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Shaaban MS, Shalabi K, Fouda AEAS, Deyab MA. New imidazolium-based ionic liquids for mitigating carbon steel corrosion in acidic condition. Z PHYS CHEM 2023; 237:211-241. [DOI: 10.1515/zpch-2022-0155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Abstract
Two environmentally friendly inhibitors of imidazolium-based ionic liquids namely 3-benzyl-1-hexadecyl-1H-imidazol-3-ium chloride (IL-H), and 3-(4-chlorobenzyl)-1-hexadecyl-1H-imidazol-3-ium chloride (IL-Cl) were manufactured and their chemical structures were confirmed by spectra tools (FT-IR, and 1H NMR). The utilizing of these two new ionic liquids as green corrosion inhibitors for low carbon steel (LCS) in 1.0 M HCl under altered experimental conditions. Mass loss (ML), potentiodynamic polarization (PP), AC impedance spectroscopy (EIS) and surface morphology are take place in this study. The protection performance found to increase with increasing ionic liquid dose and temperature, reaching 92.9% and 95.1% for IL-H and IL-Cl at 120 ppm, respectively. Based on the PP records, the investigated ionic liquids behave as mixed-type inhibitors, influencing both anodic and cathodic responses. The inhibitory activity from these explored ionic liquids was stimulated by their adsorption on the effective surfaces of the steel surface in accordance with the Langmuir adsorption isotherm. The Density Functional Theory (DFT) method is used to analyze the relationship between quantum chemical calculations and the protection efficiency of ionic liquids.
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Affiliation(s)
- Munira S. Shaaban
- Chemistry Department , Faculty of Science, Mansoura University , Mansoura 35516 , Egypt
| | - Kamal Shalabi
- Chemistry Department , Faculty of Science, Mansoura University , Mansoura 35516 , Egypt
| | - Abd El-Aziz S. Fouda
- Chemistry Department , Faculty of Science, Mansoura University , Mansoura 35516 , Egypt
| | - Mohamed A. Deyab
- Egyptian Petroleum Research Institute (EPRI) , Nasr City , Cairo , Egypt
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2
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Ding D, Yaroshchuk A, Bruening ML. Electrodialysis through nafion membranes coated with polyelectrolyte multilayers yields >99% pure monovalent ions at high recoveries. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120294] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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3
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Azzam EMS, Sami RM, Alenezi KM, El Moll H, Haque A. Nanoparticles Modified With Cationic Thiol Surfactant as Efficient Inhibitors for the Corrosion of Carbon Steel. J ELECTROCHEM SCI TE 2021. [DOI: 10.33961/jecst.2021.00010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
In this work, we report synthesis, characterization and corrosion inhibition properties of cationic thiol surfactant-capped silver (SC-Ag-NPs) and gold (SC-Au-NPs) nanoparticles. SC-Ag-NPs and SC-Au-NPs were characterized using regular techniques include TEM. Corrosion study was carried out using carbon steel (CS) in 3.5% NaCl aqueous solution and characterized using multiple electrochemical techniques. Our results suggest that the paint containing SC-Ag-NPs and SC-Au-NPs endow efficient corrosion protection to the CS. Especially, SC-Au-NPs based paint form a stronger barrier between the metal and the corrosive ions, leading to better inhibition properties.
