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Farahbakhsh J, Najafi M, Golgoli M, Haeri SZ, Khiadani M, Razmjou A, Zargar M. Dual Modification of Reverse Osmosis Membranes with NH 2-MIL-125 and Functionalised Multiwalled Carbon Nanotubes for Enhanced Nanoplastic Removal. CHEMOSPHERE 2024:142401. [PMID: 38795918 DOI: 10.1016/j.chemosphere.2024.142401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/08/2024] [Accepted: 05/20/2024] [Indexed: 05/28/2024]
Abstract
The present study describes a novel double-modified strategy for developing high-performance thin-film composite reverse osmosis (TFC-RO) membranes by incorporating titanium-based metal organic frameworks (NH2-MIL-125) and functionalised multiwalled carbon nanotubes (MWCNTs) into the support layer and selective layer, respectively. Initially, the support layer was subjected to successive modifications using NH2-MIL-125 mixed with polysulfone (PSF) in dimethylformamide DMF solution to investigate their impact on the performance and properties of the support layer and resultant TFC-RO membranes. Results indicated that the new structure of the modified support layer had significant influences on the developed TFC-RO membranes. Notably, the pristine PSF support exhibited a large surface pore size, medium porosity, and strong hydrophobicity, resulting in a low-flux TFC-RO membrane. However, after modification with NH2-MIL-125, the optimal blend support demonstrated a small surface pore size, high porosity, and improved hydrophilicity, favouring the formation of a high performance TFC-RO membrane. The incorporation of functionalised MWCNTs nanochannels into the selective layer, using the optimal NH2-MIL-125-PSF blended support, resulted in a smoother and more hydrophilic TFC-RO membrane with enhanced negative charge to improve antifouling properties against negative foulants (i.e., nanoplastics (NPs) and bovine serum albumin (BSA)). The double-modified membrane (TFC-RO-DM) exhibited superior performance over the conventional PSF-TFC-RO membrane. Notably, the maximum water flux reached 39 L m-2.h-1 with 98.4% NaCl rejection. The membrane exhibited a high flux recovery rate of 92% following a 30-min physical cleaning process. Additionally, the TFC-RO-DM membrane displayed reduced fouling against NPs suggesting the great promise of this innovative double-modification approach for the advancement of high-performance TFC-RO membranes.
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Affiliation(s)
- Javad Farahbakhsh
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Mohadeseh Najafi
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Mitra Golgoli
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Seyedeh Zahra Haeri
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Mehdi Khiadani
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia
| | - Amir Razmjou
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia; Mineral Recovery Research Center (MRRC), School of Engineering, Edith Cowan University, Joondalup, WA 6027, Australia; UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Masoumeh Zargar
- School of Engineering, Edith Cowan University, Joondalup, WA, 6027, Australia.
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Lin YL, Zheng NY, Hsu YJ. Enhancing membrane separation performance in the conditions of different water electrical conductivity and fouling types via surface grafting modification of a nanofiltration membrane, NF90. ENVIRONMENTAL RESEARCH 2023; 239:117346. [PMID: 37821069 DOI: 10.1016/j.envres.2023.117346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 09/02/2023] [Accepted: 10/07/2023] [Indexed: 10/13/2023]
Abstract
A commercialized and widely applied nanofiltration membrane, NF90, was in-situ modified through a surface grafting modification method by using 3-sulfopropyl methacrylate potassium salt and initiators. The effects of water electrical conductivity (EC) and fouling types on membrane separation efficiency were examined before and after membrane modification. Results reveal that both the pristine membrane (PTM) and surface grafting modification membrane (SGMM) had a declining permeate flux and salt (NaCl) removal efficiency but an increasing trend of pharmaceuticals and personal care products (PPCPs) removal with increasing water EC from 250 to 10,000 μs cm-1. However, SGMM exhibited a slightly declining permeate flux but 13%-17% and 1%-42% higher rejection of salt and PPCPs, respectively, compared with PTM, due to electrostatic repulsion and size exclusion provided by the grafted polymer. After sodium alginate (SA) and humic acid (HA) fouling, SGMM had 17%-26% and 16%-32% higher salt rejection and 1%-12% and 1%-51% greater PPCP removal, respectively, compared with PTM due to the additional steric barrier layer contributed by the foulants. The successful grafting and increasing hydrophilicity of the SGMM were confirmed by contact angle analysis, which was beneficial for mitigating membrane fouling. Overall, the proposed in-situ surface grafting modification of NF90 can considerably mitigate organic and biological fouling while raising the rejection of salt and PPCPs at different background water EC, which is beneficial for practical applications in producing clean and high quality water for consumers.
