Gas separation with mixed matrix membranes obtained from MOF UiO-66-graphite oxide hybrids

Castarlenas, Sonia; Téllez, Carlos; Coronas, Joaquı́n

doi:10.1016/j.memsci.2016.12.041

Cited by 157 publications

(87 citation statements)

References 37 publications

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“…UiO‐66–NH 2 nanoparticles can be homogeneously dispersed in the membrane, and their internal pores can be connected to PIM‐1 micropores to construct the interconnected micropore network in MMMs, thereby eliminating the interfacial voids. Other UiO‐66‐based fillers, including UiO‐66–GO hybrid, ZIF‐8@UiO‐66–NH 2 hybrid, Ti‐exchanged UiO‐66, UiO‐66(Hf)–(OH) 2 , etc., have been proven to be effective in improving the separation performance of pure polymeric membranes.…”

Section: Choices Of Advanced Porous Materialsmentioning

confidence: 99%

Advanced Porous Materials in Mixed Matrix Membranes

et al. 2018

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Membrane technology has gained great interest in industrial separation processing over the past few decades owing to its high energy efficiency, small capital investment, environmentally benign characteristics, and the continuous operation process. Among various types of membranes, mixed matrix membranes (MMMs) combining the merits of the polymer matrix and inorganic/organic fillers have been extensively investigated. With the rapid development of chemistry and materials science, recent studies have shifted toward the design and application of advanced porous materials as promising fillers to boost the separation performance of MMMs. Here, first a comprehensive overview is provided on the choices of advanced porous materials recently adopted in MMMs, including metal-organic frameworks, porous organic frameworks, and porous molecular compounds. Novel trends in MMMs induced by these advanced porous fillers are discussed in detail, followed by a summary of applying these MMMs for gas and liquid separations. Finally, a concise conclusion and current challenges toward the industrial implementation of MMMs are outlined, hoping to provide guidance for the design of high-performance membranes to meet the urgent needs of clean energy and environmental sustainability.

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Section: Choices Of Advanced Porous Materialsmentioning

confidence: 99%

Advanced Porous Materials in Mixed Matrix Membranes

et al. 2018

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“…In the near future, molecular hydrogen will become an important fuel, as it is composed of the lightest element we have ever known, and it provides a high combustion heat . Furthermore, hydrogen fuel is environmentally friendly because the only product of its combustion is pure water . According to recent studies, one of the biggest challenges of utilizing hydrogen fuel is its storage .…”

Section: Gas Separation and Storagementioning

confidence: 99%

“…In a further gas separation test for H 2 and CH 4 , there was an evident enhancement in both the selectivity and permeability of the membranes obtained from the UiO‐66‐GO hybrids. The reasons for this enhancement may be the exfoliation of GO and the addition of defects in the hybrid layers, which further caused its superior gas separation …”

Section: Gas Separation and Storagementioning

confidence: 99%

Metal‐Organic Frameworks/Graphene‐Based Materials: Preparations and Applications

Zheng

Xue

et al. 2018

Adv Funct Materials

253

107

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Metal-organic frameworks (MOFs), a new class of crystalline porous materials, can be applied in many fields as adsorbents, supercapacitors, catalysts, and so on because of, among others, their superior properties of large surface area, tunable pore size, diverse structures. However, the low stability and selectivity of traditional MOFs indicate that they are not the best configuration for the applications outlined above. In this case, a type of composite made from an assembly of graphene-based materials and MOFs that exhibits the advantages of the parent materials has attracted widespread attention in recent years. This review provides an overview of the recent developments of MOF/graphene-based materials, focusing on their applications in gas separation/storage, water purification, chemical sensors, batteries, supercapacitors, and catalysts, as well as their preparation methods.The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adfm.201804950. traditional method, they can be excellent alternatives of single MOFs to overcome the above-mentioned difficulties. [34][35][36][37][38] Graphene-based materials have recently introduced new possible applications because of their unique structure and low toxicity, as well as their excellent electronic, thermal, electrochemical, and mechanical properties. [39] More recently, many reports have confirmed that the introduction of graphene-based materials into other materials can lead to surprising improvements in electronic conductivity and stability. [38,40] Under these circumstances, it is reasonable to consider whether composites made from the assembly of graphene-based materials and MOFs possess extraordinary characteristics given that the parent materials have complementary properties. [40][41][42] Naturally, the idea of hybridizing graphene derivatives with MOFs materialized and soon attracted widespread attention. [43][44][45] According to recent research, composites of MOF/graphene-based materials can integrate the advantages and mitigate the shortcomings of the individual components perfectly, enabling the composites to possess improved stability, enhanced electrical conductivity, high selectivity, and template effects. [34,[46][47][48][49] With the combination of MOF and graphene-based materials, the unexpected interactions take place and bring unique performance in many applications. Thanks to the ionic groups and the aromatic sp 2 domains, graphene-based materials can not only function as structural nodes, but also participate in bonding interactions, which would be more active in MOFs. What's more, carboxylate and pyridine groups of graphene-based materials play important part in the assemble, which could enhance the coordination bonding and guide the growth of MOF, providing a more beneficial structure. These special interactions are unique in MOF/graphenebased materials, which indicates that this kind of materials deserve more attention. As concluded in Scheme 1, the addition of graphene-based material...

