Ordered mesoporous silica matrices supported ionic liquids for efficient CO2 separation from CO2/CH4 gas mixture: Experimental and theoretical investigation

Pandey, K. Deepak; Jadav, Divya; Patil, Tushar; Dharaskar, Swapnil; Tsunoji, Nao; Kumar, Rajesh; Singh, Kasturi; Bandyopadhyay, Mahuya

doi:10.1016/j.molliq.2022.120569

Cited by 16 publications

(4 citation statements)

References 70 publications

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“…For the purpose of collecting intensity data for [Cd 2 (DBrTPA) 2 (DMF) 3 ], MUT-11, an Oxford Diffraction Super-Nova CCD diffractometer, which employed Mo-Kα radiation (λ = 0.71075 Å), was utilized. The temperature was maintained at 130.01 (10) K during the data collection using a cooling device from Oxford Cryosystems. Based on data from single crystals, the Xray diffraction (XRD) powder pattern was simulated using Mercury software.…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, it is a vital issue to develop new materials that can efficiently store and separate CO 2 gas with suitable particle size, high porosity, and stability. The CO 2 adsorption and separation on zeolites, active carbons, aluminophosphates, clays, mesoporous molecular sieves, covalent organic frameworks (COFs), and metal–organic frameworks (MOFs) have attracted the attention of many scientists. − It is a commonly accepted fact that separating CO 2 from other gas molecules, such as CH 4 or N 2 , is challenging due to the slight difference in their molecular sizes. The molecular-level design and modification of materials to regulate pore size is a challenging task, and therefore, the development of separation materials with a high affinity for CO 2 is pursued as a more feasible approach.…”

Section: Introductionmentioning

confidence: 99%

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Computational Simulation of CO₂/CH₄ Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Parsaei

Akhbari

Kawata

2023

Crystal Growth & Design

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Natural gas purification and biogas recovery require efficient separation of CO2 from CH4, as CH4 is increasingly being recognized as a promising substitute for petroleum due to its environmentally sustainable nature, abundance in natural resources, and economic benefits. In the present work, a 3D Cd-based metal–organic framework, [Cd2(DBrTPA)2(DMF)3] (MUT-11) 2,5-[dibromoterephthalic acid (DBrTPA) and dimethyl formamide (DMF)] was synthesized using a combination of different synthetic methods and fully characterized via several techniques. Additionally, a variety of organic solvents were employed to perform the solvent stability test. The MUT-11 structure was subjected to Grand Canonical Monte Carlo and molecular dynamics simulations to study the adsorption characteristics of CO2 and CH4 gases in both pure and binary states. The results acquired through the simulation-based analysis revealed that the adsorption of CO2 is dominant in all pressure and temperature conditions.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Computational Simulation of CO₂/CH₄ Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Parsaei

Akhbari

Kawata

2023

Crystal Growth & Design

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“…15 MMMs also provide improvements in mechanical strength, chemical stability, and thermal stability relative to pristine polymeric membranes. 16 Numerous fillers have already been evaluated for use in MMMs, including zeolites, [17][18][19][20] silicas, [21][22][23][24] carbon nanotubes, [25][26][27][28] metal-organic frameworks (MOFs), [29][30][31][32][33] among others. For the first time, 34 we documented the utilization of synthetic silico-metallic mineral particles (SSMMP) in MMMs, which are also known as precursors to synthetic talc.…”

Section: Introductionmentioning

confidence: 99%

“…Numerous fillers have already been evaluated for use in MMMs, including zeolites, 17–20 silicas, 21–24 carbon nanotubes, 25–28 metal–organic frameworks (MOFs), 29–33 among others. For the first time, 34 we documented the utilization of synthetic silico‐metallic mineral particles (SSMMP) in MMMs, which are also known as precursors to synthetic talc 35,36 .…”

Section: Introductionmentioning

confidence: 99%

Enhancing CO₂/N₂ and CO₂/CH₄ separation in mixed matrix membrane: A comprehensive study on Pebax®1657 with SSMMP/IL for improved efficiency

