Metal–organic framework technologies for water remediation: towards a sustainable ecosystem

Mon, Marta; Bruno, Rosaria; Ferrando-Soria, Jesús; Armentano, Donatella; Pardo, Emilio

doi:10.1039/c8ta00264a

Cited by 426 publications

(222 citation statements)

References 337 publications

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“…[14][15][16] These have enable MOFs to find applications in such diverse fields as gas adsorption and separation, [17][18][19][20] catalysis, 21,22 molecular recognition processes, 23,24 drug delivery, 25,26 magnetism 27,28 and water remediation. [29][30][31] However, this has not been the case for MOFs constructed from one-dimensional (1D) rod-like Secondary Building Units (SBUs). 32 Despite the thrilling physical properties exhibited by rod MOFs, 18,[33][34][35] the efforts to implement efficient design strategies to target them have been scarce, and the most common method has been based on trial and error assays.…”

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confidence: 99%

Toward Engineering Chiral Rodlike Metal–Organic Frameworks with Rare Topologies

et al. 2018

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The establishment of novel design strategies to target chiral rodlike MOFs, elusively faced until now, is one of the most straightforward manners to widen the scope of MOFs. Here we describe our last advances on the application of the metalloligand design strategy towards the development of efficient routes to obtain chiral rodlike MOFs. To this end, we have used as precursor an enantiopure homochiral hexanuclear wheel (1), derived from the amino acid Dvaline, which after a supramolecular reorganization into a one-dimensional homochiral chain -with the same configuration as 1 -lead to the formation of an homochiral rodlike MOF (2) exhibiting rare etd topology. II 6[(R)-valma])6} · 7H2O (1) [where (R)-valma = (R)-N-(ethyl oxoacetate)valine] (Figure 1 and Scheme S1, Supporting Information) as a chiral preformed metalloligand.

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confidence: 99%

Toward Engineering Chiral Rodlike Metal–Organic Frameworks with Rare Topologies

et al. 2018

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“…[67] Advances in the design and development of highly efficient adsorbentsh ave intensified in the recent years. Different literature reports and critical reviewsa ddress the applicationo fd ifferenta dsorbents for water contaminantc apturei ncluding activatedc arbon, [68] carbon nanomaterials (graphene, fullerenes, nanotubes), [69] zeolites, [70] inorganic materials (e.g.,M oS 2 , [71] CeO 2 ), [72] metal-organic frameworks (MOFs), [73][74][75] molecularly imprinted polymers (MIPs), [76,77] porous organic polymers (POPs), [78][79][80] andh ybrid membranes. [81] Activated carbon is one of the most reported commercially availablem aterials for removing pollutantsf rom water, [68,69] since it is inexpensive and features large surfacearea.…”

Section: Adsorption In Watermentioning

confidence: 99%

Tailoring Covalent Organic Frameworks To Capture Water Contaminants

Fernandes

Romero

Espiña

et al. 2019

Chemistry A European J

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Covalent organic frameworks (COFs) are attractive materials receiving increasing interest in the literature due to their crystallinity, large surface area, and pore uniformity. Their properties can be tailored towards specific applications by judicious design of COF building blocks, giving access to tailor‐made pore sizes and surfaces. In this Concept article, developments in the field of COFs that have allowed these materials to be explored for contaminant adsorption are discussed. Strategies to obtain water‐stable materials with highly ordered structures and large surface areas are reviewed. Post‐synthetic modification approaches, by which pore surfaces can be tuned to target specific contaminants, are described. Recent advances in COF formulations, crucial for future implementation in adsorption devices, are highlighted. At the end, future challenges which need to be addressed to allow for the deployment of COFs for the capture of water contaminants will be discussed.

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“…[3] Anionic ion-exchange with cationic solid hosts has been considered to be aconvenient and highly efficient technology toward oxyanions removal. [4] Diverse materials with cationic frameworks such as anion-exchange resins (AER), [5] cationic metal-organic frameworks (MOFs), [6] cationic polymeric network (CPN), [7] and cationic covalent organic frameworks (COFs) [8] have been developed for the removal of harmful oxyanions. However,d ue to the organic components,m ost of these sorbents suffer from poor thermal and chemical stability,and limited robustness.…”

Section: Introductionmentioning

confidence: 99%

A Layered Cationic Aluminum Oxyhydroxide as a Highly Efficient and Selective Trap for Heavy Metal Oxyanions

et al. 2020

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Cationic framework materials,e specially pure inorganic cationic frameworks that can efficiently and selectively capture harmful heavy metal oxyanions from aqueous solution are highly desired yet scarcely reported. Herein, we report the discovery of a2Dcationic aluminum oxyhydroxide, JU-111, whichsets anew benchmark for heavy metal oxyanion sorbents,especially for Cr VI .Its structure was solved based on 3D electron diffraction tomography data. JU-111 shows fast sorption kinetics (ca. 20 min), high capture capacity (105.4 mg g À1), and broad working pH range (3-10) toward Cr VI oxyanions.U nlike layered double hydroxides (LDHs), which are poorly selective in the presence of CO 3 2À ,J U-111 retains excellent selectivity for Cr VI even under alarge excess of CO 3 2À .These superior features coupled with the ultra-low cost and environmentally benign nature make JU-111 ap romising candidate for toxic metal oxyanion remediation as well as other potential applications.

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Metal–organic framework technologies for water remediation: towards a sustainable ecosystem

Abstract: Having access to clean water is a mandatory requirement for the proper development of living beings.

Cited by 426 publications

References 337 publications

Toward Engineering Chiral Rodlike Metal–Organic Frameworks with Rare Topologies

Toward Engineering Chiral Rodlike Metal–Organic Frameworks with Rare Topologies

Tailoring Covalent Organic Frameworks To Capture Water Contaminants

A Layered Cationic Aluminum Oxyhydroxide as a Highly Efficient and Selective Trap for Heavy Metal Oxyanions

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