Upscaling polyPOSS-imide membranes for high temperature H2 upgrading

Ansaloni, Luca; Louradour, E.; Radmanesh, Farzaneh; Veen, H. van der; Pilz, Monika; Simon, Christian; Benes, Nieck E.; Peters, Thijs

doi:10.1016/j.memsci.2020.118875

Cited by 17 publications

(19 citation statements)

References 23 publications

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“…Several classes of polymers have been used for gas separation. Among them, polyimides (PIs) based on 4,4 -(hexafluoroisopropylidene) diphthalic anhydride (6FDA) are emerging for various applications and are the most common used polymeric membranes due to their thermal stability, self-standing, acid resistance, and CO 2 affinity [3][4][5][6]. However, PIs with higher selectivity generally have lower permeability and vice versa [7], which was first proposed by Robeson [8] and named as "trade-off" relationship [9].…”

Section: Introductionmentioning

confidence: 99%

“All Polyimide” Mixed Matrix Membranes for High Performance Gas Separation

Zheng

Zhang

et al. 2021

Polymers

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To improve the interfacial compatibility of mixed matrix membranes (MMMs) for gas separation, microporous polyimide particle (AP) was designed, synthesized, and introduced into intrinsic microporous polyimide matrix (6FDA-Durene) to form “all polyimide” MMMs. The AP fillers showed the feature of thermal stability, similar density with polyimide matrix, high porosity, high fractional free volume, large microporous dimension, and interpenetrating network architecture. As expected, the excellent interfacial compatibility between 6FDA-Durene and AP without obvious agglomeration even at a high AP loading of 10 wt.% was observed. As a result, the CO2 permeability coefficient of MMM with AP loading as low as 5 wt.% reaches up to 1291.13 Barrer, which is 2.58 times that of the pristine 6FDA-Durene membrane without the significant sacrificing of ideal selectivity of CO2/CH4. The improvement of permeability properties is much better than that of the previously reported MMMs, where high filler content is required to achieve a high permeability increase but usually leads to significant agglomeration or phase separation of fillers. It is believed that the excellent interfacial compatibility between the PI fillers and the PI matrix induce the effective utilization of porosity and free volume of AP fillers during gas transport. Thus, a higher diffusion coefficient of MMMs has been observed than that of the pristine PI membrane. Furthermore, the rigid polyimide fillers also result in the excellent anti-plasticization ability for CO2. The MMMs with a 10 wt.% AP loading shows a CO2 plasticization pressure of 300 psi.

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Section: Introductionmentioning

confidence: 99%

“All Polyimide” Mixed Matrix Membranes for High Performance Gas Separation

Zheng

Zhang

et al. 2021

Polymers

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“…In a recent study, we have evaluated the potential of these novel polyPOSS-imide membranes for the recovery of H 2 from industrial gaseous streams, more specifically the performance in coke oven gas (COG) streams was investigated [5]. Herein, the mixed gas permeation performance was also reported for the first time for these membranes.…”

Section: Introductionmentioning

confidence: 99%

“…Herein, the mixed gas permeation performance was also reported for the first time for these membranes. Also, aiming at upscaling the membrane fabrication, tubular single channel and multichannel element membranes were prepared, using commercial POSS nanostructures and 6FDA as precursors [5]. At 300 C and 10 bar, hydrogen and methane permeance are 2610 and 148 GPU, respectively, resulting in a H 2 /CH 4 selectivity of approximately 18.…”

Section: Introductionmentioning

confidence: 99%

“…For the same temperature and pressure, the obtained H 2 /CO 2 and H 2 /N 2 selectivity are 7.6 and 16, respectively. Mixed gas conditions were also investigated, showing minor deviation of the H 2 permeance compared to the ideal case [5]. Also, lower separation factors were obtained in gas mixtures, but such decrease was related to the difference between a material and a module performance, rather than to a real drop of the actual separation efficiency.…”

Section: Introductionmentioning

confidence: 99%

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Stability Investigation of Polyposs-Imide Membranes for H2 Purification and Their Application in the Steel Industry

Louradour¹,

Radmanesh

Dijkstra

et al. 2021

SSRN Journal

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“…IL-PSf/POSS membranes displayed an increase in selectivity for CO 2 /N 2 of about 24.12, and a CO 2 permeance of 34.98 GPU.Optimizing the content of POSS can also improve CO 2 /H 2 separation. Ansaloni et al fabricated ammonium chloride-functionalized POSS with 6FDA reactive precursors for tubular and disk polyPOSS-imide membranes[182]. Pure and mixed gas tests in N 2 , CH 4 , H 2 and CO 2 showed that polyPOSS-imide had a CO 2 /N 2 selectivity of 18.…”

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confidence: 99%

Recent Advances in Polymer-Inorganic Mixed Matrix Membranes for CO2 Separation

Liu

Wong

et al. 2021

Polymers

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Since the second industrial revolution, the use of fossil fuels has been powering the advance of human society. However, the surge in carbon dioxide (CO2) emissions has raised unsettling concerns about global warming and its consequences. Membrane separation technologies have emerged as one of the major carbon reduction approaches because they are less energy-intensive and more environmentally friendly compared to other separation techniques. Compared to pure polymeric membranes, mixed matrix membranes (MMMs) that encompass both a polymeric matrix and molecular sieving fillers have received tremendous attention, as they have the potential to combine the advantages of both polymers and molecular sieves, while cancelling out each other’s drawbacks. In this review, we will discuss recent advances in the development of MMMs for CO2 separation. We will discuss general mechanisms of CO2 separation in an MMM, and then compare the performances of MMMs that are based on zeolite, MOF, metal oxide nanoparticles and nanocarbons, with an emphasis on the materials’ preparation methods and their chemistries. As the field is advancing fast, we will particularly focus on examples from the last 5 years, in order to provide the most up-to-date overview in this area.

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Upscaling polyPOSS-imide membranes for high temperature H2 upgrading

Cited by 17 publications

References 23 publications

“All Polyimide” Mixed Matrix Membranes for High Performance Gas Separation

“All Polyimide” Mixed Matrix Membranes for High Performance Gas Separation

Stability Investigation of Polyposs-Imide Membranes for H2 Purification and Their Application in the Steel Industry

Recent Advances in Polymer-Inorganic Mixed Matrix Membranes for CO2 Separation

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