51
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Maeda Y. Roles of Sulfites in Reverse Osmosis (RO) Plants and Adverse Effects in RO Operation. MEMBRANES 2022; 12:170. [PMID: 35207091 PMCID: PMC8874662 DOI: 10.3390/membranes12020170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/21/2022] [Accepted: 01/21/2022] [Indexed: 02/04/2023]
Abstract
More than 60 years have passed since UCLA first announced the development of an innovative asymmetric cellulose acetate reverse osmosis (RO) membrane in 1960. This innovation opened a gate to use RO for commercial use. RO is now ubiquitous in water treatment and has been used for various applications, including seawater desalination, municipal water treatment, wastewater reuse, ultra-pure water (UPW) production, and industrial process waters, etc. RO is a highly integrated system consisting of a series of unit processes: (1) intake system, (2) pretreatment, (3) RO system, (4) post-treatment, and (5) effluent treatment and discharge system. In each step, a variety of chemicals are used. Among those, sulfites (sodium bisulfite and sodium metabisulfite) have played significant roles in RO, such as dechlorination, preservatives, shock treatment, and sanitization, etc. Sulfites especially became necessary as dechlorinating agents because polyamide hollow-fiber and aromatic thin-film composite RO membranes developed in the late 1960s and 1970s were less tolerable with residual chlorine. In this review, key applications of sulfites are explained in detail. Furthermore, as it is reported that sulfites have some adverse effects on RO membranes and processes, such phenomena will be clarified. In particular, the following two are significant concerns using sulfites: RO membrane oxidation catalyzed by heavy metals and a trigger of biofouling. This review sheds light on the mechanism of membrane oxidation and triggering biofouling by sulfites. Some countermeasures are also introduced to alleviate such problems.
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Affiliation(s)
- Yasushi Maeda
- LG Chem Japan Co., Ltd., Kyobashi Trust Tower 12F, 2-1-3 Kyobashi Chuo-ku, Tokyo 104-0031, Japan
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52
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El-Aswar EI, Ramadan H, Elkik H, Taha AG. A comprehensive review on preparation, functionalization and recent applications of nanofiber membranes in wastewater treatment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 301:113908. [PMID: 34626949 DOI: 10.1016/j.jenvman.2021.113908] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 10/02/2021] [Accepted: 10/03/2021] [Indexed: 06/13/2023]
Abstract
The direct discharge of significant amounts of polluted water into water bodies causes adverse ecological and human health effects. This severe deterioration in water quality creates significant challenges to meet the growing demand for clean water. Therefore, the world urgently needs environmentally friendly advanced technology to overcome this global crisis. In this regard, nanofiber-based membrane filtration is a promising technique in wastewater remediation because of their huge surface area, extremely porous structure, amenable pore size/pore size distribution, variety of material choices, and flexibility to modification with other functional materials. However, despite their unique properties, fouling, poor mechanical properties, shrinkage, and deformation are major drawbacks of nanofiber membranes for treating wastewater. This review presents a comprehensive overview of nanofiber membranes' fabrication and function in water purification applications as well as providing novel approaches to overcoming/alleviating the mentioned disadvantages. The review first presents nanofiber membrane preparation methods, focusing on electrospinning as a versatile and viable technique alongside discussing the parameters controlling nanofiber morphology. Afterward, the functionalization of nanofiber membranes by combining them with other nanomaterials, such as metal and metal-oxide nanoparticles, carbon nanotubes, metal-organic frameworks, and biomolecules, were demonstrated and discussed. In addition, nanofiber membranes functionalized with microorganisms were highlighted. Finally, we introduced and discussed in detail the most relevant and recent advances in nanofiber applications in wastewater treatment in the context of removing different pollutants (e.g., heavy metals, nutrients, radioactive elements, pharmaceuticals, and personal care products, dyes, and pesticides). Moreover, the promising antimicrobial ability of nanofiber membranes in removing microorganisms from wastewater has been fully underscored. We believe this comprehensive review could provide researchers with preliminary data and guide both researchers and producers engaged in the nanofiber membrane industry, letting them focus on the research gaps in wastewater treatment.
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Affiliation(s)
- Eslam Ibrahim El-Aswar
- Central Laboratories for Environmental Quality Monitoring, National Water Research Center, El-Kanater, Qalyubiyah, 13621, Egypt.
| | - Hassan Ramadan
- Public Works Engineering Department, Faculty of Engineering, Tanta University, Tanta, 31733, Egypt
| | - Hussin Elkik
- Department of Chemistry, Faculty of Science, South Valley University, Qena, 83523, Egypt
| | - Ahmed G Taha
- Department of Chemistry, Faculty of Science, South Valley University, Qena, 83523, Egypt
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53
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Li Y, Jiao J, Wu Q, Song Q, Xie W, Liu B. Environmental applications of graphene oxide composite membranes. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.01.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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54
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Li S, Zhang X, Liu Y, Su J. Asymmetric transport and desalination in graphene channels. Phys Chem Chem Phys 2022; 24:13245-13255. [DOI: 10.1039/d2cp00025c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An asymmetric desalination phenomenon occurs in graphene channels with different geometries.
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Affiliation(s)
- Shuang Li
- Department of Applied Physics, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Xinke Zhang
- Department of Applied Physics, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Yuzhen Liu
- Department of Applied Physics, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Jiaye Su
- Department of Applied Physics, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
- MIIT Key Laboratory of Semiconductor Microstructure and Quantum Sensing, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
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55
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Omniphobic membrane with nest-like re-entrant structure via electrospraying strategy for robust membrane distillation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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56
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Lettow JH, Yang H, Nealey PF, Rowan SJ. Effect of Graft Molecular Weight and Density on the Mechanical Properties of Polystyrene-Grafted Cellulose Nanocrystal Films. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01886] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- James H. Lettow
- Pritzker School of Molecular Engineering, University of Chicago, 5640 S. Ellis Avenue, Chicago, Illinois 60637, United States
| | - Han Yang
- Pritzker School of Molecular Engineering, University of Chicago, 5640 S. Ellis Avenue, Chicago, Illinois 60637, United States
| | - Paul F. Nealey
- Pritzker School of Molecular Engineering, University of Chicago, 5640 S. Ellis Avenue, Chicago, Illinois 60637, United States
| | - Stuart J. Rowan
- Pritzker School of Molecular Engineering, University of Chicago, 5640 S. Ellis Avenue, Chicago, Illinois 60637, United States
- Department of Chemistry, University of Chicago, 5735 S Ellis Avenue, Chicago, Illinois 60637, United States
- Chemical and Engineering Sciences Division, Argonne National Laboratory, 9700 Cass Avenue, Lemont, Illinois 60439, United States
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57
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Golgoli M, Khiadani M, Shafieian A, Sen TK, Hartanto Y, Johns ML, Zargar M. Microplastics fouling and interaction with polymeric membranes: A review. CHEMOSPHERE 2021; 283:131185. [PMID: 34144295 DOI: 10.1016/j.chemosphere.2021.131185] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/31/2021] [Accepted: 06/08/2021] [Indexed: 05/23/2023]
Abstract
The emergence and accumulation of microplastics (MPs) in various aquatic environments have recently raised significant concerns. Wastewater treatment plants (WWTPs) have been identified as one of the major sources of MPs discharge to the environment, implying a substantial need to improve advanced techniques for more efficient removal of MPs. Polymeric membranes have been proven effective in MPs removal. However, fouling is the main drawback of membrane processes and MPs can foul the membranes due to their small size and specific surface properties. Hence, it is important to investigate the impacts of MPs on membrane fouling to develop efficient membrane-based techniques for MPs removal. Although membrane technologies have a high potential for MPs removal, the interaction of MPs with membranes and their fouling effects have not been critically reviewed. The purpose of this paper is to provide a state-of-the-art review of MPs interaction with membranes and facilitate a better understanding of the relevant limitations and prospects of the membrane technologies. The first section of this paper is dedicated to a review of recent studies on MPs occurrence in WWTPs aiming to determine the most frequent MPs. This is followed by a summary of recent studies on MPs removal using membranes and discussions on the impact of MPs on membrane fouling and other probable issues (abrasion, concentration polarisation, biofouling, etc.). Finally, some recommendations for further research in this area are highlighted. This study serves as a valuable reference for future research on the development of anti-fouling membranes considering these new emerging contaminates.