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Affiliation(s)
- Yi-Li Lin
- Department of Safety, Health and Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 824, Taiwan, ROC.
| | - Nai-Yun Zheng
- Department of Safety, Health and Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 824, Taiwan, ROC
| | - Yu-Jhen Hsu
- Department of Safety, Health and Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 824, Taiwan, ROC
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Rashed AO, Huynh C, Merenda A, Rodriguez-Andres J, Kong L, Kondo T, Razal JM, Dumée LF. Dry-spun carbon nanotube ultrafiltration membranes tailored by anti-viral metal oxide coatings for human coronavirus 229E capture in water. JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 2023; 11:110176. [PMID: 37234558 PMCID: PMC10201849 DOI: 10.1016/j.jece.2023.110176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/21/2023] [Accepted: 05/20/2023] [Indexed: 05/28/2023]
Abstract
Although waterborne virus removal may be achieved using separation membrane technologies, such technologies remain largely inefficient at generating virus-free effluents due to the lack of anti-viral reactivity of conventional membrane materials required to deactivating viruses. Here, a stepwise approach towards simultaneous filtration and disinfection of Human Coronavirus 229E (HCoV-229E) in water effluents, is proposed by engineering dry-spun ultrafiltration carbon nanotube (CNT) membranes, coated with anti-viral SnO2 thin films via atomic layer deposition. The thickness and pore size of the engineered CNT membranes were fine-tuned by varying spinnable CNT sheets and their relative orientations on carbon nanofibre (CNF) porous supports to reach thicknesses less than 1 µm and pore size around 28 nm. The nanoscale SnO2 coatings were found to further reduce the pore size down to ∼21 nm and provide more functional groups on the membrane surface to capture the viruses via size exclusion and electrostatic attractions. The synthesized CNT and SnO2 coated CNT membranes were shown to attain a viral removal efficiency above 6.7 log10 against HCoV-229E virus with fast water permeance up to ∼4 × 103 and 3.5 × 103 L.m-2.h-1.bar-1, respectively. Such high performance was achieved by increasing the dry-spun CNT sheets up to 60 layers, orienting successive 30 CNT layers at 45°, and coating 40 nm SnO2 on the synthesized membranes. The current study provides an efficient scalable fabrication scheme to engineer flexible ultrafiltration CNT-based membranes for cost-effective filtration and inactivation of waterborne viruses to outperform the state-of-the-art ultrafiltration membranes.
