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Jawed AS, Nassar L, Hegab HM, van der Merwe R, Al Marzooqi F, Banat F, Hasan SW. Recent developments in solar-powered membrane distillation for sustainable desalination. Heliyon 2024; 10:e31656. [PMID: 38828351 PMCID: PMC11140715 DOI: 10.1016/j.heliyon.2024.e31656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 04/02/2024] [Accepted: 05/20/2024] [Indexed: 06/05/2024] Open
Abstract
The freshwater shortage continues to be one of the greatest challenges affecting our planet. Although traditional membrane distillation (MD) can produce clean water regardless of climatic conditions, the process wastes a lot of energy. The technique of solar-powered membrane distillation (SPMD) has received a lot of interest in the past decade, thanks to the development of photothermal materials. SPMD is a promising replacement for the traditional MD based on fossil fuels, as it can prevent the harmful effects of emissions on the environment. Integrating green solar energy with MD can reduce the cost of the water purification process and secure freshwater production in remote areas. At this point, it is important to consider the most current progress of the SPMD system and highlight the challenges and prospects of this technology. Based on this, the background, recent advances, and principles of MD and SPMD, their configurations and mechanisms, fabrication methods, advantages, and current limitations are discussed. Detailed comparisons between SPMD and traditional MD, assessments of various standards for incorporating photothermal materials with desirable properties, discussions of desalination and other applications of SPMD and MD, and energy consumption rates are also covered. The final section addresses the potential of SPMD to outperform traditional desalination technology while improving water production without requiring a significant amount of electrical or high-grade thermal energy.
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Affiliation(s)
- Ahmad S. Jawed
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
- Department of Chemical and Petroleum Engineering, Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
| | - Lobna Nassar
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
- Department of Civil Infrastructure and Environmental Engineering, Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
| | - Hanaa M. Hegab
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
- Department of Chemical and Petroleum Engineering, Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
| | - Riaan van der Merwe
- Department of Civil Infrastructure and Environmental Engineering, Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
| | - Faisal Al Marzooqi
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
- Department of Chemical and Petroleum Engineering, Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
| | - Fawzi Banat
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
- Department of Chemical and Petroleum Engineering, Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
| | - Shadi W. Hasan
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
- Department of Chemical and Petroleum Engineering, Khalifa University of Science and Technology, PO Box, 127788, Abu Dhabi, United Arab Emirates
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Zhang J, Song X, Cao S, Zhu Q, Chen X, Li D, Yuan Q. High output flexible polyvinylidene fluoride based piezoelectric device incorporating cellulose nanofibers/BaTiO 3@TiO 2 piezoelectric core-shell structure. Int J Biol Macromol 2024; 275:133088. [PMID: 38880446 DOI: 10.1016/j.ijbiomac.2024.133088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/07/2024] [Accepted: 06/09/2024] [Indexed: 06/18/2024]
Abstract
Flexible composite film has gained increasing attention in the fields of wearable devices and portable electronic products. In this work, a novel core-shell structure of cellulose nanofibers/BaTiO3@TiO2 (CNF/BTO@TiO2) was synthesized with the assistant of the biological macromolecule material of cellulose nanofiber (CNF), in which the CNF can improve the stability and dispersibility of BaTiO3 (BTO) in the aqueous phase and elevate the integrity of the core-shell structure. The core-shell structure can reduce the agglomeration of fillers in polyvinylidene fluoride (PVDF) and improve the structural defects of the composite film. Meanwhile, the core-shell structure can promote the polarization of the electric dipole and the formation of β phase in PVDF due to the generated interface spatial polarization between the shell of TiO2 and the core of BTO. When the content of the core-shell structure was 5 wt%, the β phase content reaches 61.89 %, and the piezoelectric coefficient of composite film reaches 84.29 pm/V. Thus the maximum output open-circuit voltage (VOC) and short-circuit current (ISC) of the piezoelectric composite film is as high as 13.10 V and 464.3 nA. In addition, its excellent pressure sensing capability allows for its application in various flexible electronic devices.
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Affiliation(s)
- Jingyao Zhang
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning 530004, China
| | - Xinyi Song
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning 530004, China
| | - Shuoang Cao
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning 530004, China
| | - Qingtao Zhu
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning 530004, China
| | - Xianfen Chen
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning 530004, China
| | - Duoduo Li
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning 530004, China
| | - Quanping Yuan
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning 530004, China.
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Tian G, Duan C, Lu W, Liu X, Zhao B, Meng Z, Wang Q, Nie S. Cellulose acetate-based electrospun nanofiber aerogel with excellent resilience and hydrophobicity for efficient removal of drug residues and oil contaminations from wastewater. Carbohydr Polym 2024; 329:121794. [PMID: 38286531 DOI: 10.1016/j.carbpol.2024.121794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/31/2024]
Abstract
Cellulose acetate (CA)-based electrospun nanofiber aerogel (ENA) has drawn extensive attention for wastewater remediation due to its unique separation, inherent porosity and biodegradability. However, the low mechanical strength, poor durability, and limited adsorption ability hinder its further applications. We herein propose using silane-modified ENA, namely T-CA@Si@ZIF-67 (T-ENA), with enhanced resilience, hydrophobicity, durability and hetero-catalysis to remediate a complex wastewater containing oil and drug residues. The robust T-ENA was fabricated by pre-doping tetraethyl orthosilicate (TEOS) and ligand in its spinning precursors, followed by in-situ anchoring of porous ZIF-67 on the electrospun nanofibers (ENFs) via seeding method before freeze-drying and thermal curing (T). Results show that the T-ENA displays enhanced mechanical stability/resilience and hydrophobicity without compromise of its high porosity (>98 %) and low density (10 mg/cm3) due to the silane cross-linking. As a result, the hydrophobic T-ENA shows over 99 % separation efficiency towards different oil-water solutions. Meanwhile, thanks to the enhanced adsorption-catalytic ability and the activation of peroxymonosulfate (PMS) from the porous ZIF-67, fast degradation of carbamazepine (CBZ) residue in the wastewater can be achieved within 20 min. This work might provide a novel strategy for developing CA aerogels to remove organic pollutants.
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Affiliation(s)
- Guodong Tian
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China; College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Chao Duan
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China; College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science and Technology, Xi'an, 710021, China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
| | - Wanli Lu
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science and Technology, Xi'an, 710021, China; Kunshan Banknote Paper Industry Co., Ltd, Suzhou 215000, China
| | - Xiaoshuang Liu
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Baoke Zhao
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Zixuan Meng
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Qiang Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Shuangxi Nie
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China.
