Mapping the Cu-BTC metal–organic framework (HKUST-1) stability envelope in the presence of water vapour for CO2 adsorption from flue gases

Al‐Janabi, Nadeen; Hill, Patrick; Torrente‐Murciano, Laura; Garforth, Arthur; Gorgojo, Patricia; Siperstein, Flor R.; Fan, Xiaolei

doi:10.1016/j.cej.2015.07.020

Cited by 287 publications

(204 citation statements)

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“…At lower temperatures at ambient conditions the color of the material is turquoise (Figure S4 and S5). If it is heated up or activated in vacuum the color changes to violet or dark blue due to loss of water . This behavior is reversible at least to some degree and was observed also with the printed HKUST‐1 (Figure S4 and S5).…”

Section: Figurementioning

confidence: 52%

“…HKUST-1 is one of the most intensively studied MOFs due to its ability to adsorb small gas molecules such as H 2 and CO 2 . [26][27][28][29] It has been demonstrated that HKUST-1 is sensitive to moisture and eventually loses its adsorption capabilities due to the collapse of its crystal structure. The water content also has an impact on the appearance of the material.…”

mentioning

confidence: 99%

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Selective Laser Sintering of Metal‐Organic Frameworks: Production of Highly Porous Filters by 3D Printing onto a Polymeric Matrix

et al. 2019

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Metal‐organic frameworks (MOFs) have raised a lot of interest, especially as adsorbing materials, because of their unique and well‐defined pore structures. One of the main challenges in the utilization of MOFs is their crystalline and powdery nature, which makes their use inconvenient in practice. Three‐dimensional printing has been suggested as a potential solution to overcome this problem. We used selective laser sintering (SLS) to print highly porous flow‐through filters containing the MOF copper(II) benzene‐1,3,5‐tricarboxylate (HKUST‐1). These filters were printed simply by mixing HKUST‐1 with an easily printable nylon‐12 polymer matrix. By using the SLS, powdery particles were fused together in such a way that the structure of the printed solid material resembles the structure of a powder bed. The MOF additive is firmly attached only on the surface of partially fused polymer particles and therefore remains accessible to fluids passing through the filter. Powder X‐ray analysis of the printed object confirmed that printing did not have any negative impact on the structure of the MOF. CO2‐adsorption studies also showed that the activity of the MOF was not affected by the printing process. SLS offers a straightforward and easy way to fabricate tailor‐made MOF‐containing filters for practical applications.

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Section: Figurementioning

confidence: 52%

mentioning

confidence: 99%

Selective Laser Sintering of Metal‐Organic Frameworks: Production of Highly Porous Filters by 3D Printing onto a Polymeric Matrix

et al. 2019

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“…S5, † the weight of all samples dropped sharply aer 300 C, which can be attributed to the structural decomposition of Cu-BTC_An crystals. 57 The TGA curves of CuBTC_An exhibited a consistent trend indicating that the amount of added template had no signicant impact on the thermal stability of the hierarchical porous MOFs. In addition, the hierarchical porous MOF products exhibited weight change curves similar to that of C-Cu-BTC during the same thermal treatment, indicating that the as-synthesized hierarchical porous Cu-BTC_An had high thermal stability.…”

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confidence: 79%

Template synthesis of hierarchical porous metal–organic frameworks with tunable porosity

Duan

Zhang

et al. 2017

RSC Adv.

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Hierarchical porous metal-organic frameworks (HP-MOFs) with tunable porosity are highly valuable for many applications. Here, we developed a versatile solvothermal method to synthesize various HP-MOFs, such as Cu-BTC and ZIF-8, by using an organic amine as the template. The resulting HP-MOF products were characterized by a complementary combination of X-ray powder diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, nitrogen adsorption-desorption isotherms, pore size distributions analysis, thermogravimetric analysis, and density functional theory calculations. The results indicated that the obtained HP-MOF products had high thermal stability and contained multimodal hierarchically porous structures with mesopores or macropores interconnected with micropores. In addition, the porosities of the produced HP-MOFs could be easily tuned by controlling the amount of the template. The introduced organic amine served as the template to direct the formation of mesopores and macropores. Furthermore, the synthesis route is highly versatile as other organic amines (e.g., N,N-dimethylhexadecylamine and N,Ndimethyltetradecylamine) can also be used as templates to synthesize HP-MOFs. The method developed in this work may offer a new direction to synthesize various stable HP-MOFs with tunable porosities for a wide range of applications.

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“…[118][119][120] It implies that CO 2 separation should not be affected by the presence of moisture. Depending on the class of adsorption sites, the effect of moisture on the adsorption properties can be different.…”

Section: Figure 11 Volumetric Uptake At Low Pressure Of the Most Promentioning

confidence: 99%

Low concentration CO2 capture using physical adsorbents: Are metal–organic frameworks becoming the new benchmark materials?

Belmabkhout¹,

Guillerm²,

Eddaoudi³

2016

Chemical Engineering Journal

297

168

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KeywordsCO 2 capture, traces CO 2 removal, air capture, physical adsorbents, MOFs AbstractThe capture and separation of traces and concentrated CO 2 from important commodities such as CH 4 , H 2 , O 2 and N 2, is becoming important in many areas related to energy security and environmental sustainability. While trace CO 2 concentration removal applications have been modestly studied for decades, the spike in interest in the capture of concentrated CO 2 was motivated by the need for new energy vectors to replace highly concentrated carbon fuels and the necessity to reduce emissions from fossil fuel-fired power plants. CO 2 capture from various gas streams, at different concentrations, using physical adsorbents, such as activated carbon, zeolites, and metal-organic frameworks (MOFs), is attractive. However, the adsorbents must be designed with consideration of many parameters including CO 2 affinity, kinetics, energetics, stability, capture mechanism, in addition to cost. Here, we perform a systematic analysis regarding the key technical parameters that are required for the best CO 2 capture performance using physical adsorbents. We also experimentally demonstrate a suitable 2 material model of Metal Organic Framework as advanced adsorbents with unprecedented properties for CO 2 capture in a wide range of CO 2 concentration. These recently developed class of MOF adsorbents represent a breakthrough finding in the removal of traces CO 2 using physical adsorption.This platform shows colossal tuning potential for more efficient separation agents.

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Mapping the Cu-BTC metal–organic framework (HKUST-1) stability envelope in the presence of water vapour for CO2 adsorption from flue gases

Cited by 287 publications

References 50 publications

Selective Laser Sintering of Metal‐Organic Frameworks: Production of Highly Porous Filters by 3D Printing onto a Polymeric Matrix

Selective Laser Sintering of Metal‐Organic Frameworks: Production of Highly Porous Filters by 3D Printing onto a Polymeric Matrix

Template synthesis of hierarchical porous metal–organic frameworks with tunable porosity

Low concentration CO2 capture using physical adsorbents: Are metal–organic frameworks becoming the new benchmark materials?

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