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4
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Chamberland J, Bouyer A, Benoit S, Provault C, Bérubé A, Doyen A, Pouliot Y. Efficiency assessment of water reclamation processes in milk protein concentrate manufacturing plants: A predictive analysis. J FOOD ENG 2020. [DOI: 10.1016/j.jfoodeng.2019.109811] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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5
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Characterizing the roles of organic and inorganic foulants in RO membrane fouling development: The case of coal chemical wastewater treatment. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.09.062] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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6
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Guo F, Zhang C, Wang Q, Hu W, Cao J, Yao J, Jiang L, Wu Z. Modification of poly(vinylidene fluoride) membranes with aluminum oxide nanowires and graphene oxide nanosheets for oil-water separation. J Appl Polym Sci 2019. [DOI: 10.1002/app.47493] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Fanjin Guo
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering; Tongji University; Shanghai 200092 People's Republic of China
| | - Chang Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering; Tongji University; Shanghai 200092 People's Republic of China
- Shanghai Municipal Engineering Design Institute (Group) Company, Limited, 901 North Zhongshan Road (2nd); Shanghai 200092 People's Republic of China
| | - Qiaoying Wang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering; Tongji University; Shanghai 200092 People's Republic of China
| | - Weijie Hu
- Shanghai Municipal Engineering Design Institute (Group) Company, Limited, 901 North Zhongshan Road (2nd); Shanghai 200092 People's Republic of China
| | - Jing Cao
- Shanghai Municipal Engineering Design Institute (Group) Company, Limited, 901 North Zhongshan Road (2nd); Shanghai 200092 People's Republic of China
| | - Jie Yao
- Shanghai Chengtou Waste Water Treatment Company, Limited, 1851 Longdong Avenue; Shanghai 201203 People's Republic of China
| | - Lingyan Jiang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering; Tongji University; Shanghai 200092 People's Republic of China
- Shanghai Chengtou Waste Water Treatment Company, Limited, 1851 Longdong Avenue; Shanghai 201203 People's Republic of China
| | - Zhichao Wu
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering; Tongji University; Shanghai 200092 People's Republic of China
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7
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Galiano F, Song X, Marino T, Boerrigter M, Saoncella O, Simone S, Faccini M, Chaumette C, Drioli E, Figoli A. Novel Photocatalytic PVDF/Nano-TiO₂ Hollow Fibers for Environmental Remediation. Polymers (Basel) 2018; 10:E1134. [PMID: 30961059 PMCID: PMC6403937 DOI: 10.3390/polym10101134] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/06/2018] [Accepted: 10/09/2018] [Indexed: 11/30/2022] Open
Abstract
Polyvinylidene difluoride (PVDF) mixed matrix membranes loaded with inorganic TiO₂ nanoparticles have received increasing attention in the last few years as self-cleaning membranes for possible application in wastewater treatment and seawater filtration. These novel membranes show increased hydrophilicity, stability and catalytic activity under UV-A irradiation. In this work, PVDF-TiO₂ hollow fibers were prepared by employing new strategies for enhancing the stability of the TiO₂ dispersion, reducing particle agglomeration and improving their distribution. The spinning conditions for producing ultrafiltration hollow fiber membranes from PVDF material and nano-TiO₂ were investigated. Finally, the optimized fibers have been characterized and tested for methylene blue (MB) degradation in water and salty seawater, revealing good permeability, long-term stability under UV-A irradiation, and photo-catalytic activity in both test solutions.
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Affiliation(s)
- Francesco Galiano
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Xue Song
- Fraunhofer IGB, Nobelstrasse 12, 70569 Stuttgart, Germany.
| | - Tiziana Marino
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | | | - Omar Saoncella
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Silvia Simone
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Mirko Faccini
- LEITAT, C/de la Innovació, 2 08225 Terrassa (Barcelona), Spain.
| | | | - Enrico Drioli
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
| | - Alberto Figoli
- Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy.
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8
