DBU-Based Ionic Liquid Grafted SBA-15 Dual-Functional Catalyst for the Cycloaddition Reaction of CO2 and Epoxide

Sun, Jianfei; Li, Zhuojian; Li, Xintong; Xue, Mantong; Yin, Jinling

doi:10.1007/s10562-021-03840-0

Cited by 6 publications

(2 citation statements)

References 33 publications

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“…The pore size control of the surface of the hollow α-Al 2 O 3 ceramic tube was carried out by a sol–gel method. − The preparation process includes four steps: cutting the tube, sealing both ends, preparing the sol, and modifying the membrane layer. First of all, commercially purchased α-Al 2 O 3 ceramic base films were cut into lengths of 50 mm, soaked in 50 mL of absolute ethanol for 24 h, washed repeatedly with ethanol and water, and dried at 100 °C for 12 h for use.…”

Section: Methodsmentioning

confidence: 99%

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO₂

Sun

et al. 2022

Ind. Eng. Chem. Res.

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Developing a scalable and modular combination of known technologies to construct defect-free ionic liquid membranes for CO2 capture and utilization is a sustainable chemical process requirement, instead of traditional membranes with a trade-off between permeability and selectivity. Herein, we report Bmim Cl supported on surface nanochannel tubular ceramic tubes by rapid thermal deposition and vacuum suction and fabricated high specific surface area membranes enabling thermocatalytic CO2 cycloaddition reaction with propylene oxide in a membrane reactor. The Bmim Cl membrane infiltrated the confined pores at a depth of about 85.58 μm and precisely accommodated a sufficient amount of active sites combined with the porous overcoating, which helps to mediate the reaction. Also, the optimization of different feeding modes was carried out by a quantitative comparison of continuous membrane catalysis and identification of surmountable obstacles, such as possible accumulation of high-boiling products and membrane stability, and different test conditions were evaluated to determine the critical influencing factors. This work may stimulate innovative energy-efficient integration techniques and design paradigms for advanced membranes.

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Section: Methodsmentioning

confidence: 99%

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO₂

Sun

et al. 2022

Ind. Eng. Chem. Res.

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“…However, CO 2 is also considered an abundant, nontoxic, and renewable C1 resource. One of the typical feasible routes is the synthesis of industrial product five-membered cyclic carbonates by the cycloaddition of CO 2 to epoxides. − ,,, A lot of effort has focused on accomplishing this reaction in an autoclave using heterogeneous catalysts. Recently, continuous flow catalysis attracted considerable attention due to various advantages compared to the traditional mixing of catalysts within the reaction mixture.…”

Section: Introductionmentioning

confidence: 99%

Nanoconfinement Ionic Liquid Membranes for Efficient Flow Catalytic CO₂ Cycloaddition

Sun

et al. 2022

ACS Sustainable Chem. Eng.

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Developing a novel nanocomposite membrane with reaction and separation integrated into one unit to catalyze CO 2 cycloaddition is an alternative but challenging solution for mitigating current CO 2 excess emissions. In this context, a series of supported ionic liquid membranes were prepared on modified alumina supports with intrinsic nanopores by thermally induced phase transition method, and ILs infiltrate the nanochannels and wet the top layer where liquid crystals grow into highly distributed thin layers of catalytic sites. Additionally, the morphology, thickness, and ingredient of the membrane layers were characterized by scanning electron microscopy (SEM) and Fourier transform Infrared (FT-IR) spectroscopy, and a membrane reactor with the concept of forced flow-through was constructed to catalyze the CO 2 and PO reactions. Under the optimized conditions, the PO conversion rate was stable at about 82.75%, and the maximum STY could reach 38.28 mmol PC•g•cat −1 •h −1 using the [HDBU] Cl membrane.

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Fabrication of Si-propyl-functionalized 4,4′-bipyridine-1,1ʹ-diium bisulfate tetrachloroferrate anchored to rice husk-derived nano-silica and its utility for the construction of N,N′-alkylidene bisamides

Zare,

Izadi

2025

Res Chem Intermed

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DBU-Based Ionic Liquid Grafted SBA-15 Dual-Functional Catalyst for the Cycloaddition Reaction of CO2 and Epoxide

Cited by 6 publications

References 33 publications

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO₂

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO₂

Nanoconfinement Ionic Liquid Membranes for Efficient Flow Catalytic CO₂ Cycloaddition

Fabrication of Si-propyl-functionalized 4,4′-bipyridine-1,1ʹ-diium bisulfate tetrachloroferrate anchored to rice husk-derived nano-silica and its utility for the construction of N,N′-alkylidene bisamides

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DBU-Based Ionic Liquid Grafted SBA-15 Dual-Functional Catalyst for the Cycloaddition Reaction of CO2 and Epoxide

Cited by 6 publications

References 33 publications

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO2

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO2

Nanoconfinement Ionic Liquid Membranes for Efficient Flow Catalytic CO2 Cycloaddition

Fabrication of Si-propyl-functionalized 4,4′-bipyridine-1,1ʹ-diium bisulfate tetrachloroferrate anchored to rice husk-derived nano-silica and its utility for the construction of N,N′-alkylidene bisamides

Contact Info

Product

Resources

About

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO₂

Integrated Hierarchical Inorganic Support Ionic Liquid Membrane for Scalable Utilization of CO₂

Nanoconfinement Ionic Liquid Membranes for Efficient Flow Catalytic CO₂ Cycloaddition