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Affiliation(s)
- Ahmed O Rashed
- Deakin University, Geelong, Institute for Frontier Materials, 3216 Waurn Ponds, Victoria, Australia
| | - Chi Huynh
- LINTEC OF AMERICA, INC. Nano-Science and Technology Center, 2900 E. Plano Pkwy. Suite 100, Plano, TX 75074, United States
| | - Andrea Merenda
- School of Science, RMIT University, 124 La Trobe Street, Melbourne, VIC 3000, Australia
| | | | - Lingxue Kong
- Deakin University, Geelong, Institute for Frontier Materials, 3216 Waurn Ponds, Victoria, Australia
| | - Takeshi Kondo
- LINTEC OF AMERICA, INC. Nano-Science and Technology Center, 2900 E. Plano Pkwy. Suite 100, Plano, TX 75074, United States
| | - Joselito M Razal
- Deakin University, Geelong, Institute for Frontier Materials, 3216 Waurn Ponds, Victoria, Australia
| | - Ludovic F Dumée
- Khalifa University, Department of Chemical Engineering, Abu Dhabi, United Arab Emirates
- Research and Innovation Center on CO2 and Hydrogen, Khalifa University, Abu Dhabi, United Arab Emirates
- Center for Membrane and Advanced Water Technology, Khalifa University, Abu Dhabi, United Arab Emirates
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Chakachaka V, Mahlangu O, Tshangana C, Mamba B, Muleja A. Highly adhesive CoFe2O4 nanoengineered PES membranes for salts and Naproxen removal and antimicrobial activities. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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Luo J, Li M, Hoek EMV, Heng Y. Supercomputing and machine learning-aided optimal design of high permeability seawater reverse osmosis membrane systems. Sci Bull (Beijing) 2023:S2095-9273(23)00075-0. [PMID: 36774298 DOI: 10.1016/j.scib.2023.01.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 01/06/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023]
Abstract
Concentration polarization (CP) should limit the energy and cost reducing benefits of high permeability seawater reverse osmosis (SWRO) membranes operating at a water flux higher than normal one. Herein, we propose a multiscale optimization framework coupling membrane permeability, feed spacer design (sub-millimeter scale) and system design (meter scale) via computational fluid dynamics and system level modeling using advanced supercomputing in conjunction with machine learning. Simulation results suggest energy consumption could be reduced by 27.5% (to 1.66 kWh m-3) predominantly through the use of high permeability SWRO membranes (12.2%) and a two-stage design (14.5%). Without optimization, CP approaches 1.52 at the system inlet, whereas the optimized CP is limited to 1.20. This work elucidates the optimized permeability, module design, operating scheme and benefits of high permeability SWRO membranes in seawater desalination.
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Affiliation(s)
- Jiu Luo
- School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; National Supercomputing Center in Guangzhou (NSCC-GZ), Guangzhou 510006, China; Guangdong Province Key Laboratory of Computational Science, Guangzhou 510006, China
| | - Mingheng Li
- Department of Chemical and Materials Engineering, California State Polytechnic University, Pomona CA 91768, USA
| | - Eric M V Hoek
- Department of Civil & Environmental Engineering, California NanoSystems Institute and Institute of the Environment & Sustainability, University of California, Los Angeles (UCLA), Los Angeles CA 90095, USA; Energy Storage & Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley CA 94720, USA
| | - Yi Heng
- School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; National Supercomputing Center in Guangzhou (NSCC-GZ), Guangzhou 510006, China; Guangdong Province Key Laboratory of Computational Science, Guangzhou 510006, China.
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Li J, Liu Y, Qu L, Cao X, Li X. Effect of polypyrrole surface modification on antifouling performance of PTFE microfiltration membrane. JOURNAL OF POLYMER ENGINEERING 2023. [DOI: 10.1515/polyeng-2022-0162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Abstract
In this study, polypyrrole was prepared by in situ chemical oxidation polymerization and deposited on the surface of the PTFE membrane. The surface morphology of the membrane shown that the membrane fouling degree of the modified membrane was much lower than that of the original membrane. Besides, the contact angle value decreased from 107.20° to 72.62°, and its hydrophilicity was significantly enhanced. It took humic acid (HA) as a typical representative membrane foulants, and static and dynamic HA adsorption experiments were carried out on the membranes before and after modification. In the static adsorption experiment of HA, the adsorption capacity of an original membrane was 1.28 times that of a modified membrane. In the dynamic antifouling experiment of HA, the rejection of the modified membrane to HA was 62.99%, while that of the original membrane was only 39.82%. In addition, the experimental results showed that the modified membrane had a higher flux recovery rate, which was 1.18 times that of the original membrane. This study proves that the modified membrane has an extraordinary antifouling effect.