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Verma C, Ebenso EE, Quraishi M. Ionic liquids as green and sustainable corrosion inhibitors for metals and alloys: An overview. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.02.111] [Citation(s) in RCA: 303] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Preparation and Characterization of Polymeric-Hybrid PES/TiO2 Hollow Fiber Membranes for Potential Applications in Water Treatment. FIBERS 2017. [DOI: 10.3390/fib5020014] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Miller DJ, Dreyer DR, Bielawski CW, Paul DR, Freeman BD. Surface Modification of Water Purification Membranes. Angew Chem Int Ed Engl 2017; 56:4662-4711. [DOI: 10.1002/anie.201601509] [Citation(s) in RCA: 441] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Daniel J. Miller
- McKetta Department of Chemical Engineering and Texas Materials Institute, Center for Energy and Environmental Resources The University of Texas at Austin 10100 Burnet Road, Building 133 Austin TX 78758 USA
- Joint Center for Artificial Photosynthesis Lawrence Berkeley National Laboratory 1 Cyclotron Road, 30-210C Berkeley CA 94702 USA
| | - Daniel R. Dreyer
- Nalco Champion 3200 Southwest Freeway, Ste. 2700 Houston TX 77027 USA
| | - Christopher W. Bielawski
- Center for Multidimensional Carbon Materials (CMCM) Institute for Basic Science (IBS), Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
- Department of Chemistry and Department of Energy Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
| | - Donald R. Paul
- McKetta Department of Chemical Engineering and Texas Materials Institute, Center for Energy and Environmental Resources The University of Texas at Austin 10100 Burnet Road, Building 133 Austin TX 78758 USA
| | - Benny D. Freeman
- McKetta Department of Chemical Engineering and Texas Materials Institute, Center for Energy and Environmental Resources The University of Texas at Austin 10100 Burnet Road, Building 133 Austin TX 78758 USA
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11
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Miller DJ, Dreyer DR, Bielawski CW, Paul DR, Freeman BD. Oberflächenmodifizierung von Wasseraufbereitungsmembranen. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201601509] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Daniel J. Miller
- McKetta Department of Chemical Engineering and Texas Materials Institute, Center for Energy and Environmental Resources The University of Texas, Austin 10100 Burnet Road, Building 133 Austin TX 78758 USA
- Joint Center for Artificial Photosynthesis Lawrence Berkeley National Laboratory 1 Cyclotron Road, 30-210C Berkeley CA 94702 USA
| | - Daniel R. Dreyer
- Nalco Champion 3200 Southwest Freeway, Ste. 2700 Houston TX 77027 USA
| | - Christopher W. Bielawski
- Center for Multidimensional Carbon Materials (CMCM) Institute for Basic Science (IBS), Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republik Korea
- Department of Chemistry and Department of Energy Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republik Korea
| | - Donald R. Paul
- McKetta Department of Chemical Engineering and Texas Materials Institute, Center for Energy and Environmental Resources The University of Texas, Austin 10100 Burnet Road, Building 133 Austin TX 78758 USA
| | - Benny D. Freeman
- McKetta Department of Chemical Engineering and Texas Materials Institute, Center for Energy and Environmental Resources The University of Texas, Austin 10100 Burnet Road, Building 133 Austin TX 78758 USA
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12
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Ghoufi A, Dražević E, Szymczyk A. Interactions of Organics within Hydrated Selective Layer of Reverse Osmosis Desalination Membrane: A Combined Experimental and Computational Study. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:2714-2719. [PMID: 28169536 DOI: 10.1021/acs.est.6b05153] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this work we have examined a computational approach in predicting the interactions between uncharged organic solutes and polyamide membranes. We used three model organic molecules with identical molecular weights (100.1 g/mol), 4-aminopiperidine, 3,3-dimethyl-2-butanone (pinacolone) and methylisobutyl ketone for which we obtained experimental data on partitioning, diffusion and separation on a typical seawater reverse osmosis (RO) membrane. The interaction energy between the solutes and the membrane phase (fully aromatic polyamide) was computed from molecular dynamics (MD) simulations and the resulting sequence was found to correlate well with the experimental rejections and sorption data. Sorption of the different organic solutes within the membrane skin layer determined from attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) nicely agreed with interaction energies computed from molecular simulations. Qualitative information about solute diffusivity inside the membrane was also extracted from MD simulations while ATR-FTIR experiments indicated strongly hindered diffusion with diffusion coefficients in the membrane about 10-15 m2/s. The computational approach presented here could be a first step toward predicting rejections trends of, for example, hormones and pharmaceuticals by RO dense membranes.
