A new perspective of functionalized MWCNT incorporated thin film nanocomposite hollow fiber membranes for the separation of various gases

Choi, Ook; Karki, Sachin; Pawar, Radheshyam R.; Hazarika, Swapnali; Ingole, Pravin G.

doi:10.1016/j.jece.2020.104774

Cited by 43 publications

(15 citation statements)

References 67 publications

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“…They are cheap, commercially available, scalable, possess defect-free nature, and have promising separation performance. Polymers such as PES [ 29 , 158 , 171 , 172 , 183 , 398 , 399 , 400 , 401 , 402 , 403 , 404 , 405 , 406 ], PSF [ 28 , 30 , 36 , 407 , 408 , 409 , 410 , 411 , 412 , 413 , 414 , 415 , 416 , 417 , 418 , 419 ], polyimide [ 110 , 420 , 421 , 422 , 423 , 424 , 425 , 426 , 427 ], PAN [ 34 , 70 , 162 , 170 , 428 , 429 , 430 , 431 ], and PBI [ 180 , 432 , 433 ] are the common polymers used to fabricate hollow fiber membranes in vari...…”

Section: Applications Of Hollow Fiber Membranesmentioning

confidence: 99%

“…Porous nanofillers such as ZIF-8 [ 197 , 502 , 503 , 504 ], ZIF-71 [ 430 ], Materials of Institute Lavoisier (MIL)-53 [ 505 , 506 ], MIL-125-NH 2 [ 415 ], UiO-66-NH 2 [ 507 , 508 , 509 ], GO [ 171 , 172 ], graphene nanoplatelets [ 91 ], MWCNTs [ 416 ], zeolite-templated carbon [ 510 ], Engelhard titanosilicate-4 (ETS-4) [ 183 , 417 ], carboxylated TiO 2 (c-TiO 2 ) [ 412 , 413 ], amino-functionalized acid activated bentonite clay (Abn-NH) [ 414 ], montmorillonite [ 181 ], and β-cyclodextrin (β-CD) [ 418 , 419 ] are recently reported to fabricate composite hollow fiber membrane for gas and vapor separation. They are incorporated into polymeric hollow fiber membranes either via direct spinning or during fabrication of thin film composite membranes.…”

Section: Applications Of Hollow Fiber Membranesmentioning

confidence: 99%

“…The membrane revealed promising C 3 H 6 /C 3 H 8 separation with C 3 H 6 permeance of 2.15 GPU and C 3 H 6 selectivity of 23.4 with no additional defect sealing steps. Meanwhile, composite hollow fiber membranes with nanofillers of ZIF-71 [ 430 ], MIL-125-NH 2 [ 415 ], MWCNTs [ 416 ], ETS-4 [ 417 ], c-TiO 2 [ 412 , 413 ], Abn-NH [ 414 ], and β-CD [ 418 , 419 ] have showed promising results for water vapor permeation. Interestingly, Abn-NH incorporated hollow fiber membrane demonstrated superior water vapor permeance of 2809 GPU with water vapor/N 2 selectivity of 913 [ 414 ].…”

Section: Applications Of Hollow Fiber Membranesmentioning

confidence: 99%

See 2 more Smart Citations

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

Lau

Soh

et al. 2022

Membranes

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The aggravation of environmental problems such as water scarcity and air pollution has called upon the need for a sustainable solution globally. Membrane technology, owing to its simplicity, sustainability, and cost-effectiveness, has emerged as one of the favorable technologies for water and air purification. Among all of the membrane configurations, hollow fiber membranes hold promise due to their outstanding packing density and ease of module assembly. Herein, this review systematically outlines the fundamentals of hollow fiber membranes, which comprise the structural analyses and phase inversion mechanism. Furthermore, illustrations of the latest advances in the fabrication of organic, inorganic, and composite hollow fiber membranes are presented. Key findings on the utilization of hollow fiber membranes in microfiltration (MF), nanofiltration (NF), reverse osmosis (RO), forward osmosis (FO), pervaporation, gas and vapor separation, membrane distillation, and membrane contactor are also reported. Moreover, the applications in nuclear waste treatment and biomedical fields such as hemodialysis and drug delivery are emphasized. Subsequently, the emerging R&D areas, precisely on green fabrication and modification techniques as well as sustainable materials for hollow fiber membranes, are highlighted. Last but not least, this review offers invigorating perspectives on the future directions for the design of next-generation hollow fiber membranes for various applications. As such, the comprehensive and critical insights gained in this review are anticipated to provide a new research doorway to stimulate the future development and optimization of hollow fiber membranes.