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Nguyen TD, Roh S, Nguyen MTN, Lee JS. Structural Control of Nanofibers According to Electrospinning Process Conditions and Their Applications. MICROMACHINES 2023; 14:2022. [PMID: 38004879 PMCID: PMC10673317 DOI: 10.3390/mi14112022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/20/2023] [Accepted: 10/28/2023] [Indexed: 11/26/2023]
Abstract
Nanofibers have gained much attention because of the large surface area they can provide. Thus, many fabrication methods that produce nanofiber materials have been proposed. Electrospinning is a spinning technique that can use an electric field to continuously and uniformly generate polymer and composite nanofibers. The structure of the electrospinning system can be modified, thus making changes to the structure, and also the alignment of nanofibers. Moreover, the nanofibers can also be treated, modifying the nanofiber structure. This paper thoroughly reviews the efforts to change the configuration of the electrospinning system and the effects of these configurations on the nanofibers. Excellent works in different fields of application that use electrospun nanofibers are also introduced. The studied materials functioned effectively in their application, thereby proving the potential for the future development of electrospinning nanofiber materials.
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Affiliation(s)
| | | | | | - Jun Seop Lee
- Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-Daero, Sujeong-Gu, Seongnam-Si 13120, Gyeonggi-Do, Republic of Korea; (T.D.N.); (S.R.); (M.T.N.N.)
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5
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Abdelrazeq H, Khraisheh M. Porosity Effect of Polystyrene Membranes on Desalination Performance: A Combined Experimental and Numerical Heat and Mass Transfer Study in Direct Contact Membrane Distillation. Polymers (Basel) 2023; 15:polym15081821. [PMID: 37111968 PMCID: PMC10144847 DOI: 10.3390/polym15081821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023] Open
Abstract
Membrane distillation (MD) is a thermal-based membrane operation with high potential for use in the treatment of aqueous streams. In this study, the linear relationship between the permeate flux and the bulk feed temperature for different electrospun polystyrene membranes is discussed. The dynamics of combined heat and mass transfer mechanisms across different membrane porosities of 77%, 89%, and 94%, each with different thicknesses, are examined. The main results for the effect of porosity with respect to the thermal efficiency and evaporation efficiency of the DCMD system are reported for electrospun polystyrene membranes. A 14.6% increase in thermal efficiency was noted for a 15% increase in membrane porosity. Meanwhile, a 15.6% rise in porosity resulted in a 5% increase in evaporation efficiency. A mathematical validation along with computational predictions is presented and interlinked with the maximum thermal and evaporation efficiencies for the surface membrane temperatures at the feed and temperature boundary regions. This work helps to further understand the interlinked correlations of the surface membrane temperatures at the feed and temperature boundary regions with respect to the change in membrane porosity.
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Affiliation(s)
- Haneen Abdelrazeq
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar
| | - Majeda Khraisheh
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar
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Sanoja-López KA, Quiroz-Suárez KA, Dueñas-Rivadeneira AA, Maddela NR, Montenegro MCBSM, Luque R, Rodríguez-Díaz JM. Polymeric membranes functionalized with nanomaterials (MP@NMs): A review of advances in pesticide removal. ENVIRONMENTAL RESEARCH 2023; 217:114776. [PMID: 36403656 DOI: 10.1016/j.envres.2022.114776] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/02/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
The excessive contamination of drinking water sources by pesticides has a pernicious impact on human health and the environment since only 0.1% of pesticides is utilized effectively to control the and the rest is deposited in the environment. Filtration by polymeric membranes has become a promising technique to deal with this problem; however, the scientific community, in the need to find better pesticide retention results, has begun to meddle in the functionalization of polymeric membranes. Given the great variety of membrane, polymer, and nanomaterial synthesis methods present in the market, the possibilities of obtaining membranes that adjust to different variables and characteristics related to a certain pesticide are relatively extensive, so it is expected that this technology will represent one of the main pesticide removal strategies in the future. In this direction, this review focused on, - the main characteristics of the nanomaterials and their impact on pristine polymeric membranes; - the removal performance of functionalized membranes; and - the main mechanisms by which membranes can retain pesticides. Based on these insights, the functionalized polymeric membranes can be considered as a promising technology in the removal of pesticides since the removal performance of this technology against pesticide showed a significant increase. Obtaining membranes that adjust to different variables and characteristics related to a certain pesticide are relatively extensive, so it is expected that functionalized membrane technology will represent one of the main pesticide removal strategies in the future.
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Affiliation(s)
- Kelvin Adrian Sanoja-López
- Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador; Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador.
| | - Kevin Alberto Quiroz-Suárez
- Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador; Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador.
| | - Alex Alberto Dueñas-Rivadeneira
- Departamento de Procesos Agroindustriales, Facultad de Ciencias Zootécnicas, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador.
| | - Naga Raju Maddela
- Departamento de Ciencias Biológicas, Facultad de Ciencias de La Salud, Universidad Técnica de Manabí, Portoviejo, 130105, Ecuador.
| | - Maria C B S M Montenegro
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.
| | - Rafael Luque
- Departamento de Química Orgánica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain; Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str., 117198, Moscow, Russian Federation.
| | - Joan Manuel Rodríguez-Díaz
- Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador; Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Manabí, 130104, Ecuador.
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Fluoropolymer Membranes for Membrane Distillation and Membrane Crystallization. Polymers (Basel) 2022; 14:polym14245439. [PMID: 36559805 PMCID: PMC9782556 DOI: 10.3390/polym14245439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/15/2022] Open
Abstract
Fluoropolymer membranes are applied in membrane operations such as membrane distillation and membrane crystallization where hydrophobic porous membranes act as a physical barrier separating two phases. Due to their hydrophobic nature, only gaseous molecules are allowed to pass through the membrane and are collected on the permeate side, while the aqueous solution cannot penetrate. However, these two processes suffer problems such as membrane wetting, fouling or scaling. Membrane wetting is a common and undesired phenomenon, which is caused by the loss of hydrophobicity of the porous membrane employed. This greatly affects the mass transfer efficiency and separation efficiency. Simultaneously, membrane fouling occurs, along with membrane wetting and scaling, which greatly reduces the lifespan of the membranes. Therefore, strategies to improve the hydrophobicity of membranes have been widely investigated by researchers. In this direction, hydrophobic fluoropolymer membrane materials are employed more and more for membrane distillation and membrane crystallization thanks to their high chemical and thermal resistance. This paper summarizes different preparation methods of these fluoropolymer membrane, such as non-solvent-induced phase separation (NIPS), thermally-induced phase separation (TIPS), vapor-induced phase separation (VIPS), etc. Hydrophobic modification methods, including surface coating, surface grafting and blending, etc., are also introduced. Moreover, the research advances on the application of less toxic solvents for preparing these membranes are herein reviewed. This review aims to provide guidance to researchers for their future membrane development in membrane distillation and membrane crystallization, using fluoropolymer materials.
