionic Co-Metal–Organic Framework

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(22), P. 10403 - 10413

Published: May 18, 2024

Development of a simple, cost-efficient, and portable UO22+ sensory probe with high selectivity sensitivity is highly desirable in the context monitoring radioactive contaminants. Herein, we report luminescent Co-based metal–organic framework (MOF), {[Me2NH2]0.5[Co(DATRz)0.5(NH2BDC)]·xG}n (1), equipped abundant amino functionalities for selective detection uranyl cations. The ionic structure consists two types channels decorated plentiful Lewis basic moieties, which trigger stronger acid–base interaction diffused cationic units thus can selectively quench fluorescence intensity presence other interfering ions. Furthermore, limit sensing was achieved to be as low 0.13 μM (30.94 ppb) rapid responsiveness multiple recyclabilities, demonstrating its excellent efficacy. Density functional theory (DFT) calculations further unraveled preferred binding sites ions tubular channel MOF structure. Orbital hybridization between NH2BDC/DATRz together significantly large electron-accepting ability identified responsible luminescence quenching. More importantly, prepared 1@PVDF {poly(vinylidene difluoride)} mixed-matrix membrane (MMM) displayed good activity comparable 1, great significance their practical employment MOF-based luminosensors real-world application.

Language: Английский

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Harnessing the potential of biochar-based catalysts for sustainable adsorptive and photocatalytic applications: A comprehensive review

Process Safety and Environmental Protection, Journal Year: 2024, Volume and Issue: 189, P. 387 - 413

Published: May 29, 2024

Language: Английский

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Pristine and Postsynthetically Modified UiO-66-NH₂ (Ce) MOF for Efficient Capture of Uranium from Aqueous Solutions

Industrial & Engineering Chemistry Research, Journal Year: 2024, Volume and Issue: 63(25), P. 10892 - 10902

Published: June 12, 2024

Nuclear power is increasingly viewed as a solution to growing global energy demand and challenges posed by climate change. Large-scale extraction of uranium from seawater considered crucial for sustainable nuclear generation. This paper presents the room temperature synthesis UiO-66-NH2 (Ce) MOF its subsequent postsynthetic modification phosphorus-functionalized UiO-66-NHPOPh2 efficient materials capture. The MOFs were thoroughly characterized FT-IR spectroscopy, pXRD, TGA, SEM, BET surface area analysis. influence pH contact time on uptake was systematically investigated. pH-dependent adsorption studies revealed over 95 99% sorption (Ce), respectively, in range 3–9, with maximum observed at 5, mirroring most naturally occurring water bodies. Interestingly, phosphinic-amide-functionalized exhibited higher capacity across wide compared amine functionalized MOF. Uranium kinetics suggests significant (more than 95%) these within 1 min interaction. Moreover, MOF, estimated mg U/g sorbent using Langmuir isotherm model, surpassed that many other reported sorbents. Adsorption conducted tap water, drinking demonstrated real samples. Importantly, be selective presence common competing ions. Desorption various reagents indicated material's potential reuse. Additionally, EXAFS uranium-sorbed samples suggest both lead coordination uranyl(VI) ions, thereby providing mechanism their

Language: Английский

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