Poly (maleic anhydride-alt-1-alkenes) directly grafted to γ-alumina for high-performance organic solvent nanofiltration membranes

Amirilargani, Mohammad; Merlet, Renaud B.; Nijmeijer, Arian; Winnubst, Louis; Smet, Louis C. P. M. de; Sudhölter, Ernst J. R.

doi:10.1016/j.memsci.2018.07.042

Cited by 23 publications

(20 citation statements)

References 42 publications

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“…In toluene, pVNB‐10 mol % only achieved retention of 75% with a permeance of 0.79 L m −2 h −1 bar −1 . These retentions and permeance are lower than those achieved by P84, STARMEM122, and two polymer grafted alumina membranes . These results indicate that pVNB is an interesting material for aliphatic feeds, but more fine‐tuning is needed to increase the permeance in general and also improve retention still in, for example, toluene and chloroform.…”

Section: Resultsmentioning

confidence: 79%

Crosslinked Polyvinylnorbornene‐Based Membranes as a New Class of Solvent‐Resistant Nanofiltration Membranes

Dujardin

Goethem

Steele

et al. 2019

J. Polym. Sci. Part A: Polym. Chem.

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Solvent resistant nanofiltration (SRNF) has received increasing attention since the turn of the century within energyand waste-efficient unit processes. This work explores the synthesis and characterization of crosslinked polynorbornenes for SRNF. A series of polyvinylnorbornene thin-film composite membranes with increasing degree of crosslinking were prepared and tested for their SRNF performance in heptane, chloroform, and toluene. Sudan Black B (457 g mol −1 ) was used as the solute. Then, 99% retention was achieved in heptane, 86% in chloroform, and 75% in toluene. It was further shown that the permeance and retention can be fine-tuned in these solvents by controlling the extent of crosslinking. This work thus introduces the crosslinking of polynorbornenes as a promising material route for SRNF.Additional supporting information may be found in the online version of this article.

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Section: Resultsmentioning

confidence: 79%

Crosslinked Polyvinylnorbornene‐Based Membranes as a New Class of Solvent‐Resistant Nanofiltration Membranes

Dujardin

Goethem

Steele

et al. 2019

J. Polym. Sci. Part A: Polym. Chem.

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“…After the membrane is scoured and dried to remove the crystallized NaCl on the surface, the flux could be completely recovered. Interestingly, for example, Menne et al reported a reusable Al 2 O 3 monolith support for PDADMAC/PSS (poly(sodium 4-styrene sulfonate)) film [ 157 ]. After fouling, the top PDADMAC/PSS layer is removed by sodium hypochlorite (NaOCl) treatment.…”

Section: Ceramic-polymer Composite Membranementioning

confidence: 99%

Ceramic-Polymer Composite Membranes for Water and Wastewater Treatment: Bridging the Big Gap between Ceramics and Polymers

Kotobuki

Zhang

et al. 2021

Molecules

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Clean water supply is an essential element for the entire sustainable human society, and the economic and technology development. Membrane filtration for water and wastewater treatments is the premier choice due to its high energy efficiency and effectiveness, where the separation is performed by passing water molecules through purposely tuned pores of membranes selectively without phase change and additional chemicals. Ceramics and polymers are two main candidate materials for membranes, where the majority has been made of polymeric materials, due to the low cost, easy processing, and tunability in pore configurations. In contrast, ceramic membranes have much better performance, extra-long service life, mechanical robustness, and high thermal and chemical stabilities, and they have also been applied in gas, petrochemical, food-beverage, and pharmaceutical industries, where most of polymeric membranes cannot perform properly. However, one of the main drawbacks of ceramic membranes is the high manufacturing cost, which is about three to five times higher than that of common polymeric types. To fill the large gap between the competing ceramic and polymeric membranes, one apparent solution is to develop a ceramic-polymer composite type. Indeed, the properly engineered ceramic-polymer composite membranes are able to integrate the advantages of both ceramic and polymeric materials together, providing improvement in membrane performance for efficient separation, raised life span and additional functionalities. In this overview, we first thoroughly examine three types of ceramic-polymer composite membranes, (i) ceramics in polymer membranes (nanocomposite membranes), (ii) thin film nanocomposite (TFN) membranes, and (iii) ceramic-supported polymer membranes. In the past decade, great progress has been made in improving the compatibility between ceramics and polymers, while the synergy between them has been among the main pursuits, especially in the development of the high performing nanocomposite membranes for water and wastewater treatment at lowered manufacturing cost. By looking into strategies to improve the compatibility among ceramic and polymeric components, we will conclude with briefing on the perspectives and challenges for the future development of the composite membranes.

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“…Many solutes have been advocated as cornerstones of ideal standard testing method but none can be regarded as universal. For instance, dyes often carry a charge, which makes it often difficult to discriminate between membrane adsorption and retention [9]. Also, ranges of oligomers have been proposed as ''model solutes''.…”

Section: Introductionmentioning

confidence: 99%

Comparing the Performance of Organic Solvent Nanofiltration Membranes in Non‐Polar Solvents

Merlet

Winnubst

Nijmeijer

et al. 2021

Chemie Ingenieur Technik

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Organic solvent nanofiltration (OSN) is gradually expanding from academic research to industrial implementation. The need for membranes with low and sharp molecular weight cutoffs that are able to operate under aggressive OSN conditions is increasing. However, the lack of comparable and uniform performance data frustrates the screening and membrane selection for processes. Here, a collaboration is presented between several academic and industrial partners analyzing the separation performance of 10 different membranes using three model process mixtures. Membrane materials range from classic polymeric and thin film composites (TFCs) to hybrid ceramic types. The model solutions were chosen to mimic cases relevant to today's industrial use: relatively low molar mass solutes (330-550 Da) in n-heptane, toluene, and anisole.

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Poly (maleic anhydride-alt-1-alkenes) directly grafted to γ-alumina for high-performance organic solvent nanofiltration membranes

Cited by 23 publications

References 42 publications

Crosslinked Polyvinylnorbornene‐Based Membranes as a New Class of Solvent‐Resistant Nanofiltration Membranes

Crosslinked Polyvinylnorbornene‐Based Membranes as a New Class of Solvent‐Resistant Nanofiltration Membranes

Ceramic-Polymer Composite Membranes for Water and Wastewater Treatment: Bridging the Big Gap between Ceramics and Polymers

Comparing the Performance of Organic Solvent Nanofiltration Membranes in Non‐Polar Solvents

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