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Sangeetha V, Kaleekkal NJ, Vigneswaran S. Coaxial Electrospun Nanofibrous Membranes for Enhanced Water Recovery by Direct Contact Membrane Distillation. Polymers (Basel) 2022; 14:polym14245350. [PMID: 36559716 PMCID: PMC9784477 DOI: 10.3390/polym14245350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/23/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
Membrane distillation (MD) is an emerging technology for water recovery from hypersaline wastewater. Membrane scaling and wetting are the drawbacks that prevent the widespread implementation of the MD process. In this study, coaxially electrospun polyvinylidene fluoride-co-hexafluoropropylene (PVDF-co-HFP) nanofibrous membranes were fabricated with re-entrant architecture and enhanced hydrophobicity/omniphobicity. The multiscale roughness was constructed by incorporating Al2O3 nanoparticles and 1H, 1H, 2H, 2H Perfluorodecyltriethoxysilane in the sheath solution. High resolution transmission electron microscopy (HR-TEM) could confirm the formation of the core-sheath nanofibrous membranes, which exhibited a water contact angle of ~142.5° and enhanced surface roughness. The membrane displayed a stable vapor flux of 12 L.m−2.h−1 (LMH) for a 7.0 wt.% NaCl feed solution and no loss in permeate quality or quantity. Long-term water recovery from 10.5 wt.% NaCl feed solution was determined to be 8−10 LMH with >99.9% NaCl rejection for up to 5 cycles of operation (60 h). The membranes exhibited excellent resistance to wetting even above the critical micelle concentration (CMC) for surfactants in the order sodium dodecyl sulphate (SDS) (16 mM) > cetyltrimethylammonium bromide (CTAB) (1.5 mM) > Tween 80 (0.10 mM). The presence of salts further deteriorated membrane performance for SDS (12 mM) and Tween-80 (0.05 mM). These coaxial electrospun nanofibrous membranes are robust and can be explored for long-term applications.
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Affiliation(s)
- Vivekanandan Sangeetha
- Membrane Separation Group, Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode 673601, Kerala, India
| | - Noel Jacob Kaleekkal
- Membrane Separation Group, Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode 673601, Kerala, India
- Correspondence: (N.J.K.); (S.V.)
| | - Saravanamuthu Vigneswaran
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
- Faculty of Sciences & Technology (RealTek), Norwegian University of Life Sciences, P.O. Box 5003, NO-1432 Ås, Norway
- Correspondence: (N.J.K.); (S.V.)
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9
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Zhao Q, Zhitomirsky I. Biomimetic strategy for electrophoretic deposition of composite ferroelectric poly(vinylidene, fluoride-co-hexafluoropropylene) – ferrimagnetic NiFe2O4 films. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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Zhao Q, Liu X, Veldhuis S, Zhitomirsky I. Colloidal processing of ferroelectric poly(vinylidene fluoride-co-hexafluoropropylene)—ferrimagnetic pseudocapacitive CuFe2O4 composite films. Colloid Polym Sci 2022. [DOI: 10.1007/s00396-022-05022-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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11
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Tunable hydrophobicity and roughness on PVDF surface by grafting to mode – Approach to enhance membrane performance in membrane distillation process. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Kianfar P, Bongiovanni R, Ameduri B, Vitale A. Electrospinning of Fluorinated Polymers: Current State of the Art on Processes and Applications. POLYM REV 2022. [DOI: 10.1080/15583724.2022.2067868] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Parnian Kianfar
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Roberta Bongiovanni
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Bruno Ameduri
- ICGM, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Alessandra Vitale
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
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13
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Enhanced anti-wetting and anti-fouling properties of composite PFPE/PVDF membrane in vacuum membrane distillation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120084] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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14
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Surface wettability of poly(vinylidene fluoride) nanoparticle assembly surfaces. Polym J 2022. [DOI: 10.1038/s41428-021-00612-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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15
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Structural tailoring of ceria nanoparticles for fabricating fouling resistant nanocomposite membranes with high flux distillation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127858] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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16
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Yadav P, Farnood R, Kumar V. Superhydrophobic modification of electrospun nanofibrous Si@PVDF membranes for desalination application in vacuum membrane distillation. CHEMOSPHERE 2022; 287:132092. [PMID: 34826888 DOI: 10.1016/j.chemosphere.2021.132092] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 06/16/2021] [Accepted: 08/27/2021] [Indexed: 06/13/2023]
Abstract
Superhydrophobic nanofibers have received prominent attention owing to their exceptional properties and researchers are focused on developing high-performing MD membranes. Herein, we fabricate superhydrophobic electrospun nanofibrous membranes using polyvinylidene fluoride (PVDF) solutions with silica nanoparticles (0 wt% to 6 wt%) to create multiscale (or hierarchical) surface roughness. For superhydrophobicity, the composite membranes (Si@PVDF) were subjected to a two-step modification that included acid pre-treatment and silanization with fluoroalkylsilane (FAS) compound of low surface energy. The acid pre-treatment enhances the hydroxyl group of SiO2 nanoparticles and create active sites in abundance for silanization. The modified membranes (FAS-Si@PVDF-A) having 6 wt% SiO2 showed excellent wetting resistance with water contact angle (WCA) up to 154.6 ± 2.2°, smaller average pore size of 0.27 ± 0.3 μm, and high liquid entry pressure (LEP) of 143 ± 4 kPa. It was observed, increasing silica content decreased the fiber diameter and average pore size and increased WCA and LEP of modified membranes. The modified superhydrophobic membranes gave stable permeate flux, exhibited strong wetting resistance and excellent salt rejection in vacuum membrane distillation (VMD) test. The optimal FAS-Si@PVDF-A membrane (6 wt% SiO2) of thickness 98 ± 5 μm produced a stable permeate flux of more than 11.5 kg m-2 h-1 and salt rejection as high as 99.9% after 22 h of continuous operation using NaCl solution (3.5 wt%) as feed. Therefore, this modification provided superhydrophobic membranes possessing robust anti-wetting properties with significant permeability and has encouraging application in membrane distillation for desalination.
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Affiliation(s)
- Pooja Yadav
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Ramin Farnood
- Department of Applied Chemistry and Chemical Engineering, University of Toronto, Ontario, M5S 3E5, Canada
| | - Vivek Kumar
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, 110016, India.
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Khan AA, Maitlo HA, Khan IA, Lim D, Zhang M, Kim KH, Lee J, Kim JO. Metal oxide and carbon nanomaterial based membranes for reverse osmosis and membrane distillation: A comparative review. ENVIRONMENTAL RESEARCH 2021; 202:111716. [PMID: 34293311 DOI: 10.1016/j.envres.2021.111716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 07/11/2021] [Accepted: 07/14/2021] [Indexed: 05/26/2023]
Abstract
Commercial membranes typically suffer from fouling and wetting during membrane distillation (MD). In contrast, reverse osmosis (RO) can be subject to the fouling issue if applied for highly saline feed solutions containing foulants (e.g., organics, oils, and surfactants). Among the diverse treatment options, the nanomaterial-based membranes have recently gained great interest due to their advantageous properties (e.g., enhanced flux and roughness, better pore size distribution, and higher conductivity). This review focuses on recent advances in the mechanical properties, anti-fouling capabilities, salt rejection, and economic viability of metal oxide (SiO2, TiO2, and ZnO) and carbon nanomaterial (graphene oxide/carbon nanotube)-based membranes. Current challenges in applying nanomaterial-based membranes are also discussed. The study further describes the preparation methods, mechanisms, commercial applications, and economical feasibility of metal oxide- and carbon nanomaterial-based membrane technologies.