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Affiliation(s)
- M Golgoli
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA, 6027, Australia
| | - M Khiadani
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA, 6027, Australia
| | - A Shafieian
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA, 6027, Australia
| | - T K Sen
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA, 6027, Australia
| | - Y Hartanto
- Materials and Process Engineering (iMMC-IMAP), UC Louvain, Place Sainte Barbe 2, 1348, Louvain-la-Neuve, Belgium
| | - M L Johns
- Department of Chemical Engineering, School of Engineering, University of Western Australia, Crawley, WA, 6009, Australia
| | - M Zargar
- School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA, 6027, Australia.
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58
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Nahvi R, Babanzadeh S, Mehdipour‐Ataei S. Poly(aryl ether sulfone sulfide)/flower‐like
ZnO
nanocomposites: Synthesis, characterization and application as water treatment membrane. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rahil Nahvi
- Faculty of Polymer Science Iran Polymer and Petrochemical Institute Tehran Iran
| | - Samal Babanzadeh
- Faculty of Polymer Science Iran Polymer and Petrochemical Institute Tehran Iran
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59
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Fabrication of High Performance PVDF Hollow Fiber Membrane Using Less Toxic Solvent at Different Additive Loading and Air Gap. MEMBRANES 2021; 11:membranes11110843. [PMID: 34832072 PMCID: PMC8622764 DOI: 10.3390/membranes11110843] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 11/21/2022]
Abstract
Existing toxic solvents in the manufacturing of polymeric membranes have been raising concerns due to the risks of exposure to health and the environment. Furthermore, the lower tensile strength of the membrane renders these membranes unable to endure greater pressure during water treatment. To sustain a healthier ecosystem, fabrication of polyvinylidene fluoride (PVDF) hollow fiber membrane using a less toxic solvent, triethyl phosphate (TEP), with a lower molecular weight polyethylene glycol (PEG 400) (0–3 wt.%) additive were experimentally demonstrated via a phase inversion-based spinning technique at various air gap (10, 20 and 30 cm). Membrane with 2 wt.% of PEG 400 exhibited the desired ultrafiltration asymmetric morphology, while 3 wt.% PEG 400 resulting microfiltration. The surface roughness, porosity, and water flux performance increased as the loading of PEG 400 increased. The mechanical properties and contact angle of the fabricated membrane were influenced by the air gap where 20 cm indicate 2.91 MPa and 84.72°, respectively, leading to a stronger tensile and hydrophilicity surface. Lower toxicity TEP as a solvent helped in increasing the tensile properties of the membrane as well as producing an eco-friendly membrane towards creating a sustainable environment. The comprehensive investigation in this study may present a novel composition for the robust structure of polymeric hollow fiber membrane that is suitable in membrane technology.
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60
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Tiruneh Adugna A. Development in nanomembrane-based filtration of emerging contaminants. PHYSICAL SCIENCES REVIEWS 2021. [DOI: 10.1515/psr-2021-0057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Recently, the concentration of emerging contaminants is increasing in drinking water sources, industrial wastewater, and reclaimed water. It is not possible to remove the emerging contaminants using conventional methods, and the interest to use nanomembrane-based filtration is getting attention. A nanomembrane-based filtration can be manipulated without the use of any special equipment. Different research findings reported better removal of emerging contaminants has been achieved using nanomembrane-based filtration. Moreover, new developments have been examined and implemented at different levels and are expected to continue. Therefore, this chapter provides a brief overview of recent developments on nanomembrane-based filtration processes in the removal of emerging contaminants from drinking water sources, industrial wastewater, and reclaimed water.
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Affiliation(s)
- Amare Tiruneh Adugna
- Department of Environmental Engineering , Addis Ababa Science and Technology University, College of Biological and Chemical Engineering , Addis Ababa , Ethiopia
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61
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Cats P, van Roij R. The differential capacitance as a probe for the electric double layer structure and the electrolyte bulk composition. J Chem Phys 2021; 155:104702. [PMID: 34525830 DOI: 10.1063/5.0064315] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
In this work, we theoretically study the differential capacitance of an aqueous electrolyte in contact with a planar electrode, using classical density functional theory, and show how this measurable quantity can be used as a probe to better understand the structure and composition of the electric double layer at play. Specifically, we show how small trace amounts of divalent ions can influence the differential capacitance greatly and also how small ions dominate its behavior for high electrode potentials. In this study, we consider primitive model electrolytes and not only use the standard definition of the differential capacitance but also derive a new expression from mechanical equilibrium in a planar geometry. This expression reveals explicitly that the first layer of ions near the charged surface is key to its understanding. Our insights might be used as a guide in experiments to better understand the electrolyte-electrode interface as well as the (composition of the) bulk electrolyte.
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Affiliation(s)
- Peter Cats
- Institute for Theoretical Physics, Center for Extreme Matter and Emergent Phenomena, Utrecht University, Princetonplein 5, Utrecht 3584 CC, The Netherlands
| | - René van Roij
- Institute for Theoretical Physics, Center for Extreme Matter and Emergent Phenomena, Utrecht University, Princetonplein 5, Utrecht 3584 CC, The Netherlands
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62
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Bandehali S, Parvizian F, Ruan H, Moghadassi A, Shen J, Figoli A, Adeleye AS, Hilal N, Matsuura T, Drioli E, Hosseini SM. A planned review on designing of high-performance nanocomposite nanofiltration membranes for pollutants removal from water. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.06.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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63
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Heidari A, Abdollahi E, Mohammadi T, Asadi AA. Improving permeability, hydrophilicity and antifouling characteristic of PES hollow fiber UF membrane using carboxylic PES: A promising substrate to fabricate NF layer. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118811] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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64
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Polysulfone Membranes Based Hybrid Nanocomposites for the Adsorptive Removal of Hg(II) Ions. Polymers (Basel) 2021; 13:polym13162792. [PMID: 34451330 PMCID: PMC8398493 DOI: 10.3390/polym13162792] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 08/11/2021] [Accepted: 08/17/2021] [Indexed: 12/20/2022] Open
Abstract
Organic-inorganic nanoparticles, which can improve and modify the mechanical and chemical properties of polymers, have been used as fillers to prepare high-performance hybrid nanocomposite membranes. In this study, we explored whether the incorporation of organic nanofillers (graphene (G), graphene oxide (GO), carbon nanotubes (CNTs), or oxidized carbon nanotubes (CNTOxi)) into polysulfone (PSF) and montmorillonite (MMt)-modified PSF membranes could enhance membrane performance for the removal of heavy metal ions from contaminated solutions. These hybrid membranes were prepared by a phase inversion method using chloroform as the solvent. The surface morphologies of the membranes revealed good dispersibility of the organoclay and carbon nanomaterials in the PSF matrix. The hybrid nanocomposite membranes showed significantly improved thermal stability and mechanical properties as compared to the pristine PSF and PSF/MMt membranes. The adsorption efficiencies of these hybrid adsorptive membranes for Hg(II), Pb(II), Sr(II), Fe(III), Zn(II), Ni(II), Al(III), Co(II), Y(III), and Cr(III) were investigated. The PSF/MMt/CNTOxi and PSF/MMt/GO membranes exhibited the highest adsorption efficiencies. In particular, these adsorptive membranes showed selectivity toward Hg(II), and the Hg(II) extraction percentage was maximized at pH 2. The maximum Hg(II) adsorption capacities of PSF/MMt/CNTOxi and PSF/MMt/GO were 151.36 and 144.89 mg/g, respectively, and the adsorption isotherm was in approval with the Langmuir model. These hybrid nanocomposites can be used in water purification application.