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“…To overstep the Robeson's upper bound limit, MMMs have been fabricated . The membrane properties have been changed by the incorporation of inorganic fillers, providing improved separation performance when compared with pure polymeric membranes.…”

Section: Introductionmentioning

confidence: 99%

Magnetic nanoFe₂O₃ – incorporated PEBA membranes for CO₂/CH₄ and CO₂/N₂ separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations

2019

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Mixed matrix membranes (MMMs) comprised of organic selective polymers and inorganic nano‐particles under the name of fillers have attracted much attention in the field of gas separation. In this study, poly (amide‐6‐b‐ethylene oxide) [PEBA]/Fe2O3 mixed matrix membranes were prepared using the dry phase separation technique with ethanol / water (70/30 wt%) as solvent. Various amount of Fe2O3 nanoparticles were chosen to disperse within the polymer matrix (0, 0.5, 1, 1.5 and 2 wt% of polymer). To prepare this type of novel membrane, a magnetic field of 0.3 T was used to align the position of NPs. The structural properties and surface morphology of prepared membranes were characterized by field emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM). Field emission scanning electron microscopy analysis was also used to study the physical bonding. Phase identification and crystallinity, effective area, and distribution of pore size were investigated by X‐ray diffraction (XRD) and Brunauer–Emmett–Teller (BET) analysis. Carbon dioxide permeability through these membranes increased with pressure in the range of 2 to 14 bar. Magnetic membrane loaded with 1.5 wt% of Fe2O3 gave the best performance: CO2 permeability, CO2/CH4, and CO2/N2 selectivity were enhanced by 30, 42 and 81%, compared to a pure membrane, respectively. The results indicated that the magnetic MMMs gave better separation performance than pure membranes. Molecular simulation has also been used to investigate the structural and transport properties of fabricated membranes. Structural characterizations like radial distribution function (RDF), fractional free volume (FFV), and X‐ray diffraction were applied to the simulated membrane cells. Grand canonical Monte Carlo (GCMC) and molecular dynamic (MD) simulations, were used to calculate the selectivity and diffusivity of membranes. Results from experimental tests and simulation runs revealed that the selectivity and permeability of fabricated and simulated membranes are consistent. © 2019 Society of Chemical Industry and John Wiley & Sons, Ltd.

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Gas separation with mixed matrix membranes obtained from MOF UiO-66-graphite oxide hybrids

Cited by 157 publications

References 37 publications

Advanced Porous Materials in Mixed Matrix Membranes

Advanced Porous Materials in Mixed Matrix Membranes

Metal‐Organic Frameworks/Graphene‐Based Materials: Preparations and Applications

Magnetic nanoFe₂O₃ – incorporated PEBA membranes for CO₂/CH₄ and CO₂/N₂ separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations

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Gas separation with mixed matrix membranes obtained from MOF UiO-66-graphite oxide hybrids

Cited by 157 publications

References 37 publications

Advanced Porous Materials in Mixed Matrix Membranes

Advanced Porous Materials in Mixed Matrix Membranes

Metal‐Organic Frameworks/Graphene‐Based Materials: Preparations and Applications

Magnetic nanoFe2O3 – incorporated PEBA membranes for CO2/CH4 and CO2/N2 separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations

Contact Info

Product

Resources

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Magnetic nanoFe₂O₃ – incorporated PEBA membranes for CO₂/CH₄ and CO₂/N₂ separation: experimental study and grand canonical Monte Carlo and molecular dynamics simulations