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Affiliation(s)
- Aftab Ahmad Khan
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea; Department of Civil Engineering, COMSATS University Islamabad (CUI), Abbottabad Campus, Abbottabad, 22060, Pakistan.
| | - Hubdar Ali Maitlo
- Department of Energy & Environment Engineering, Dawood University of Engineering & Technology, M.A. Jinnah road, Karachi, 74800, Pakistan.
| | - Imtiaz Afzal Khan
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Daehwan Lim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Ming Zhang
- Department of Environmental Engineering, China Jiliang University, Hangzhou, 310018, China
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea.
| | - Jechan Lee
- Department of Environmental and Safety Engineering, Ajou University, Suwon, 16499, Republic of Korea.
| | - Jong-Oh Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea.
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Abdullah A, Al-Qahatani A, Alquraish M, Baily C, El-Mofty S, El-Shazly A. Experimental Investigation of Fabricated Graphene Nanoplates/Polystyrene Nanofibrous Membrane for DCMD. Polymers (Basel) 2021; 13:polym13203499. [PMID: 34685260 PMCID: PMC8537701 DOI: 10.3390/polym13203499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/24/2021] [Accepted: 10/09/2021] [Indexed: 12/30/2022] Open
Abstract
In recent decades, the fabrication of composite membranes using nanoparticles has played a vital role in membrane distillation (MD) technique. It could make available membranes with superior characteristics as excellent candidates for MD technique. The most well-known obstacles regarding the MD method are the low productivity and high cost. Thus, fabricating membranes with superior properties is a significant challenge. In the current study, a composite membrane has been fabricated using 0.25, 0.5, and 0.75 weight percent (wt.%) of graphene nanoparticles (GNPs) with polystyrene (PS) as a base polymer and characterized using SEM, FTIR, and contact angle. The characterization results prove the successful fabrication using electrospinning and the validity of the fabricated membranes to be applied to direct contact membrane distillation (DCMD). In addition, a DCMD experimental setup has been designed to examine the performance of the fabricated membranes and compare the performance of blank PS with composite PS/GNPs membranes. The results show that all fabricated membranes produced an approximately similar average flux of about 10 kg/m2 h, while the highest GNPs wt.% showed the highest salt rejection. Accordingly, this composite membrane has been examined at different operating parameters and showed stable performance. Moreover, feed temperature and the rate of flow have a positive impact on the overall performance of the DCMD.
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Affiliation(s)
- Ahmad Abdullah
- Department of Civil Engineering, College of Engineering, University of Bisha, P.O. Box 551, Bisha 67614, Saudi Arabia;
- Department of Civil Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt
- Correspondence: ; Tel.: +966-565912103
| | - Abdulaziz Al-Qahatani
- Department of Biology, College of Science, University of Bisha, P.O. Box 551, Bisha 61922, Saudi Arabia;
| | - Mohammed Alquraish
- Department of Mechanical Engineering, College of Engineering, University of Bisha, P.O. Box 551, Bisha 67614, Saudi Arabia;
| | - Colin Baily
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK;
| | - Salah El-Mofty
- Department of Civil Engineering, College of Engineering, University of Bisha, P.O. Box 551, Bisha 67614, Saudi Arabia;
| | - Ahmed El-Shazly
- Chemical and Petrochemicals Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt;
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Li W, Deng L, Huang H, Zhou J, Liao Y, Qiu L, Yang H, Yao L. Janus Photothermal Membrane as an Energy Generator and a Mass-Transfer Accelerator for High-Efficiency Solar-Driven Membrane Distillation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:26861-26869. [PMID: 34080412 DOI: 10.1021/acsami.1c01072] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Membrane distillation (MD) is an emerging membrane-based evaporation technology with great promise for the desalination and separation industries. However, its widespread application still depends on substantial development to increase the distillation flux, reduce the energy consumption, and extend the lifespan of the membrane. Herein, we report for the first time the integration of multiple functions, that is, energy-saving, flux-enhancing, and anti-fouling properties, into a single membrane. Such a membrane was fabricated by coating the top surface of a poly(vinylidene fluoride)-co-hexafluoropropylene (PVDF-HFP) nanofibrous mat with photothermal and hydrophobic graphitic carbon spheres and subsequently coating the bottom surface with a hydrophilic polydopamine layer, yielding a novel Janus photothermal membrane (JPTM). Owing to the high photothermal efficiency and accelerated mass transport across the membrane, the JPTM demonstrated an excellent desalination performance when assembled into a solar-driven MD system, with a distillation flux of 1.29 kg m-2 h-1, which is 10 times higher than that of the conventional un-modified PVDF-HFP membrane, requiring only 1 kW m-2 solar illumination as the energy input.
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Affiliation(s)
- Wenpeng Li
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advanced Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Libo Deng
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Haiyan Huang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Jiale Zhou
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advanced Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Yuanyuan Liao
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Lei Qiu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Haitao Yang
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advanced Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Lei Yao
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advanced Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
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20
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Makanjuola O, Anis SF, Hashaikeh R. Enhancing DCMD vapor flux of PVDF-HFP membrane with hydrophilic silica fibers. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118361] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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21
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Wen M, Chen M, Chen K, Li PL, Lv C, Zhang X, Yao Y, Yang W, Huang G, Ren GK, Deng SJ, Liu YK, Zheng Z, Xu CG, Luo DL. Superhydrophobic composite graphene oxide membrane coated with fluorinated silica nanoparticles for hydrogen isotopic water separation in membrane distillation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119136] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Janus membranes for membrane distillation: Recent advances and challenges. Adv Colloid Interface Sci 2021; 289:102362. [PMID: 33607551 DOI: 10.1016/j.cis.2021.102362] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 02/06/2023]
Abstract
Membrane distillation (MD) is a promising hybrid thermal-membrane separation technology that can efficiently produce freshwater from seawater or contaminated wastewater. However, the relatively low flux and the presence of fouling or wetting agents in feed solution negate the applicability of MD for long term operation. In recent years, 'two-faced' membranes or Janus membranes have shown promising potential to decrease wetting and fouling problem of common MD system as well as enhance the flux performance. In this review, a comprehensive study was performed to investigate the various fabrication, modification, and novel design processes to prepare Janus membranes and discuss their performance in desalination and wastewater treatment utilizing MD. The promising potential, challenges and future prospects relating to the design and use of Janus membranes for MD are also tackled in this review.
