| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Budd, Peter M.
University of Manchester
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2024Mixed matrix and thin-film nanocomposite membranes of PIM-1 and hydrolyzed PIM-1 with Ni- and Co-MOF-74 nanoparticles for CO2 separation: Comparison of blending, grafting and crosslinking fabrication methodscitations
- 2024Stiffening and softening of freshly prepared and aged CTA, PTMSP, and PIM‐1 films exposed to volatile compounds
- 2024High gas permeability in aged superglassy membranes with nanosized UiO-66−NH2/cPIM-1 network fillerscitations
- 2023CO2 separation using thin film composite membranes of acid-hydrolyzed PIM-1citations
- 2022Porous silica nanosheets in PIM-1 membranes for CO2 separationcitations
- 2022Thin film nanocomposite membranes of PIM-1 and graphene oxide/ZIF-8 nanohybrids for organophilic pervaporationcitations
- 2021Electrospun Adsorptive Nanofibrous Membranes from Ion Exchange Polymers to Snare Textile Dyes from Wastewatercitations
- 2021Electrospun Adsorptive Nanofibrous Membranes from Ion Exchange Polymers to Snare Textile Dyes from Wastewatercitations
- 2021PIM-1/Holey Graphene Oxide Mixed Matrix Membranes for Gas Separation: Unveiling the Role of Holescitations
- 2020Superglassy Polymers to Treat Natural Gas by Hybrid Membrane/Amine Processes: Can Fillers Help?citations
- 2020Graphene–PSS/L-DOPA nanocomposite cation exchange membranes for electrodialysis desalinationcitations
- 2019Electrostatically-coupled graphene oxide nanocomposite cation exchange membranecitations
- 2018Impeded physical aging in PIM-1 membranes containing graphene-like fillerscitations
- 2018Graphene oxide – polybenzimidazolium nanocomposite anion exchange membranes for electrodialysiscitations
- 2018Ultrahigh-permeance PIM-1 based thin film nanocomposite membranes on PAN supports for CO 2 separationcitations
- 2018Ultrahigh-permeance PIM-1 based thin film nanocomposite membranes on PAN supports for CO2 separationcitations
- 2018Graphene/Polyamide Laminates for Supercritical CO 2 and H 2 S Barrier Applications: An Approach toward Permeation Shutdowncitations
- 2018Graphene/Polyamide Laminates for Supercritical CO2 and H2S Barrier Applications: An Approach toward Permeation Shutdowncitations
- 2017Enhanced organophilic separations with mixed matrix membranes of polymers of intrinsic microporosity and graphene-like fillerscitations
- 2016Synthesis and characterization of composite membranes made of graphene and polymers of intrinsic microporositycitations
- 2005Polymerization and carbonization of high internal phase emulsionscitations
- 2004Polymers of intrinsic microporosity (PIMs): Robust, solution-processable, organic nanoporous materialscitations
Places of action
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article
Graphene–PSS/L-DOPA nanocomposite cation exchange membranes for electrodialysis desalination
Abstract
This research reports the fabrication of nanocomposite cation exchange membranes (CEMs) by incorporating negatively charged graphene-based nanomaterials into a non-charged poly(vinylidene fluoride) (PVDF) matrix using a mold-casting technique developed in-house. Graphene oxide (GO) or reduced graphene oxide (rGO) nanosheets were modified into ion exchange group carriers using a sulfonic group-bearing agent based on poly(sodium 4-styrenesulfonate)/3,4-dihydroxy-L-phenylalanine (PSS/L-DOPA) (SGO or SrGO). Such modified nanosheets provide the ion exchange capabilities in SGO/PVDF and SrGO/PVDF nanocomposite CEMs, respectively. Both nanocomposite CEMs displayed lower linear swelling ratios which are good for membrane stability. This was due to the presence of the nanomaterials which acted as pore fillers and increased the stiffness of the nanocomposite membranes. The ion exchange capacity (IEC) and permselectivity of the SGO/PVDF_45 CEMs were slightly higher than the values for the SrGO/PVDF_45 CEM. It was found that the SrGO additive increased the area resistance of the nanocomposite CEM. However, SrGO/PVDF_45 CEM demonstrated a higher current efficiency (7.5% higher than SGO/PVDF_45), which could be attributed to the improved electronic conductivity of rGO. It was found that both nanocomposite CEMs performed well in electrodialysis experiments to achieve the substantial salt removal rates, although the energy consumption results of the novel nanocomposite CEMs were higher than the conventional polymeric CEM. The above research results have successfully demonstrated the concept of fabricating nanocomposite cation exchange membranes (CEMs) for electrodialysis applications by employing negatively charged graphene-based nanomaterials as ion exchange carriers.