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65
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Electrospray interface-less polymerization to fabricate high-performance thin film composite polyamide membranes with controllable skin layer growth. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119369] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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66
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Mortaheb H, Baghban Salehi M, Rajabzadeh M. Optimized hybrid PVDF/graphene membranes for enhancing performance of AGMD process in water desalination. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.04.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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67
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Shukla AK, Alam J, Alhoshan MS, Ali FAA, Mishra U, Hamid AA. Thin-Film Nanocomposite Membrane Incorporated with Porous Zn-Based Metal-Organic Frameworks: Toward Enhancement of Desalination Performance and Chlorine Resistance. ACS APPLIED MATERIALS & INTERFACES 2021; 13:28818-28831. [PMID: 34105354 DOI: 10.1021/acsami.1c05469] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Metal-organic framework (MOF) materials have received extensive attention for the design of advanced thin-film nanocomposite (TFN) membranes with excellent permselectivity. However, the relationship between the unique physicochemical properties and performance of engineered MOF-based membranes has yet to be extensively investigated. In this work, we investigate the incorporation of porous zinc-based MOFs (Zn-MOFs) into a polyamide active layer for the fabrication of TFN membranes on porous poly(phenylsulfone) (PPSU) support layers through an interfacial polymerization approach. The actual effects of varying the amount of Zn-MOF added as a nanofiller on the physicochemical properties and desalination performance of TFN membranes are studied. The presence and layout of Zn-MOFs on the top layer of the membranes were confirmed by X-ray photoelectron spectroscopy, scanning electron microscopy, and ζ potential analysis. The characterization results revealed that Zn-MOFs strongly bind with polyamide and significantly change the membrane chemistry and morphology. The results indicate that all four studied TFN membranes with incorporated Zn-MOFs enhanced the water permeability while retaining high salt rejection compared to a thin-film composite membrane. Moreover, the highest-performing membrane (50 mg/L Zn-MOF added nanofiller) not only exhibited a water permeability of 2.46 ± 0.12 LMH/bar but also maintained selectivity to reject NaCl (>90%) and Na2SO4 (>95%), similar to benchmark values. Furthermore, the membranes showed outstanding water stability throughout 72 h filtration and chlorine resistance after a 264 h chlorine-soaking test because of the better compatibility between the polyamide and Zn-MOF nanofiller. Therefore, the developed TFN membrane has potential to solve trade-off difficulties between permeability and selectivity. Our findings indicate that porous Zn-MOFs play a significant role in the development of a TFN membrane with high desalination performance and chlorine resistance.
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Affiliation(s)
- Arun Kumar Shukla
- King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Javed Alam
- King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mansour Saleh Alhoshan
- King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Department of Chemical Engineering, College of Engineering, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- K.A. CARE Energy Research and Innovation Center at Riyadh, P.O. Box 2022, Riyadh 11451, Saudi Arabia
| | - Fekri Abdulraqeb Ahmed Ali
- Department of Chemical Engineering, College of Engineering, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Umesh Mishra
- Department of Civil Engineering, National Institute of Technology, Jirania, Agartala 799046, Tripura (W), India
| | - Ali Awadh Hamid
- Department of Chemical Engineering, College of Engineering, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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68
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A Comprehensive Review of Polymeric Wastewater Purification Membranes. JOURNAL OF COMPOSITES SCIENCE 2021. [DOI: 10.3390/jcs5060162] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Synthetic membranes are currently employed for multiple separation applications in various industries. They may have been prepared from organic or inorganic materials. Present research majorly focuses on polymeric (i.e., organic) membranes because they show better flexibility, pore formation mechanism, and thermal and chemical stability, and demand less area for installation. Dendritic, carbon nanotube, graphene and graphene oxide, metal and metal oxide, zwitter-ionic, and zeolite-based membranes are among the most promised water treatment membranes. This paper critically reviews the ongoing developments to utilize nanocomposite membranes to purify water. Various membranes have been reported to study their resistance and fouling properties. A special focus is given towards multiple ways in which these nanocomposite membranes can be employed. Therefore, this review provides a platform to develop the awareness of current research and motivate its readers to make further progress for utilizing nanocomposite membranes in water purification.
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69
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Elrasheedy A, Rabie M, El-Shazly AH, Bassyouni M, El-Moneim AA, El-Kady MF. Investigation of Different Membrane Porosities on the Permeate Flux of Direct Contact Membrane Distillation. KEY ENGINEERING MATERIALS 2021; 889:85-90. [DOI: 10.4028/www.scientific.net/kem.889.85] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
In the present study the surface morphology of electrospun fibers at different polystyrene (PS) solution concentration was studied by SEM imaging to determine the best PS solution concentration yielding continuous uniform beadles fibers. Contact angle measurements of the optimum fabricatedPS-18 membrane confirmed the super hydrophobic property of the membrane that exhibited a static water contact angle of 145o. Numerical investigation of the performance of PS-18 membrane at different membrane thicknesses and porosities on direct contact membrane distillation showed that increasing the membrane porosity increases the permeate flux considerably.
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Affiliation(s)
| | - Mohammed Rabie
- Egypt-Japan University of Science and Technology (E-JUST)
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70
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Mancilla-Rico A, de Gyves J, Rodríguez de San Miguel E. Structural Characterization of the Plasticizers' Role in Polymer Inclusion Membranes Used for Indium (III) Transport Containing IONQUEST ® 801 as Carrier. MEMBRANES 2021; 11:membranes11060401. [PMID: 34072203 PMCID: PMC8229818 DOI: 10.3390/membranes11060401] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/20/2021] [Accepted: 05/24/2021] [Indexed: 11/27/2022]
Abstract
Polymer inclusion membranes containing cellulose triacetate as support, Ionquest® 801 ((2–ethylhexyl acid) -mono (2–ethylhexyl) phosphonic ester) as extractant, and 2NPOE (o–nitrophenyl octyl ether) or TBEP (tri (2–butoxyethyl phosphate)) as plasticizers were characterized using several instrumental techniques (Fourier Transform Infrared Spectroscopy (FT–IR), Reflection Infrared Mapping Microscopy (RIMM), Electrochemical Impedance Spectroscopy (EIS), Differential Scanning Calorimetry (DSC)) with the aim of determining physical and chemical parameters (structure, electric resistance, dielectric constant, thickness, components’ distributions, glass transition temperature, stability) that allow a better comprehension of the role that the plasticizer plays in PIMs designed for In(III) transport. In comparison to TBEP, 2NPOE presents less dispersion and affinity in the PIMs, a plasticizer effect at higher content, higher membrane resistance and less permittivity, and a pronounced drop in the glass transition temperature. However, the increase in permittivity with In (III) sorption is more noticeable and, in general, PIMs with 2NPOE present higher permeability values. These facts indicate that In (III) transport is favored in membranes with chemical environment of high polarity and efficiently plasticized. A drawback is the decrease in stability because of the minor affinity among the components in 2NPOE–PIMs.