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T M S, Arshad AB, Lin PT, Widakdo J, H K M, Austria HFM, Hu CC, Lai JY, Hung WS. A review of recent progress in polymeric electrospun nanofiber membranes in addressing safe water global issues. RSC Adv 2021; 11:9638-9663. [PMID: 35423415 PMCID: PMC8695389 DOI: 10.1039/d1ra00060h] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 02/19/2021] [Indexed: 01/08/2023] Open
Abstract
With rapid advancement in water filtration materials, several efforts have been made to fabricate electrospun nanofiber membranes (ENMs). ENMs play a crucial role in different areas of water treatment due to their several advantageous properties such as high specific surface area, high interconnected porosity, controllable thickness, mechanical robustness, and wettability. In the broad field of water purification, ENMs have shown tremendous potential in terms of permeability, rejection, energy efficiency, resistance to fouling, reusability and mechanical robustness as compared to the traditional phase inversion membranes. Upon various chemical and physical modifications of ENMs, they have exhibited great potential for emerging applications in environment, energy and health sectors. This review firstly presents an overview of the limiting factors influencing the morphology of electrospun nanofibers. Secondly, it presents recent advancements in electrospinning processes, which helps to not only overcome drawbacks associated with the conventional electrospinning but also to produce nanofibers of different morphology and orientation with an increased rate of production. Thirdly, it presents a brief discussion about the recent progress of the ENMs for removal of various pollutants from aqueous system through major areas of membrane separation. Finally, this review concludes with the challenges and future directions in this vast and fast growing area.
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Affiliation(s)
- Subrahmanya T M
- Advanced Membrane Materials Research Centre, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology Taipei 10607 Taiwan
| | - Ahmad Bin Arshad
- Department of Mechanical Engineering, National Taiwan University of Science and Technology Taipei 10607 Taiwan
| | - Po Ting Lin
- Department of Mechanical Engineering, National Taiwan University of Science and Technology Taipei 10607 Taiwan
| | - Januar Widakdo
- Advanced Membrane Materials Research Centre, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology Taipei 10607 Taiwan
| | - Makari H K
- Department of Biotechnology, IDSG Government College Chikkamagaluru Karnataka 577102 India
| | - Hannah Faye M Austria
- Advanced Membrane Materials Research Centre, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology Taipei 10607 Taiwan
| | - Chien-Chieh Hu
- Advanced Membrane Materials Research Centre, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology Taipei 10607 Taiwan
| | - Juin-Yih Lai
- Advanced Membrane Materials Research Centre, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology Taipei 10607 Taiwan
| | - Wei-Song Hung
- Advanced Membrane Materials Research Centre, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology Taipei 10607 Taiwan
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24
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Jung JT, Wang HH, Kim JF, Jeon SM, Park SH, Lee WH, Moon SJ, Drioli E, Lee YM. Microfiber aligned hollow fiber membranes from immiscible polymer solutions by phase inversion. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118654] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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25
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Chen H, Huang M, Liu Y, Meng L, Ma M. Functionalized electrospun nanofiber membranes for water treatment: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 739:139944. [PMID: 32535464 DOI: 10.1016/j.scitotenv.2020.139944] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/31/2020] [Accepted: 06/02/2020] [Indexed: 06/11/2023]
Abstract
Electrospun nanofiber membranes (ENMs) have high porosity, high specific surface area and unique interconnected structure. It has huge advantages and potential in the treatment and recycling of wastewater. In addition, ENMs can be easily functionalized by combining multifunctional materials to achieve different water treatment effects. Based on this, this review summarizes the preparation of functionalized ENMs and its detailed application in the field of water treatment. First, the process and influence factors of electrospinning process are introduced. ENMs with high porosity, thin and small fiber diameter have better performance. Secondly, the modification methods of ENMs are analyzed. Pre-electrospinning and post-electrospinning modification technology can prepare specific functionalized ENMs. Subsequently, functionalized ENMs show water treatment capabilities such as separation, adsorption, photocatalysis, and antimicrobial. Subsequently, the application of functionalized ENMs in water treatment capabilities such as separation, adsorption, photocatalysis, and antimicrobial capabilities were listed. Finally, we also made some predictions about the future development direction of ENMs in water treatment, and hope this article can provide some clues and guidance for the research of ENMs in water treatment.
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Affiliation(s)
- Haisheng Chen
- Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China; Aerospace Kaitian Environmental Technology Co., Ltd, Changsha 410100, China
| | - Manhong Huang
- Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China; College of Environmental Science and Engineering, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai 201620, China.
| | - Yanbiao Liu
- College of Environmental Science and Engineering, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai 201620, China
| | - Lijun Meng
- College of Environmental Science and Engineering, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai 201620, China
| | - Mengdie Ma
- College of Environmental Science and Engineering, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai 201620, China
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26
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Jia W, Kharraz JA, Guo J, An AK. Superhydrophobic (polyvinylidene fluoride-co-hexafluoropropylene)/ (polystyrene) composite membrane via a novel hybrid electrospin-electrospray process. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118360] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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27
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Jalloul G, Hashem MH, Tehrani‐Bagha AR, Ahmad MN, Abu Tarboush BJ. Unsupported electrospun membrane for water desalination using direct contact membrane distillation. J Appl Polym Sci 2020. [DOI: 10.1002/app.49861] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ghadeer Jalloul
- B. and W. Bassatne Department of Chemical Engineering and Advanced Energy American University of Beirut Beirut Lebanon
| | - M. Hadi Hashem
- B. and W. Bassatne Department of Chemical Engineering and Advanced Energy American University of Beirut Beirut Lebanon
| | - Ali Reza Tehrani‐Bagha
- B. and W. Bassatne Department of Chemical Engineering and Advanced Energy American University of Beirut Beirut Lebanon
- School of Chemical Engineering Aalto University Espoo Finland
| | - Mohammad N. Ahmad
- B. and W. Bassatne Department of Chemical Engineering and Advanced Energy American University of Beirut Beirut Lebanon
| | - Belal J. Abu Tarboush
- B. and W. Bassatne Department of Chemical Engineering and Advanced Energy American University of Beirut Beirut Lebanon
- Department of Petroleum and Chemical Engineering, College of Engineering Sultan Qaboos University Muscat Oman
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28
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Toriello M, Afsari M, Shon HK, Tijing LD. Progress on the Fabrication and Application of Electrospun Nanofiber Composites. MEMBRANES 2020; 10:membranes10090204. [PMID: 32872232 PMCID: PMC7559347 DOI: 10.3390/membranes10090204] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/20/2020] [Accepted: 08/26/2020] [Indexed: 01/09/2023]
Abstract
Nanofibers are one of the most attractive materials in various applications due to their unique properties and promising characteristics for the next generation of materials in the fields of energy, environment, and health. Among the many fabrication methods, electrospinning is one of the most efficient technologies which has brought about remarkable progress in the fabrication of nanofibers with high surface area, high aspect ratio, and porosity features. However, neat nanofibers generally have low mechanical strength, thermal instability, and limited functionalities. Therefore, composite and modified structures of electrospun nanofibers have been developed to improve the advantages of nanofibers and overcome their drawbacks. The combination of electrospinning technology and high-quality nanomaterials via materials science advances as well as new modification techniques have led to the fabrication of composite and modified nanofibers with desired properties for different applications. In this review, we present the recent progress on the fabrication and applications of electrospun nanofiber composites to sketch a progress line for advancements in various categories. Firstly, the different methods for fabrication of composite and modified nanofibers have been investigated. Then, the current innovations of composite nanofibers in environmental, healthcare, and energy fields have been described, and the improvements in each field are explained in detail. The continued growth of composite and modified nanofiber technology reveals its versatile properties that offer alternatives for many of current industrial and domestic issues and applications.