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Section: Applications Of Hollow Fiber Membranesmentioning

confidence: 99%

Section: Applications Of Hollow Fiber Membranesmentioning

confidence: 99%

Section: Applications Of Hollow Fiber Membranesmentioning

confidence: 99%

See 1 more Smart Citation

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

Lau

Soh

et al. 2022

Membranes

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“…To improve the permeance, various material-processing technologies, such as hollow fiber spinning, thin-film composites (TFC), interfacial polymerization (IP), − and nanomaterial composites, − have been developed. Hollow fiber spinning is a general technique used to fabricate gas-separation membranes via the phase separation of polymer solutions.…”

Section: Introductionmentioning

confidence: 99%

Ultrathin Water-Cast Polymer Membranes for Hydrogen Purification

Park

Kong

Lee

et al. 2022

ACS Appl. Mater. Interfaces

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Among various H2 purification technologies, the use of membrane technology has been considered an ecofriendly approach for addressing the increasing hydrogen demand. Although many H2-selective membrane materials have been reported, processing them into hollow fibers or thin-film composites (TFCs) via traditional methods either affects the performance of the materials or renders their further processing into applicable membrane forms infeasible. Herein, we propose a water-casting method for fabricating TFC membranes for hydrogen purification with high permselectivity. The film integrity and thickness were manipulated by controlling the spreadability of the casting solution, and the resultant water-cast TFC membrane that comprised an ∼30 nm selective layer demonstrated high H2 permeance and H2/CH4 selectivity of approximately 190 GPU and 100, respectively, under optimized conditions. We performed a mixed-gas permeation test using a simulated off-gas of steam–methane reforming from natural gas in a single-stage system and obtained hydrogen gas of >99 mol % purity. This indicates not only the suitability of the water-cast membranes for satisfying the demand for pure hydrogen as a fuel and chemical reagent but also the great potential of the water-casting method for high-performance membranes in various industrial and environmental applications.

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“…[1] Nowadays, the large energy production derived from combustion of fossil fuels, causing the emission of a considerable volume of anthropogenic CO 2 into the atmosphere, which reflects in global warming and climate change. Recently, the researchers are focusing on cost-effective materials and technologies for CO 2 separation from emission sources such as membrane separation, [2,3] amine process, [4] porous solid sorbents, [5] and conversion process. [6] The porous carbon material has significant advantages over other porous materials.…”

Section: Introductionmentioning

confidence: 99%

The Synergistic Character of Highly N‐Doped Coconut–Shell Activated Carbon for Efficient CO₂ Capture

et al. 2021

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The coconut shell-based activated carbon (AC) surface was effectively anchored with amine moieties with acid treatment followed by tetraethylenepentamine (TEPA) anchoring. The activated carbon surface enhanced with basicity is likely to increase the sorbent properties towards CO 2 adsorption. The AC surface was modified by varying TEPA concentrations. After amine doping, significant loss in textural property indicates their occupation inside the pores and surfaces. Further, the samples were thermally activated to retrieve the textural properties. The physicochemical properties of modified carbon were characterized using BET, TPD, FT-IR, Raman spectroscopy and elemental composition. The amine-modified and thermally activated carbons were tested for CO 2 adsorption up to 25 bar at 25°C. The acid-base properties of N-doped carbons were evaluated using isopropanol as a model test reaction at atmospheric pressure. The IPA reaction products of acetone and propene were quantified for their acid-base nature and correlated to CO 2 adsorption capacities. The CO 2 adsorption capacity increases by tailoring synergistic properties between surface basicity and micropores. Hence, 20 % TEPA-derived nitrogen-enriched carbon reveals a higher yield of acetone 73 %, which in turn enhanced CO 2 adsorption capacity of 9.9 mmol/g, and it is found to be a suitable applicant for CO 2 capture.

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A new perspective of functionalized MWCNT incorporated thin film nanocomposite hollow fiber membranes for the separation of various gases

Cited by 43 publications

References 67 publications

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

Ultrathin Water-Cast Polymer Membranes for Hydrogen Purification

The Synergistic Character of Highly N‐Doped Coconut–Shell Activated Carbon for Efficient CO₂ Capture

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A new perspective of functionalized MWCNT incorporated thin film nanocomposite hollow fiber membranes for the separation of various gases

Cited by 43 publications

References 67 publications

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

State-of-the-Art Organic- and Inorganic-Based Hollow Fiber Membranes in Liquid and Gas Applications: Looking Back and Beyond

Ultrathin Water-Cast Polymer Membranes for Hydrogen Purification

The Synergistic Character of Highly N‐Doped Coconut–Shell Activated Carbon for Efficient CO2 Capture

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Product

Resources

About

The Synergistic Character of Highly N‐Doped Coconut–Shell Activated Carbon for Efficient CO₂ Capture