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71
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Ahmed M, Zewail T, El-Ashtoukhy ES, Farag H, El Azab I, Albatati F, Al-Hossainy A, Zoromba M, Abdel-Aziz M. Enhancement of heavy metals recovery from aqueous solutions by cementation on a rotating cylinder using a stationary wiper. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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72
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Le T, Chen X, Dong H, Tarpeh W, Perea-Cachero A, Coronas J, Martin SM, Mohammad M, Razmjou A, Esfahani AR, Koutahzadeh N, Cheng P, Kidambi PR, Esfahani MR. An Evolving Insight into Metal Organic Framework-Functionalized Membranes for Water and Wastewater Treatment and Resource Recovery. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c00543] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Tin Le
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Xi Chen
- Department of Chemical Engineering, Stanford University, Stanford, California 94305-6104, United States
| | - Hang Dong
- Department of Chemical Engineering, Stanford University, Stanford, California 94305-6104, United States
| | - William Tarpeh
- Department of Chemical Engineering, Stanford University, Stanford, California 94305-6104, United States
| | - Adelaida Perea-Cachero
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50018, Spain
- Chemical and Environmental Engineering Department, Universidad de Zaragoza, Zaragoza, 50018, Spain
| | - Joaquín Coronas
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50018, Spain
- Chemical and Environmental Engineering Department, Universidad de Zaragoza, Zaragoza, 50018, Spain
| | - Stephen M. Martin
- Department of Chemical Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Munirah Mohammad
- Centre for Technology in Water and Wastewater, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Amir Razmjou
- Centre for Technology in Water and Wastewater, University of Technology Sydney, Sydney, New South Wales 2007, Australia
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Amirsalar R. Esfahani
- Department of Mechanical Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0002, United States
| | - Negin Koutahzadeh
- Environmental Health & Safety, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Peifu Cheng
- Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37212, United States
| | - Piran R. Kidambi
- Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37212, United States
| | - Milad Rabbani Esfahani
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
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Maity S, Bhuyan T, Bhattacharya R, Bandyopadhyay D. Self-Organized Implanting of Micro/Nanofiltration Membranes in Advanced Flow μ-Reactors. ACS APPLIED MATERIALS & INTERFACES 2021; 13:19430-19442. [PMID: 33851814 DOI: 10.1021/acsami.1c01078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A low-cost, simple, and one-step synthesis of cellulose acetate nanoparticles (CANPs) has been invented using a continuous-flow advanced microfluidic reactor. For this purpose, the CANPs are self-organized inside a cross-junction microchannel by flowing cellulose acetate (CA) dissolved in N,N-dimethylformamide (DMF) through the axial inlet and the antisolvent water through the pair of side inlets. The preferential solubility (insolubility) of DMF (CA) to antisolvent water stimulates the in situ synthesis of CANPs at the DMF/water miscible interface following a phase-inversion process. Subsequently, nanofiltration, ultrafiltration, and microfiltration membranes of different porosities and permeabilities have been prepared from freshly synthesized CANPs. The porosity, thickness, transparency, and wettability of the membranes are tuned by varying the thickness of the membranes, size of the nanoparticles, and the porosity of the membranes. The as-synthesized CANPs show enhanced bactericidal properties with and without loading an external drug, curcumin, which has been validated against the Gram-negative Pseudomonas aeruginosa species. Importantly, enabling a pulsatile flow during the synthesis, the CANPs are embedded as nanofiltration membranes inside the microfluidic channel. Such microfluidic devices have been used to separate a corrosive dye from water. Concisely, the proposed in situ synthesis of CANPs in the continuous-flow microfluidic reactors, their usage for fabricating membranes with tunable wettability and transparency, and their subsequent integration into the microfluidic channel show the potential of the invention for a host of applications related to health care and environmental remediation.
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Affiliation(s)
- Surjendu Maity
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Tamanna Bhuyan
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Rishav Bhattacharya
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Dipankar Bandyopadhyay
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Assam 781039, India
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam 781039, India
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74
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Agarwal V, Fadil Y, Wan A, Maslekar N, Tran BN, Mat Noor RA, Bhattacharyya S, Biazik J, Lim S, Zetterlund PB. Influence of Anionic Surfactants on the Fundamental Properties of Polymer/Reduced Graphene Oxide Nanocomposite Films. ACS APPLIED MATERIALS & INTERFACES 2021; 13:18338-18347. [PMID: 33835791 DOI: 10.1021/acsami.1c02379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Surfactants are frequently employed in the fabrication of polymer/graphene-based nanocomposites via emulsion techniques. However, the impact of surfactants on the electrical and mechanical properties of such nanocomposite films remains to be explored. We have systematically studied the impact of two anionic surfactants [sodium dodecyl sulfate (SDS) and sodium dodecyl benzene sulfonate (SDBS)] on intrinsic properties of the nanocomposite films comprising reduced graphene oxide in a matrix of poly(styrene-stat-n-butyl acrylate). Using these ambient temperature film-forming systems, we fabricated films with different concentrations of the surfactants (1-7 wt %, relative to the organic phase). Significant differences in film properties were observed both as a function of amount and type of surfactant. Thermally reduced films exhibited concentration-dependent increases in surface roughness, electrical conductivity, and mechanical properties with increasing SDS content. When compared with SDBS, SDS films exhibited an order of magnitude higher electrical conductivity values at every concentration (highest value of ∼4.4 S m-1 for 7 wt % SDS) and superior mechanical properties at higher surfactant concentrations. The present results illustrate how the simple inclusion of a benzene ring in the SDS structure (as in SDBS) can cause a significant change in the electrical and mechanical properties of the nanocomposite. Overall, the present results demonstrate how nanocomposite properties can be judiciously manipulated by altering the concentration and/or type of surfactant.
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Affiliation(s)
- Vipul Agarwal
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Yasemin Fadil
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Alice Wan
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Namrata Maslekar
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Bich Ngoc Tran
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Rabiatul A Mat Noor
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Saroj Bhattacharyya
- Mark Wainwright Analytical Centre, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Joanna Biazik
- Mark Wainwright Analytical Centre, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Sean Lim
- Mark Wainwright Analytical Centre, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Per B Zetterlund
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
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75
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Wang Y, Zhang J, Bao C, Xu X, Li D, Chen J, Hong M, Peng B, Zhang Q. Self-cleaning catalytic membrane for water treatment via an integration of Heterogeneous Fenton and membrane process. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119121] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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76
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Ren Y, Ma Y, Min G, Zhang W, Lv L, Zhang W. A mini review of multifunctional ultrafiltration membranes for wastewater decontamination: Additional functions of adsorption and catalytic oxidation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 762:143083. [PMID: 33162134 DOI: 10.1016/j.scitotenv.2020.143083] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/29/2020] [Accepted: 10/12/2020] [Indexed: 05/25/2023]
Abstract
Multifunctional ultrafiltration membranes, which achieve ultrafiltration and additional functions in one unit, are a new strategy developed in recent years for wastewater treatment. In this mini review, we summarized and commented on the development of adsorptive and catalytically oxidative multifunctional ultrafiltration membranes, as well as pointed out possible further trends. The main methods for membrane preparation, i.e., blending, surface coating, reverse filtration, etc., were summarized, and the advantages and disadvantages of each method were discussed. In addition, the key criteria which influence the performance of membranes, including the efficiency of additional functions, original ultrafiltration, permeance, and stability, were analyzed. Furthermore, we introduced the applications of different classes of multifunctional ultrafiltration membranes, and tried to further analyzed some examples of multifunctional ultrafiltration membranes used for adsorption and catalytic oxidation. The most significant advantage of this technology is the high efficiency for the simultaneous removal of different kinds of pollutants or for the removal of one kind of pollutant during the deep treatment of multicomponent wastewater. However, some challenges still oppose the practical application of multifunctional ultrafiltration. We believe that breaking the trade-off between the high efficiency of additional functions and high flux, strengthening the stability of the membranes, achieving synergistic effects between multi-effect functions, and investigating the interaction mechanisms between active materials and the membrane are key points for further research.