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Affiliation(s)
- Jiazhu Li
- School of Energy and Environment, Southeast University , Nanjing , Jiangsu 210096 , P. R. China
| | - Yanqing Liu
- School of Energy and Environment, Southeast University , Nanjing , Jiangsu 210096 , P. R. China
| | - Liwei Qu
- School of Energy and Environment, Southeast University , Nanjing , Jiangsu 210096 , P. R. China
| | - Xian Cao
- School of Energy and Environment, Southeast University , Nanjing , Jiangsu 210096 , P. R. China
| | - Xianning Li
- School of Energy and Environment, Southeast University , Nanjing , Jiangsu 210096 , P. R. China
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Effects of modification groups and defects on the desalination performance of multi-walled carbon nanotube (MWNT) membranes. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Khoerunnisa F, Nurhayati M, Annisa NAA, Fatimah S, Nashrah N, Hendrawan H, Ko YG, Ng EP, Opaprakasit P. Effects of Benzalkonium Chloride Contents on Structures, Properties, and Ultrafiltration Performances of Chitosan-Based Nanocomposite Membranes. MEMBRANES 2022; 12:membranes12030268. [PMID: 35323744 PMCID: PMC8952018 DOI: 10.3390/membranes12030268] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 02/05/2022] [Accepted: 02/07/2022] [Indexed: 02/05/2023]
Abstract
The effects of benzalkonium chloride (BKC) contents on the structure, properties, and ultrafiltration performance of chitosan-based nanocomposite membranes containing poly(ethylene glycol) and multi-walled carbon nanotube (chitosan/BKC/PEG/CNT) were examined. The membranes were prepared by a mixing solution method and phase inversion before being characterized with microscopic techniques, tensile tests, thermogravimetric analysis, water contact angle, and porosity measurements. The performance of the nanocomposite membranes in regard to permeability (flux) and permselectivity (rejection) was examined. The results show that the incorporation of BKC produced nanocomposite membranes with smaller pore structures and improved physico-chemical properties, such as an increase in porosity and surface roughness (Ra = 45.15 to 145.35 nm and Rq = 53.69 to 167.44 nm), an enhancement in the elongation at break from 45 to 109%, and an enhancement in the mechanical strength from 31.2 to 45.8 MPa. In contrast, a decrease in the membrane hydrophilicity (water contact angle increased from 56.3 to 82.8°) and a decrease in the average substructure pore size from 32.64 to 10.08 nm were observed. The membrane rejection performances toward Bovine Serum Albumin (BSA) increased with the BKC composition in both dead-end and cross-flow filtration processes. The chitosan/BKC/PEG/CNT nanocomposite membranes have great potential in wastewater treatments for minimizing biofouling without reducing the water purification performance.
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Affiliation(s)
- Fitri Khoerunnisa
- Department of Chemistry, Indonesia University of Education, Setiabudhi 229, Bandung 40154, Indonesia; (M.N.); (N.A.A.A.); (H.H.)
- Correspondence: (F.K.); (P.O.)
| | - Mita Nurhayati
- Department of Chemistry, Indonesia University of Education, Setiabudhi 229, Bandung 40154, Indonesia; (M.N.); (N.A.A.A.); (H.H.)
| | - Noor Azmi Aulia Annisa
- Department of Chemistry, Indonesia University of Education, Setiabudhi 229, Bandung 40154, Indonesia; (M.N.); (N.A.A.A.); (H.H.)
| | - Siti Fatimah
- School of Material Science & Engineering, Yeungnam University, Gyeongsan 38541, Korea; (S.F.); (N.N.); (Y.-G.K.)
| | - Nisa Nashrah
- School of Material Science & Engineering, Yeungnam University, Gyeongsan 38541, Korea; (S.F.); (N.N.); (Y.-G.K.)
| | - Hendrawan Hendrawan
- Department of Chemistry, Indonesia University of Education, Setiabudhi 229, Bandung 40154, Indonesia; (M.N.); (N.A.A.A.); (H.H.)
| | - Young-Gun Ko
- School of Material Science & Engineering, Yeungnam University, Gyeongsan 38541, Korea; (S.F.); (N.N.); (Y.-G.K.)
| | - Eng-Poh Ng
- School of Chemical Sciences, Universiti Sains Malaysia, USM, Penang 11800, Malaysia;
| | - Pakorn Opaprakasit
- School of Bio-Chemical Engineering and Technology, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Khlong Luang 12121, Thailand
- Correspondence: (F.K.); (P.O.)
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