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Affiliation(s)
- Mariela Toriello
- Faculty of Engineering and Information Technology, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia;
| | - Morteza Afsari
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia; (M.A.); (H.K.S.)
| | - Ho Kyong Shon
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia; (M.A.); (H.K.S.)
| | - Leonard D. Tijing
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW 2007, Australia; (M.A.); (H.K.S.)
- Correspondence:
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Sinha Ray S, Singh Bakshi H, Dangayach R, Singh R, Deb CK, Ganesapillai M, Chen SS, Purkait MK. Recent Developments in Nanomaterials-Modified Membranes for Improved Membrane Distillation Performance. MEMBRANES 2020; 10:E140. [PMID: 32635417 PMCID: PMC7408142 DOI: 10.3390/membranes10070140] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 02/03/2023]
Abstract
Membrane distillation (MD) is a thermally induced membrane separation process that utilizes vapor pressure variance to permeate the more volatile constituent, typically water as vapor, across a hydrophobic membrane and rejects the less volatile components of the feed. Permeate flux decline, membrane fouling, and wetting are some serious challenges faced in MD operations. Thus, in recent years, various studies have been carried out on the modification of these MD membranes by incorporating nanomaterials to overcome these challenges and significantly improve the performance of these membranes. This review provides a comprehensive evaluation of the incorporation of new generation nanomaterials such as quantum dots, metalloids and metal oxide-based nanoparticles, metal organic frameworks (MOFs), and carbon-based nanomaterials in the MD membrane. The desired characteristics of the membrane for MD operations, such as a higher liquid entry pressure (LEPw), permeability, porosity, hydrophobicity, chemical stability, thermal conductivity, and mechanical strength, have been thoroughly discussed. Additionally, methodologies adopted for the incorporation of nanomaterials in these membranes, including surface grafting, plasma polymerization, interfacial polymerization, dip coating, and the efficacy of these modified membranes in various MD operations along with their applications are addressed. Further, the current challenges in modifying MD membranes using nanomaterials along with prominent future aspects have been systematically elaborated.
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Affiliation(s)
- Saikat Sinha Ray
- Institute of Environmental Engineering and Management, National Taipei University of Technology, Taipei City 106, Taiwan; (H.S.B.); (R.D.); (R.S.)
| | - Harshdeep Singh Bakshi
- Institute of Environmental Engineering and Management, National Taipei University of Technology, Taipei City 106, Taiwan; (H.S.B.); (R.D.); (R.S.)
- School of Chemical Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India;
| | - Raghav Dangayach
- Institute of Environmental Engineering and Management, National Taipei University of Technology, Taipei City 106, Taiwan; (H.S.B.); (R.D.); (R.S.)
- School of Chemical Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India;
| | - Randeep Singh
- Institute of Environmental Engineering and Management, National Taipei University of Technology, Taipei City 106, Taiwan; (H.S.B.); (R.D.); (R.S.)
- Department of Chemical Engineering, Indian Institute of Technology, Guwahati 781039, India;
| | - Chinmoy Kanti Deb
- School of Chemical Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India;
| | - Mahesh Ganesapillai
- School of Chemical Engineering, Vellore Institute of Technology (VIT), Vellore 632014, India;
| | - Shiao-Shing Chen
- Institute of Environmental Engineering and Management, National Taipei University of Technology, Taipei City 106, Taiwan; (H.S.B.); (R.D.); (R.S.)
| | - Mihir Kumar Purkait
- Department of Chemical Engineering, Indian Institute of Technology, Guwahati 781039, India;
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Sadeghzadeh A, Bazgir S, Shirazi MMA. Fabrication and characterization of a novel hydrophobic polystyrene membrane using electroblowing technique for desalination by direct contact membrane distillation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116498] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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31
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Superhydrophobic membrane by hierarchically structured PDMS-POSS electrospray coating with cauliflower-shaped beads for enhanced MD performance. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117638] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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32
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Triple-Layer Nanocomposite Membrane Prepared by Electrospinning Based on Modified PES with Carbon Nanotubes for Membrane Distillation Applications. MEMBRANES 2020; 10:membranes10010015. [PMID: 31963230 PMCID: PMC7022323 DOI: 10.3390/membranes10010015] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/28/2019] [Accepted: 01/14/2020] [Indexed: 11/17/2022]
Abstract
In this work, a novel triple-layer nanocomposite membrane prepared with polyethersulfone (PES)/carbon nanotubes (CNTs) as the primary bulk material and poly (vinylidene fluoride-co-hexafluoro propylene) (PcH)/CNTs as the outer and inner surfaces of the membrane by using electrospinning method is introduced. Modified PES with CNTs was chosen as the bulk material of the triple-layer membrane to obtain a high porosity membrane. Both the upper and lower surfaces of the triple-layer membrane were coated with PcH/CNTs using electrospinning to get a triple-layer membrane with high total porosity and noticeable surface hydrophobicity. Combining both characteristics, next to an acceptable bulk hydrophobicity, resulted in a compelling membrane for membrane distillation (MD) applications. The prepared membrane was utilized in a direct contact MD system, and its performance was evaluated in different salt solution concentrations, feed velocities and feed solution temperatures. The results of the prepared membrane in this study were compared to those reported in previously published papers. Based on the evaluated membrane performance, the triple-layer nanocomposite membrane can be considered as a potential alternative with reasonable cost, relative to other MD membranes.