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Affiliation(s)
- Yi Ren
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Yulong Ma
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Guangyu Min
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Wenbin Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Lu Lv
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China; Research Center for Environmental Nanotechnology (ReCENT), Nanjing University, Nanjing 210023, China
| | - Weiming Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China; Research Center for Environmental Nanotechnology (ReCENT), Nanjing University, Nanjing 210023, China; State Environmental Protection Engineering Center for Organic Chemical Wastewater Treatment and Resource Reuse, Nanjing 210046, China.
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77
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Hu Y, Yue M, Yuan F, Yang L, Chen C, Sun D. Bio-inspired fabrication of highly permeable and anti-fouling ultrafiltration membranes based on bacterial cellulose for efficient removal of soluble dyes and insoluble oils. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118982] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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78
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Ewis D, Ismail NA, Hafiz M, Benamor A, Hawari AH. Nanoparticles functionalized ceramic membranes: fabrication, surface modification, and performance. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:12256-12281. [PMID: 33410066 DOI: 10.1007/s11356-020-11847-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/25/2020] [Indexed: 06/12/2023]
Abstract
Membrane technologies are used intensively for desalination and wastewater treatment. Water filtration using ceramic membranes exhibited high performance compared with polymeric membranes due to various properties such as high resistance to fouling, permeability, rejection rate, and chemical stability. Recently, the performance of nanocomposite ceramic membranes was improved due to the development in nanotechnology. This article focusses on the development of porous ceramic membranes and nanomaterial functionalized ceramic membranes for water filtration applications. At the beginning, various fabrication methods of ceramic membranes were described, and the effect of surface modification techniques on the membrane intrinsic properties was reviewed. Then, the performance of nanoparticles functionalized ceramic membranes was evaluated in terms of physicochemical properties, rejection rate, and water permeability. This work can help new entrants and established researchers to become familiar with the current challenges and developments of nanoparticle-incorporated ceramic membranes for water filtration applications.
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Affiliation(s)
- Dina Ewis
- Environmental Engineering Master Program, College of Engineering, Qatar University, 2713, Doha, Qatar
| | - Norhan Ashraf Ismail
- Environmental Engineering Master Program, College of Engineering, Qatar University, 2713, Doha, Qatar
| | - MhdAmmar Hafiz
- Department of Civil and Architectural Engineering, College of Engineering, Qatar University, P.O.Box 2713, Doha, Qatar
| | - Abdelbaki Benamor
- Gas Processing Centre, College of Engineering, Qatar University, 2713, Doha, Qatar
| | - Alaa H Hawari
- Department of Civil and Architectural Engineering, College of Engineering, Qatar University, P.O.Box 2713, Doha, Qatar.
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79
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Matindi CN, Hu M, Kadanyo S, Ly QV, Gumbi NN, Dlamini DS, Li J, Hu Y, Cui Z, Li J. Tailoring the morphology of polyethersulfone/sulfonated polysulfone ultrafiltration membranes for highly efficient separation of oil-in-water emulsions using TiO2 nanoparticles. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118868] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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80
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García A, Rodríguez B, Giraldo H, Quintero Y, Quezada R, Hassan N, Estay H. Copper-Modified Polymeric Membranes for Water Treatment: A Comprehensive Review. MEMBRANES 2021; 11:93. [PMID: 33525631 PMCID: PMC7911616 DOI: 10.3390/membranes11020093] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/21/2021] [Accepted: 01/25/2021] [Indexed: 11/23/2022]
Abstract
In the last decades, the incorporation of copper in polymeric membranes for water treatment has received greater attention, as an innovative potential solution against biofouling formation on membranes, as well as, by its ability to improve other relevant membrane properties. Copper has attractive characteristics: excellent antimicrobial activity, high natural abundance, low cost and the existence of multiple cost-effective synthesis routes for obtaining copper-based materials with tunable characteristics, which favor their incorporation into polymeric membranes. This study presents a comprehensive analysis of the progress made in the area regarding modified membranes for water treatment when incorporating copper. The notable use of copper materials (metallic and oxide nanoparticles, salts, composites, metal-polymer complexes, coordination polymers) for modifying microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), forward osmosis (FO) and reverse osmosis (RO) membranes have been identified. Antibacterial and anti-fouling effect, hydrophilicity increase, improvements of the water flux, the rejection of compounds capacity and structural membrane parameters and the reduction of concentration polarization phenomena are some outstanding properties that improved. Moreover, the study acknowledges different membrane modification approaches to incorporate copper, such as, the incorporation during the membrane synthesis process (immobilization in polymer and phase inversion) or its surface modification using physical (coating, layer by layer assembly and electrospinning) and chemical (grafting, one-pot chelating, co-deposition and mussel-inspired PDA) surface modification techniques. Thus, the advantages and limitations of these modifications and their methods with insights towards a possible industrial applicability are presented. Furthermore, when copper was incorporated into membrane matrices, the study identified relevant detrimental consequences with potential to be solved, such as formation of defects, pore block, and nanoparticles agglomeration during their fabrication. Among others, the low modification stability, the uncontrolled copper ion releasing or leaching of incorporated copper material are also identified concerns. Thus, this article offers modification strategies that allow an effective copper incorporation on these polymeric membranes and solve these hinders. The article finishes with some claims about scaling up the implementation process, including long-term performance under real conditions, feasibility of production at large scale, and assessment of environmental impact.
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Affiliation(s)
- Andreina García
- Mining Engineering Department, FCFM, Universidad de Chile, Santiago 8370451, Chile
- Advanced Mining Technology Center (AMTC), Universidad de Chile, Santiago 8370451, Chile; (H.G.); (Y.Q.); (R.Q.); (H.E.)
| | - Bárbara Rodríguez
- Advanced Mining Technology Center (AMTC), Universidad de Chile, Santiago 8370451, Chile; (H.G.); (Y.Q.); (R.Q.); (H.E.)
| | - Hugo Giraldo
- Advanced Mining Technology Center (AMTC), Universidad de Chile, Santiago 8370451, Chile; (H.G.); (Y.Q.); (R.Q.); (H.E.)
| | - Yurieth Quintero
- Advanced Mining Technology Center (AMTC), Universidad de Chile, Santiago 8370451, Chile; (H.G.); (Y.Q.); (R.Q.); (H.E.)
| | - Rodrigo Quezada
- Advanced Mining Technology Center (AMTC), Universidad de Chile, Santiago 8370451, Chile; (H.G.); (Y.Q.); (R.Q.); (H.E.)
| | - Natalia Hassan
- Programa Institucional de Fomento a la I+D+i, Universidad Tecnológica Metropolitana, Ignacio Valdivieso 2409, San Joaquín, Santiago 8940577, Chile;
| | - Humberto Estay
- Advanced Mining Technology Center (AMTC), Universidad de Chile, Santiago 8370451, Chile; (H.G.); (Y.Q.); (R.Q.); (H.E.)