Ferrari,

Bernard,

dos Santos

et al. 2024

Polymer Engineering & Sci

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Mixed matrix membranes (MMMs) have been proposed as a solution to surmount Robeson's trade‐off curves and have demonstrated efficacy in gas separation processes, particularly for CO2 capture. In this study, MMMs based on Pebax®1657 were obtained utilizing synthetic silico‐metallic mineral particles (SSMMP) functionalized with ionic liquids (ILs). The objective was to attain enhanced CO2 separation performance, thereby showcasing the potential to mitigate the environmental repercussions of industrial processes that entail greenhouse gas emissions. For membrane production, an ethanol/water mixture was used as solvent, with the SSMMP/IL content varying from 0.5 to 20% by weight of the polymer. The primary aim of this study was to assess the effect of filler addition on permeability and selectivity for CO2, CH4, and N2. Comprehensive analyses, including SEM, FTIR, TGA, DSC, and DMA were conducted to evaluate the properties of the produced membranes. Gas permeability and ideal selectivity were measured at 25°C and different pressures, ranging from 1 to 7 bar. Characterization results demonstrate that the glass transition temperature (Tg) of MMMs increased compared to pure Pebax®1657, indicating that the addition of SSMMP/IL reduces the flexibility of the PEO chains, forming a rigid interface at the polymer/filler, which may enhance selectivity. This effect, corroborated by gas permeation, was observed for both CO2/N2 and CO2/CH4. For CO2/N2, the highest selectivity was achieved at lower filler concentrations, gradually decreasing as the filler load increased. MMM‐0.5 wt% achieved the highest selectivity of 91.96. The membrane CO2 permeability rose with an elevated filler content, rising from 84.21 for pure Pebax®1657 to 192.17 Barrer for MMM‐20 wt% at 4 bar. The permeability results were influenced by the gas diffusion coefficients of the MMMs, which increased with increasing SSMMP/IL content. The effect of feed pressure on MMM‐5 wt% was also assessed, revealing that CO2 permeability increased with increasing pressure, from 126.72 Barrer at 1 bar to 165.56 Barrer at 7 bar. This work showcased the viability of MMMs incorporating SSMMP/IL for industrial use, as they displayed separation capabilities that exceeded the 2008 Robeson upper bound.Highlights Mixed matrix membranes based on Pebax®1657 and SSMMP‐20%‐[bmim][Tf2N] were prepared. CO2 permeability of the MMMs was increased by 128% and CO2/N2 selectivity by 83%. Higher CO2 pressures increase MMMs permeability. The obtained MMMs have separation performances above the Robeson upper Bound.

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Titanium Tetrachloride‐Based Ionic Liquids Immobilized on Mesoporous Fe‐MCM‐41 for the Heterogeneous Cooperative Synthesis of Dihydroquinazolinones

Hu,

Rong,

Chen

et al. 2023

ChemistrySelect

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In this study, we report a successful strategy for the generation of a type of multifunctional heterogeneous supported ionic liquids catalysts. The synthesized supported ionic liquids (Fe‐MCM‐41/IL) were used in the catalytic cyclocondensation of 2‐aminobenzamide and various ketones and aldehydes towards the efficient synthesis of the dihydroquinazolinones under green conditions. The influence of the different catalysts and reaction parameters on the catalytic behaviors were sufficiently investigated. The supported catalyst (2)Fe‐MCM‐41/IL(0.6) showed the optimal catalytic efficiency. A hot filtration experiment revealed that the reaction proceeded in a heterogeneous pathway. The catalytic activity of (2)Fe‐MCM‐41/IL(0.6) could be maintained efficiently after recycling up to five consecutive runs under the optimized reaction conditions. Merits of this meticulously designed protocol are the use of novel supported catalyst, easy work‐up process, feasibility and sustainability, indicating its potential industrial application prospect.

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Ordered mesoporous silica matrices supported ionic liquids for efficient CO2 separation from CO2/CH4 gas mixture: Experimental and theoretical investigation

Cited by 16 publications

References 70 publications

Computational Simulation of CO₂/CH₄ Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Computational Simulation of CO₂/CH₄ Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Enhancing CO₂/N₂ and CO₂/CH₄ separation in mixed matrix membrane: A comprehensive study on Pebax®1657 with SSMMP/IL for improved efficiency

Titanium Tetrachloride‐Based Ionic Liquids Immobilized on Mesoporous Fe‐MCM‐41 for the Heterogeneous Cooperative Synthesis of Dihydroquinazolinones

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Ordered mesoporous silica matrices supported ionic liquids for efficient CO2 separation from CO2/CH4 gas mixture: Experimental and theoretical investigation

Cited by 16 publications

References 70 publications

Computational Simulation of CO2/CH4 Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Computational Simulation of CO2/CH4 Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Enhancing CO2/N2 and CO2/CH4 separation in mixed matrix membrane: A comprehensive study on Pebax®1657 with SSMMP/IL for improved efficiency

Titanium Tetrachloride‐Based Ionic Liquids Immobilized on Mesoporous Fe‐MCM‐41 for the Heterogeneous Cooperative Synthesis of Dihydroquinazolinones

Contact Info

Product

Resources

About

Computational Simulation of CO₂/CH₄ Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Computational Simulation of CO₂/CH₄ Separation on a Three-Dimensional Cd-Based Metal–Organic Framework

Enhancing CO₂/N₂ and CO₂/CH₄ separation in mixed matrix membrane: A comprehensive study on Pebax®1657 with SSMMP/IL for improved efficiency