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33
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Improved desalination properties of hydrophobic GO-incorporated PVDF electrospun nanofibrous composites for vacuum membrane distillation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.115889] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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34
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Guo J, Lee JG, Tan T, Yeo J, Wong PW, Ghaffour N, An AK. Enhanced ammonia recovery from wastewater by Nafion membrane with highly porous honeycomb nanostructure and its mechanism in membrane distillation. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.117265] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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35
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Homocianu M, Pascariu P. Electrospun Polymer-Inorganic Nanostructured Materials and Their Applications. POLYM REV 2019. [DOI: 10.1080/15583724.2019.1676776] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
| | - Petronela Pascariu
- “Petru Poni” Institute of Macromolecular Chemistry, Iasi, Romania
- Faculty of Electrical Engineering and Computer Science & MANSiD Research Center, Stefan cel Mare University, Suceava, Romania
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36
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Chen X, Boo C, Yip NY. Low-temperature heat utilization with vapor pressure-driven osmosis: Impact of membrane properties on mass and heat transfer. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.117181] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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37
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Electrospun nanofibrous membranes in membrane distillation: Recent developments and future perspectives. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.03.080] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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38
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Huang Q, Gao S, Huang Y, Zhang M, Xiao C. Study on photothermal PVDF/ATO nanofiber membrane and its membrane distillation performance. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.04.019] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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39
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Qing W, Wang J, Ma X, Yao Z, Feng Y, Shi X, Liu F, Wang P, Tang CY. One-step tailoring surface roughness and surface chemistry to prepare superhydrophobic polyvinylidene fluoride (PVDF) membranes for enhanced membrane distillation performances. J Colloid Interface Sci 2019; 553:99-107. [PMID: 31200232 DOI: 10.1016/j.jcis.2019.06.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/22/2019] [Accepted: 06/04/2019] [Indexed: 11/15/2022]
Abstract
Superhydrophobic polyvinylidene fluoride (PVDF) membrane is a promising material for membrane distillation. Existing approaches for preparing superhydrophobic PVDF membrane often involve separate manipulation of surface roughness and surface chemistry. Here we report a one-step approach to simultaneously manipulate both the surface roughness and surface chemistry of PVDF nanofibrous membranes for enhanced direct-contact membrane distillation (DCMD) performances. The manipulation was realized in a unique solvent-thermal treatment process, during which a treatment solution containing alcohols was involved. We demonstrate that by using different chain-length alcohols in the treatment solvent, surface roughness can be promoted by creating nanofin structures on the PVDF nanofibers using an alcohol which has moderate affinity with PVDF. Meanwhile, surface chemistry can be tuned by adjusting the fraction distribution of crystal phases (nonpolar α phase and polar β phase) in the membrane using different alcohols. PVDF membranes with different surface wettabilities were used to evaluate the effects of surface roughness and surface energy on the DCMD performances. Combining both low surface energy and multi-scale surface roughness, pentanol-treated PVDF membrane achieved best anti-water property (water contact angle of 164.1° and sliding angle of 8.1°), and exhibited superior water flux and enhanced anti-wetting ability to low-surface-tension feed in the DCMD application.
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Affiliation(s)
- Weihua Qing
- Department of Civil Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong
| | - Jianqiang Wang
- Department of Civil Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong; Key Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Xiaohua Ma
- Department of Civil Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong; Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Zhikan Yao
- Department of Civil Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong
| | - Yong Feng
- Department of Civil Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong
| | - Xiaonan Shi
- Department of Civil Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong
| | - Fu Liu
- Key Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Peng Wang
- Water Desalination and Reuse Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Chuyang Y Tang
- Department of Civil Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong.
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40
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Huang FYC, Arning A. Performance Comparison between Polyvinylidene Fluoride and Polytetrafluoroethylene Hollow Fiber Membranes for Direct Contact Membrane Distillation. MEMBRANES 2019; 9:membranes9040052. [PMID: 30978973 PMCID: PMC6523259 DOI: 10.3390/membranes9040052] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 04/07/2019] [Accepted: 04/08/2019] [Indexed: 11/28/2022]
Abstract
Increasing water demand coupled with projected climate change puts the Southwestern United States at the highest risk of water sustainability by 2050. Membrane distillation offers a unique opportunity to utilize the substantial, but largely untapped geothermal brackish groundwater for desalination to lessen the stress. Two types of hydrophobic, microporous hollow fiber membranes (HFMs), including polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF), were evaluated for their effectiveness in direct contact membrane distillation (DCMD). Water flux and salt rejection were measured as a function of module packing density and length in lab-scale systems. The PVDF HFMs generally exhibited higher water flux than the PTFE HFMs possibly due to thinner membrane wall and higher porosity. As the packing density or module length increased, water flux declined. The water production rate per module, however, increased due to the larger membrane surface area. A pilot-scale DCMD system was deployed to the 2nd largest geothermally-heated greenhouse in the United States for field testing over a duration of about 22 days. The results demonstrated the robustness of the DCMD system in the face of environmental fluctuation at the facility.
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Affiliation(s)
- Frank Y C Huang
- Department of Civil and Environmental Engineering, New Mexico Tech, Socorro, NM 87801, USA.
| | - Allie Arning
- Department of Civil and Environmental Engineering, New Mexico Tech, Socorro, NM 87801, USA.
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41
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Hosseini Ravandi SA, Mehrara S, Sadrjahani M, Khodaparast Haghi A. Tunable wicking behavior via titanium oxide embedded in polyacrylonitrile nanofiber strings of yarn. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-02737-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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42
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Reinforced superhydrophobic membrane coated with aerogel-assisted polymeric microspheres for membrane distillation. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2018.12.019] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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43
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Seyed Shahabadi SM, Brant JA. Bio-inspired superhydrophobic and superoleophilic nanofibrous membranes for non-aqueous solvent and oil separation from water. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.08.038] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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44
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Shan H, Liu J, Li X, Li Y, Tezel FH, Li B, Wang S. Nanocoated amphiphobic membrane for flux enhancement and comprehensive anti-fouling performance in direct contact membrane distillation. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.09.038] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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45
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Li M, Zheng Y, Xin B, Xu Y. Roles of Coaxial Spinneret in Taylor Cone and Morphology of Core–Shell Fibers. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b04341] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Masha Li
- School of Fashion Engineering, Shanghai University of Engineering Science, Shanghai 201620, People’s Republic of China
| | - Yuansheng Zheng
- School of Fashion Engineering, Shanghai University of Engineering Science, Shanghai 201620, People’s Republic of China
| | - Binjie Xin
- School of Fashion Engineering, Shanghai University of Engineering Science, Shanghai 201620, People’s Republic of China
| | - Yinqi Xu
- School of Fashion Engineering, Shanghai University of Engineering Science, Shanghai 201620, People’s Republic of China
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46
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Galiano F, Song X, Marino T, Boerrigter M, Saoncella O, Simone S, Faccini M, Chaumette C, Drioli E, Figoli A. Novel Photocatalytic PVDF/Nano-TiO₂ Hollow Fibers for Environmental Remediation. Polymers (Basel) 2018; 10:E1134. [PMID: 30961059 PMCID: PMC6403937 DOI: 10.3390/polym10101134] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/06/2018] [Accepted: 10/09/2018] [Indexed: 11/30/2022] Open
Abstract
Polyvinylidene difluoride (PVDF) mixed matrix membranes loaded with inorganic TiO₂ nanoparticles have received increasing attention in the last few years as self-cleaning membranes for possible application in wastewater treatment and seawater filtration. These novel membranes show increased hydrophilicity, stability and catalytic activity under UV-A irradiation. In this work, PVDF-TiO₂ hollow fibers were prepared by employing new strategies for enhancing the stability of the TiO₂ dispersion, reducing particle agglomeration and improving their distribution. The spinning conditions for producing ultrafiltration hollow fiber membranes from PVDF material and nano-TiO₂ were investigated. Finally, the optimized fibers have been characterized and tested for methylene blue (MB) degradation in water and salty seawater, revealing good permeability, long-term stability under UV-A irradiation, and photo-catalytic activity in both test solutions.