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81
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Ahmed I, Mondol MMH, Lee HJ, Jhung SH. Application of Metal‐Organic Frameworks in Adsorptive Removal of Organic Contaminants from Water, Fuel and Air. Chem Asian J 2021; 16:185-196. [DOI: 10.1002/asia.202001365] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/17/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Imteaz Ahmed
- Department of Chemistry and Green-Nano Materials Research Center Kyungpook National University Daegu 41566 Republic of Korea
| | - Md. Mahmudul Hassan Mondol
- Department of Chemistry and Green-Nano Materials Research Center Kyungpook National University Daegu 41566 Republic of Korea
| | - Hye Jin Lee
- Department of Chemistry and Green-Nano Materials Research Center Kyungpook National University Daegu 41566 Republic of Korea
| | - Sung Hwa Jhung
- Department of Chemistry and Green-Nano Materials Research Center Kyungpook National University Daegu 41566 Republic of Korea
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82
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Elrasheedy A, Rabie M, El-Shazly A, Bassyouni M, Abdel-Hamid S, El Kady MF. Numerical Investigation of Fabricated MWCNTs/Polystyrene Nanofibrous Membrane for DCMD. Polymers (Basel) 2021; 13:polym13010160. [PMID: 33406737 PMCID: PMC7795322 DOI: 10.3390/polym13010160] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/28/2020] [Accepted: 12/28/2020] [Indexed: 02/06/2023] Open
Abstract
The effect of compositing multiwalled carbon nanotubes (MWCNTs) with polystyrene (PS) to fabricate nanofibrous membrane by electrospinning technique and comparing the direct contact membrane distillation (DCMD) performance of the blank and composite membranes is evaluated numerically. Surface morphology of both the pristine and the composite membrane was studied by SEM imaging while the average fiber diameter and average pore size were measured using ImageJ software. Static water contact angle and porosities were also determined for both membranes. Results showed significant enhancement in both the hydrophobicity and porosity of the composite membrane by increasing the static water contact angle from 145.4° for the pristine PS membrane to 155° for the PS/MWCNTs composite membrane while the porosity was increased by 28%. Simulation results showed that at any given feed inlet temperature, the PS/MWCNTs membrane have higher permeate flux and better overall system performance.
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Affiliation(s)
- Asmaa Elrasheedy
- Chemical and Petrochemicals Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt; (M.R.); (A.E.-S.); (M.F.E.K.)
- Department of Chemical Engineering, Faculty of Engineering, Port Said University, Port Said 42526, Egypt
- Correspondence: (A.E.); (M.B.); Tel.: +20-10-9815-1351 (A.E.); +20-11-5967-5357 (M.B.)
| | - Mohammed Rabie
- Chemical and Petrochemicals Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt; (M.R.); (A.E.-S.); (M.F.E.K.)
- Mechanical Power Engineering, Mansoura University, El-Mansoura 35516, Egypt
| | - Ahmed El-Shazly
- Chemical and Petrochemicals Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt; (M.R.); (A.E.-S.); (M.F.E.K.)
- Chemical Engineering Department, Faculty of Engineering Department, Alexandria University, Alexandria 21544, Egypt
| | - Mohamed Bassyouni
- Department of Chemical Engineering, Faculty of Engineering, Port Said University, Port Said 42526, Egypt
- Materials Science Program, Zewail University of Science and Technology, City of Science and Technology, October Gardens, 6th of October, Giza 12578, Egypt
- Correspondence: (A.E.); (M.B.); Tel.: +20-10-9815-1351 (A.E.); +20-11-5967-5357 (M.B.)
| | - S.M.S. Abdel-Hamid
- Department of Chemical Engineering, the Egyptian Academy for Engineering and Advanced Technology, Affiliated to Ministry of Military Production, Al Salam City 3056, Egypt;
| | - Marwa F. El Kady
- Chemical and Petrochemicals Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt; (M.R.); (A.E.-S.); (M.F.E.K.)
- Polymeric Materials Research Department, City of Scientific Research and Technological Applications (SRTA-City), Borg El-Arab City, Alexandria 21934, Egypt
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83
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Hydrophobizing polyether sulfone membrane by sol-gel for water desalination using air gap membrane distillation. POLYM-PLAST TECH MAT 2021. [DOI: 10.1080/25740881.2020.1784225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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84
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Zakria HS, Othman MHD, Kamaludin R, Sheikh Abdul Kadir SH, Kurniawan TA, Jilani A. Immobilization techniques of a photocatalyst into and onto a polymer membrane for photocatalytic activity. RSC Adv 2021; 11:6985-7014. [PMID: 35685270 PMCID: PMC9131363 DOI: 10.1039/d0ra10964a] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 01/26/2021] [Indexed: 12/14/2022] Open
Abstract
This article reviews the various techniques of immobilizing a photocatalyst into and onto the polymer membrane for pollutant removal and as a problem solver in handling suspended photocatalyst issues from the previous literature. A particular focus is given to the preparation of mixed matrix membranes and deposition techniques for photocatalytic degradation in applications for wastewater treatment. Advantages and disadvantages in this application are evaluated. Various operating conditions during the process are presented. About 90 recently published studies (2008–2020) are reviewed. From the literature, it was found that TiO2 is the most favoured photocatalyst that is frequently used in photocatalytic water treatment. Dry–wet co-spinning and sputtering techniques emerged as the promising technique for immobilizing a uniformly distributed photocatalyst within the polymeric membrane, and exhibited excellence pollutant removal. In general, the technical applicability is the key factor in selecting the best photocatalyst immobilizing technique for water treatment. Finally, the scope of various techniques that have been reviewed may provide potential for future photocatalytic study. This article reviews the various techniques of immobilizing a photocatalyst into and onto the polymer membrane for pollutant removal and as a problem solver in handling suspended photocatalyst issues from the previous literature.![]()
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Affiliation(s)
- Hazirah Syahirah Zakria
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Skudai, Johor, Malaysia
| | - Mohd Hafiz Dzarfan Othman
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Skudai, Johor, Malaysia
| | - Roziana Kamaludin
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Skudai, Johor, Malaysia
| | - Siti Hamimah Sheikh Abdul Kadir
- Institute of Pathology, Laboratory and Forensics (I-PPerForM), Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, 47000 Sungai Buloh, Selangor, Malaysia
| | - Tonni Agustiono Kurniawan
- Key Laboratory of the Coastal and Wetland Ecosystems, Ministry of Education, College of Environment and Ecology, Xiamen University, Xiamen 361102, P. R. China
| | - Asim Jilani
- Center of Nanotechnology, King Abdul-Aziz University, 21589 Jeddah, Saudi Arabia
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85
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Affiliation(s)
- Siavash Iravani
- Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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86
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Progress of Interfacial Polymerization Techniques for Polyamide Thin Film (Nano)Composite Membrane Fabrication: A Comprehensive Review. Polymers (Basel) 2020; 12:polym12122817. [PMID: 33261079 PMCID: PMC7760071 DOI: 10.3390/polym12122817] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/17/2020] [Accepted: 11/19/2020] [Indexed: 01/12/2023] Open
Abstract
In this paper, we review various novel/modified interfacial polymerization (IP) techniques for the fabrication of polyamide (PA) thin film composite (TFC)/thin film nanocomposite (TFN) membranes in both pressure-driven and osmotically driven separation processes. Although conventional IP technique is the dominant technology for the fabrication of commercial nanofiltration (NF) and reverse osmosis (RO) membranes, it is plagued with issues of low membrane permeability, relatively thick PA layer and susceptibility to fouling, which limit the performance. Over the past decade, we have seen a significant growth in scientific publications related to the novel/modified IP techniques used in fabricating advanced PA-TFC/TFN membranes for various water applications. Novel/modified IP lab-scale studies have consistently, so far, yielded promising results compared to membranes made by conventional IP technique, in terms of better filtration efficiency (increased permeability without compensating solute rejection), improved chemical properties (crosslinking degree), reduced surface roughness and the perfect embedment of nanomaterials within selective layers. Furthermore, several new IP techniques can precisely control the thickness of the PA layer at sub-10 nm and significantly reduce the usage of chemicals. Despite the substantial improvements, these novel IP approaches have downsides that hinder their extensive implementation both at the lab-scale and in manufacturing environments. Herein, this review offers valuable insights into the development of effective IP techniques in the fabrication of TFC/TFN membrane for enhanced water separation.
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87
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Bouhid de Aguiar I, Schroën K. Microfluidics Used as a Tool to Understand and Optimize Membrane Filtration Processes. MEMBRANES 2020; 10:E316. [PMID: 33138236 PMCID: PMC7692330 DOI: 10.3390/membranes10110316] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/13/2022]
Abstract
Membrane filtration processes are best known for their application in the water, oil, and gas sectors, but also in food production they play an eminent role. Filtration processes are known to suffer from a decrease in efficiency in time due to e.g., particle deposition, also known as fouling and pore blocking. Although these processes are not very well understood at a small scale, smart engineering approaches have been used to keep membrane processes running. Microfluidic devices have been increasingly applied to study membrane filtration processes and accommodate observation and understanding of the filtration process at different scales, from nanometer to millimeter and more. In combination with microscopes and high-speed imaging, microfluidic devices allow real time observation of filtration processes. In this review we will give a general introduction on microfluidic devices used to study membrane filtration behavior, followed by a discussion of how microfluidic devices can be used to understand current challenges. We will then discuss how increased knowledge on fundamental aspects of membrane filtration can help optimize existing processes, before wrapping up with an outlook on future prospects on the use of microfluidics within the field of membrane separation.
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Affiliation(s)
- Izabella Bouhid de Aguiar
- Membrane Science and Technology—Membrane Processes for Food, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands;
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He M, Wang L, Lv Y, Wang X, Zhang Z, Cui Q, Zhu J. Effect of a novel hydrophilic double-skinned support layer on improving anti-fouling performance of thin-film composite forward osmosis membrane. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125081] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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89
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Ahmad T, Guria C, Mandal A. Optimal synthesis, characterization and antifouling performance of Pluronic F127/bentonite-based super-hydrophilic polyvinyl chloride ultrafiltration membrane for enhanced oilfield produced water treatment. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.06.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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90
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Elkony Y, Mansour E, Elhusseiny A, Ebrahim S. Effect of cellulose acetate/cellulose triacetate ratio on reverse osmosis blend membrane performance. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25517] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yasmeen Elkony
- Department of Materials Science Institute of Graduate Studies and Research, Alexandria University Alexandria Egypt
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
- Central Laboratory at Ministry of Health Alexandria Egypt
| | - El‐Sayed Mansour
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
| | - Amel Elhusseiny
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
| | - Shaker Ebrahim
- Department of Materials Science Institute of Graduate Studies and Research, Alexandria University Alexandria Egypt
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91
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Zhang C, Huo R, Wang X, Zhang J, Cheng J, Shi L. In-situ encapsulation of flaky aluminum pigment with poly(methylhydrosiloxane) anti-corrosion film for high-performance waterborne coatings. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.05.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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92
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Shrestha UM, Han L, Saito T, Schweizer KS, Dadmun MD. Mechanism of Soft Nanoparticle Diffusion in Entangled Polymer Melts. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00870] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Umesh M. Shrestha
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Lu Han
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Tomonori Saito
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Kenneth S. Schweizer
- Department of Materials Science, University of Illinois, Urbana, Illinois 61801, United States
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
- Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801, United States
| | - Mark D. Dadmun
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
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93
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Papaphilippou PC, Karamanis P, Stavrinou K, Krasia‐Christoforou T. Functionalized Electrospun Fibrous Membranes as Effective Adsorbents for Benzoic Acid from Aqueous Media. ChemistrySelect 2020. [DOI: 10.1002/slct.202001893] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Petri Ch. Papaphilippou
- University of CyprusDepartment of Mechanical and Manufacturing Engineering P. O. Box 20537, 1678 Nicosia Cyprus
- European University Cyprus, School of ScienceDepartment of Life Sciences 1516 Nicosia Cyprus
| | - Petros Karamanis
- University of CyprusDepartment of Mechanical and Manufacturing Engineering P. O. Box 20537, 1678 Nicosia Cyprus
| | - Kyriakos Stavrinou
- University of CyprusDepartment of Mechanical and Manufacturing Engineering P. O. Box 20537, 1678 Nicosia Cyprus
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94
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Otto DP, de Villiers MM. Layer-By-Layer Nanocoating of Antiviral Polysaccharides on Surfaces to Prevent Coronavirus Infections. Molecules 2020; 25:E3415. [PMID: 32731428 PMCID: PMC7435837 DOI: 10.3390/molecules25153415] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/24/2020] [Accepted: 07/26/2020] [Indexed: 12/28/2022] Open
Abstract
In 2020, the world is being ravaged by the coronavirus, SARS-CoV-2, which causes a severe respiratory disease, Covid-19. Hundreds of thousands of people have succumbed to the disease. Efforts at curing the disease are aimed at finding a vaccine and/or developing antiviral drugs. Despite these efforts, the WHO warned that the virus might never be eradicated. Countries around the world have instated non-pharmaceutical interventions such as social distancing and wearing of masks in public to curb the spreading of the disease. Antiviral polysaccharides provide the ideal opportunity to combat the pathogen via pharmacotherapeutic applications. However, a layer-by-layer nanocoating approach is also envisioned to coat surfaces to which humans are exposed that could harbor pathogenic coronaviruses. By coating masks, clothing, and work surfaces in wet markets among others, these antiviral polysaccharides can ensure passive prevention of the spreading of the virus. It poses a so-called "eradicate-in-place" measure against the virus. Antiviral polysaccharides also provide a green chemistry pathway to virus eradication since these molecules are primarily of biological origin and can be modified by minimal synthetic approaches. They are biocompatible as well as biodegradable. This surface passivation approach could provide a powerful measure against the spreading of coronaviruses.