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Affiliation(s)
- Francesco Galiano
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Xue Song
- Fraunhofer IGB, Nobelstrasse 12, 70569 Stuttgart, Germany.
| | - Tiziana Marino
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | | | - Omar Saoncella
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Silvia Simone
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Mirko Faccini
- LEITAT, C/de la Innovació, 2 08225 Terrassa (Barcelona), Spain.
| | | | - Enrico Drioli
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Alberto Figoli
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
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47
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Farid MU, Guo J, An AK. Bacterial inactivation and in situ monitoring of biofilm development on graphene oxide membrane using optical coherence tomography. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.06.061] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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48
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Rezaei M, Warsinger DM, Lienhard V JH, Duke MC, Matsuura T, Samhaber WM. Wetting phenomena in membrane distillation: Mechanisms, reversal, and prevention. WATER RESEARCH 2018; 139:329-352. [PMID: 29660622 DOI: 10.1016/j.watres.2018.03.058] [Citation(s) in RCA: 247] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 03/01/2018] [Accepted: 03/25/2018] [Indexed: 06/08/2023]
Abstract
Membrane distillation (MD) is a rapidly emerging water treatment technology; however, membrane pore wetting is a primary barrier to widespread industrial use of MD. The primary causes of membrane wetting are exceedance of liquid entry pressure and membrane fouling. Developments in membrane design and the use of pretreatment have provided significant advancement toward wetting prevention in membrane distillation, but further progress is needed. In this study, a broad review is carried out on wetting incidence in membrane distillation processes. Based on this perspective, the study describes the wetting mechanisms, wetting causes, and wetting detection methods, as well as hydrophobicity measurements of MD membranes. This review discusses current understanding and areas for future investigation on the influence of operating conditions, MD configuration, and membrane non-wettability characteristics on wetting phenomena. Additionally, the review highlights mathematical wetting models and several approaches to wetting control, such as membrane fabrication and modification, as well as techniques for membrane restoration in MD. The literature shows that inorganic scaling and organic fouling are the main causes of membrane wetting. The regeneration of wetting MD membranes is found to be challenging and the obtained results are usually not favorable. Several pretreatment processes are found to inhibit membrane wetting by removing the wetting agents from the feed solution. Various advanced membrane designs are considered to bring membrane surface non-wettability to the states of superhydrophobicity and superomniphobicity; however, these methods commonly demand complex fabrication processes or high-specialized equipment. Recharging air in the feed to maintain protective air layers on the membrane surface has proven to be very effective to prevent wetting, but such techniques are immature and in need of significant research on design, optimization, and pilot-scale studies.
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Affiliation(s)
- Mohammad Rezaei
- Institute of Process Engineering, Johannes Kepler University Linz, Altenberger Strasse 69, 4040 Linz, Austria.
| | - David M Warsinger
- Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06520-8286, USA; Rohsenow Kendall Heat Transfer Laboratory, Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge MA 02139-4307, USA
| | - John H Lienhard V
- Rohsenow Kendall Heat Transfer Laboratory, Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge MA 02139-4307, USA
| | - Mikel C Duke
- Institute for Sustainability and Innovation, College of Engineering and Science, Victoria University, Melbourne, Victoria 8001, Australia
| | - Takeshi Matsuura
- Department of Chemical and Biological Engineering, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Wolfgang M Samhaber
- Institute of Process Engineering, Johannes Kepler University Linz, Altenberger Strasse 69, 4040 Linz, Austria
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49
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Khayet M, Wang R. Mixed Matrix Polytetrafluoroethylene/Polysulfone Electrospun Nanofibrous Membranes for Water Desalination by Membrane Distillation. ACS APPLIED MATERIALS & INTERFACES 2018; 10:24275-24287. [PMID: 29924587 DOI: 10.1021/acsami.8b06792] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The electrospinning technique was used successfully to fabricate nanofibers of polysulfone (PSF) in which polytetrafuoroethylene nanoparticles (PTFE NPs) were embedded. The size of the PTFE NPs is only 1.7 to 3.6 times smaller than the nanofiber diameter. The transition from hydrophobic to superhydrophobic character of the bead-free PSF electrospun nanofiber mats occurred with a PTFE NPs loading in the range 12-18% of the PSF weight. Transmission electron microscopy images revealed protruding nanosized asperities on the fiber surface due to the embedded PTFE NPs in the PSF matrix. For low PTFE NPs content in PSF matrix (<6% of the polymer weight), the PTFE NPs were arranged one by one in a single file along the PSF nanofiber axis. The structural characteristics of the nanofibers and electrospun nanofibrous membranes (ENMs) were studied by means of different techniques and their relationship with the PTFE NPs loading in PSF were discussed. The PSF/PTFE ENMs were tested in desalination by direct contact membrane distillation (DCMD) and the obtained performance was discussed in terms of the ENMs structural characteristics. Competitive permeate fluxes, as high as 39.5 kg/m2h, with stable low permeate electrical conductivities (<7.145 μS/cm) for 30 g/L NaCl aqueous solution and transmembrane temperature of 60 °C were achieved without detecting any interfiber space wetting.
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Affiliation(s)
- Mohamed Khayet
- Department of Structure of Matter, Thermal Physics and Electronics, Faculty of Physics , University Complutense of Madrid , Avda. Complutense s/n 28040 Madrid , Spain
- Madrid Institute of Advances Studies of Water (IMDEA Water Institute) , Calle Punto Com No. 2 , 28805 Alcalá de Henares, Madrid , Spain
| | - Rong Wang
- Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute , Nanyang Technological University , 1 Cleantech Loop , Singapore 637141 , Singapore
- School of Civil and Environmental Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
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50
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Cheng D, Zhang J, Li N, Ng D, Gray SR, Xie Z. Antiwettability and Performance Stability of a Composite Hydrophobic/Hydrophilic Dual-Layer Membrane in Wastewater Treatment by Membrane Distillation. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dongjian Cheng
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, 710049, China
- CSIRO Manufacturing, Private bag 10, Clayton South MDC, VIC 3169, Australia
| | - Jianhua Zhang
- Institute for Sustainability and Innovation, Victoria University, P.O. Box 14428, Melbourne, VIC 8001, Australia
| | - Na Li
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, 710049, China
| | - Derrick Ng
- CSIRO Manufacturing, Private bag 10, Clayton South MDC, VIC 3169, Australia
| | - Stephen R. Gray
- Institute for Sustainability and Innovation, Victoria University, P.O. Box 14428, Melbourne, VIC 8001, Australia
| | - Zongli Xie
- CSIRO Manufacturing, Private bag 10, Clayton South MDC, VIC 3169, Australia
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