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Affiliation(s)
- Daniel P. Otto
- Research Focus Area for Chemical Resource Beneficiation, Laboratory for Analytical Services, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom 2531, South Africa
| | - Melgardt M. de Villiers
- Division of Pharmaceutical Sciences–Drug Delivery, School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave, Madison, WI 53705, USA;
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95
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Remanan S, Ghosh S, Das TK, Sharma M, Bose M, Bose S, Das AK, Das NC. Gradient crystallinity and its influence on the poly(vinylidene fluoride)/poly(methyl methacrylate) membrane‐derived by immersion precipitation method. J Appl Polym Sci 2020. [DOI: 10.1002/app.48677] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Sanjay Remanan
- Rubber Technology Centre Indian Institute of Technology Kharagpur 721302 India
| | - Sabyasachi Ghosh
- Rubber Technology Centre Indian Institute of Technology Kharagpur 721302 India
| | - Tushar Kanti Das
- Rubber Technology Centre Indian Institute of Technology Kharagpur 721302 India
| | - Maya Sharma
- Soft Matter Rheology and Technology Division, Department of Chemical Engineering KU Leuven Leuven 3001 Belgium
| | - Madhuparna Bose
- Department of Biotechnology Indian Institute of Technology Kharagpur 721302 India
| | - Suryasarathi Bose
- Department of Materials Engineering Indian Institute of Science Bangalore 560012 India
| | - Amit Kumar Das
- Department of Biotechnology Indian Institute of Technology Kharagpur 721302 India
| | - Narayan Chandra Das
- Rubber Technology Centre Indian Institute of Technology Kharagpur 721302 India
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96
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Critical Issues and Guidelines to Improve the Performance of Photocatalytic Polymeric Membranes. Catalysts 2020. [DOI: 10.3390/catal10050570] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Photocatalytic membrane reactors (PMR), with immobilized photocatalysts, play an important role in process intensification strategies; this approach offers a simple solution to the typical catalyst recovery problem of photocatalytic processes and, by simultaneous filtration and photocatalysis of the aqueous streams, facilitates clean water production in a single unit. The synthesis of polymer photocatalytic membranes has been widely explored, while studies focused on ceramic photocatalytic membranes represent a minority. However, previous reports have identified that the successful synthesis of polymeric photocatalytic membranes still faces certain challenges that demand further research, e.g., (i) reduced photocatalytic activity, (ii) photocatalyst stability, and (iii) membrane aging, to achieve technological competitiveness with respect to suspended photocatalytic systems. The novelty of this review is to go a step further to preceding literature by first, critically analyzing the factors behind these major limitations and second, establishing useful guidelines. This information will help researchers in the field in the selection of the membrane materials and synthesis methodology for a better performance of polymeric photocatalytic membranes with targeted functionality; special attention is focused on factors affecting membrane aging and photocatalyst stability.
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97
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Suhartono J, Pertiwi DS, Noersalim C, Yulianingsih D, Sofianti F, Saptoro A, Chafidz A. Characteristics and Performances of Blended Polyethersulfone and Carbon‐Based Nanomaterial Membranes: Effect of Nanomaterial Types and Air Exposure. Chem Eng Technol 2020. [DOI: 10.1002/ceat.201900582] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jono Suhartono
- Institut Teknologi Nasional (ITENAS) Department of Chemical Engineering Jl. PHH. Mustafa No. 23 40124 Bandung Indonesia
| | - Dyah Setyo Pertiwi
- Institut Teknologi Nasional (ITENAS) Department of Chemical Engineering Jl. PHH. Mustafa No. 23 40124 Bandung Indonesia
| | - Carlina Noersalim
- Institut Teknologi Nasional (ITENAS) Department of Chemical Engineering Jl. PHH. Mustafa No. 23 40124 Bandung Indonesia
| | - Devi Yulianingsih
- Institut Teknologi Nasional (ITENAS) Department of Chemical Engineering Jl. PHH. Mustafa No. 23 40124 Bandung Indonesia
| | - Falashiva Sofianti
- Institut Teknologi Nasional (ITENAS) Department of Chemical Engineering Jl. PHH. Mustafa No. 23 40124 Bandung Indonesia
| | - Agus Saptoro
- Curtin University Malaysia Department of Chemical Engineering CDT 250 98009 Miri Sarawak Malaysia
| | - Achmad Chafidz
- Universitas Islam Indonesia Chemical Engineering Department 55584 Yogyakarta Indonesia
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98
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Elhady S, Bassyouni M, Mansour RA, Elzahar MH, Abdel-Hamid S, Elhenawy Y, Saleh MY. Oily Wastewater Treatment Using Polyamide Thin Film Composite Membrane Technology. MEMBRANES 2020; 10:membranes10050084. [PMID: 32354064 PMCID: PMC7281104 DOI: 10.3390/membranes10050084] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/24/2020] [Accepted: 04/26/2020] [Indexed: 01/28/2023]
Abstract
In this study, polyamide (PA) thin film composite (TFC) reverse osmosis (RO) membrane filtration was used in edible oil wastewater emulsion treatment. The PA-TFC membrane was characterized using mechanical, thermal, chemical, and physical tests. Surface morphology and cross-sections of TFCs were characterized using SEM. The effects of edible oil concentrations, average droplets size, and contact angle on separation efficiency and flux were studied in detail. Purification performance was enhanced using activated carbon as a pre-treatment unit. The performance of the RO unit was assessed by chemical oxygen demand (COD) removal and permeate flux. Oil concentration in wastewater varied between 3000 mg/L and 6000 mg/L. Oily wastewater showed a higher contact angle (62.9°) than de-ionized water (33°). Experimental results showed that the presence of activated carbon increases the permeation COD removal from 94% to 99%. The RO membrane filtration coupled with an activated carbon unit of oily wastewater is a convenient hybrid technique for removal of high-concentration edible oil wastewater emulsion up to 99%. Using activated carbon as an adsorption pre-treatment unit improved the permeate flux from 34 L/m2hr to 75 L/m2hr.
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Affiliation(s)
- Sarah Elhady
- Public Works Department of Sanitary and Environmental Engineering, the High Institute of Engineering and Technology in New Damietta, New Damietta 34518, Egypt
| | - Mohamed Bassyouni
- Department of Chemical Engineering, Faculty of Engineering, Port Said University, Port Said 42526, Egypt
- Materials Science Program, University of Science and Technology, Zewail City of Science and Technology, October Gardens, 6th of October, Giza 12578, Egypt
- Correspondence: ; Tel.: +2-011-596-75357
| | - Ramadan A. Mansour
- Chemical Engineering Department, Higher Institute of Engineering and Technology, New Damietta, Damietta 34518, Egypt
| | - Medhat H. Elzahar
- Sanitary and Environmental Engineering, Faculty of Engineering, Port Said 42526, Egypt
- Department of Civil Engineering, Giza Engineering Institute, Elmoneeb, Giza 12511, Egypt
| | - Shereen Abdel-Hamid
- Department of Chemical Engineering, Egyptian Academy for Engineering and Advanced Technology, Affiliated to Ministry of Military Production, Al Salam city 3056, Egypt
| | - Yasser Elhenawy
- Department of Mechanical Engineering, Faculty of Engineering, Port Said University, Port Fouad 42526, Egypt
| | - Mamdou Y. Saleh
- Sanitary and Environmental Engineering, Faculty of Engineering, Port Said 42526, Egypt
- High Institute of Engineering and Technology, El-Manzala, Ad Daqahliyah 35642, Egypt
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Abstract
Water is an essential part of life and its availability is important for all living creatures. On the other side, the world is suffering from a major problem of drinking water. There are several gases, microorganisms and other toxins (chemicals and heavy metals) added into water during rain, flowing water, etc. which is responsible for water pollution. This review article describes various applications of nanomaterial in removing different types of impurities from polluted water. There are various kinds of nanomaterials, which carried huge potential to treat polluted water (containing metal toxin substance, different organic and inorganic impurities) very effectively due to their unique properties like greater surface area, able to work at low concentration, etc. The nanostructured catalytic membranes, nanosorbents and nanophotocatalyst based approaches to remove pollutants from wastewater are eco-friendly and efficient, but they require more energy, more investment in order to purify the wastewater. There are many challenges and issues of wastewater treatment. Some precautions are also required to keep away from ecological and health issues. New modern equipment for wastewater treatment should be flexible, low cost and efficient for the commercialization purpose.
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100
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Soltani S, Razinobakht SA, Asmatulu R. Effect of carbon black silanization on isothermal curing kinetics of epoxy nanocomposites. J Appl Polym Sci 2020. [DOI: 10.1002/app.49106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Seyed Soltani
- Department of Mechanical EngineeringFlorida Polytechnic University Lakeland Florida
| | | | - Ramazan Asmatulu
- Department of Mechanical EngineeringWichita State University Wichita Kansas
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