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Affiliation(s)
- Aziz Ghoufi
- Université de Rennes 1, Institut de Physique de Rennes (UMR CNRS 6251), 263 Avenue du Général Leclerc, CS 74205, 35042 Rennes, France
| | - Emil Dražević
- Faculty of Chemical Engineering and Technology , Department of Physical Chemistry, Marulicev trg 19, 10000 Zagreb, Croatia
| | - Anthony Szymczyk
- Université de Rennes 1, Institut des Sciences Chimiques de Rennes (UMR CNRS 6226), 263 Avenue du Général Leclerc, CS 74205, 35042 Rennes, France
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13
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Xing DY, Dong WY, Chung TS. Effects of Different Ionic Liquids as Green Solvents on the Formation and Ultrafiltration Performance of CA Hollow Fiber Membranes. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b01603] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ding Yu Xing
- Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, PR China
- Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Shenzhen 518055, PR China
| | - Wen Yi Dong
- Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, PR China
- Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Shenzhen 518055, PR China
| | - Tai-Shung Chung
- Department
of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 119260
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14
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Zhu S, Zhao S, Wang Z, Tian X, Shi M, Wang J, Wang S. Improved performance of polyamide thin-film composite nanofiltration membrane by using polyetersulfone/polyaniline membrane as the substrate. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.07.013] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Effect of citrate-based non-toxic solvents on poly(vinylidene fluoride) membrane preparation via thermally induced phase separation. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.07.003] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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16
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Wang S, Liang S, Liang P, Zhang X, Sun J, Wu S, Huang X. In-situ combined dual-layer CNT/PVDF membrane for electrically-enhanced fouling resistance. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.05.014] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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17
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18
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Ferrera I, Mas J, Taberna E, Sanz J, Sánchez O. Biological support media influence the bacterial biofouling community in reverse osmosis water reclamation demonstration plants. BIOFOULING 2015; 31:173-180. [PMID: 25706000 DOI: 10.1080/08927014.2015.1012640] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The diversity of the bacterial community developed in different stages of two reverse osmosis (RO) water reclamation demonstration plants designed in a wastewater treatment plant (WWTP) in Tarragona (Spain) was characterized by applying 454-pyrosequencing of the 16S rRNA gene. The plants were fed by secondary treated effluent to a conventional pretreatment train prior to the two-pass RO system. Plants differed in the material used in the filtration process, which was sand in one demonstration plant and Scandinavian schists in the second plant. The results showed the presence of a highly diverse and complex community in the biofilms, mainly composed of members of the Betaproteobacteria and Bacteroidetes in all stages, with the presence of some typical wastewater bacteria, suggesting a feed water origin. Community similarities analyses revealed that samples clustered according to filter type, highlighting the critical influence of the biological supporting medium in biofilm community structure.
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Affiliation(s)
- Isabel Ferrera
- a Departament de Biologia Marina i Oceanografia , Institut de Ciències del Mar, ICM-CSIC , Barcelona , Spain
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19
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Zeng T, Wilson CJ, Mitch WA. Effect of chemical oxidation on the sorption tendency of dissolved organic matter to a model hydrophobic surface. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2014; 48:5118-5126. [PMID: 24697505 DOI: 10.1021/es405257b] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The application of chemical oxidants may alter the sorption properties of dissolved organic matter (DOM), such as humic and fulvic acids, proteins, polysaccharides, and lipids, affecting their fate in water treatment processes, including attachment to other organic components, activated carbon, and membranes (e.g., organic fouling). Similar reactions with chlorine (HOCl) and bromine (HOBr) produced at inflammatory sites in vivo affect the fate of biomolecules (e.g., protein aggregation). In this study, quartz crystal microbalance with dissipation monitoring (QCM-D) was used to evaluate changes in the noncovalent interactions of proteins, polysaccharides, fatty acids, and humic and fulvic acids with a model hydrophobic surface as a function of increasing doses of HOCl, HOBr, and ozone (O3). All three oxidants enhanced the sorption tendency of proteins to the hydrophobic surface at low doses but reduced their sorption tendency at high doses. All three oxidants reduced the sorption tendency of polysaccharides and fatty acids to the hydrophobic surface. HOCl and HOBr increased the sorption tendency of humic and fulvic acids to the hydrophobic surface with maxima at moderate doses, while O3 decreased their sorption tendency. The behavior observed with two water samples was similar to that observed with humic and fulvic acids, pointing to the importance of these constituents. For chlorination, the highest sorption tendency to the hydrophobic surface was observed within the range of doses typically applied during water treatment. These results suggest that ozone pretreatment would minimize membrane fouling by DOM, while chlorine pretreatment would promote DOM removal by activated carbon.
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Affiliation(s)
- Teng Zeng
- Department of Chemical and Environmental Engineering, Yale University , 9 Hillhouse Avenue, New Haven, Connecticut 06520, United States
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20
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Wang H, Zhang L, Li Y, Hu C. Influence of Filtration Aids on Continuous Filtration in Membrane Bioreactors. Ind Eng Chem Res 2014. [DOI: 10.1021/ie500319f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hongyu Wang
- School
of Civil Engineering and Architectural, Zhejiang University of Technology, Hangzhou 310014, China
| | - Longyuan Zhang
- School
of Civil Engineering and Architectural, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yaozhong Li
- Kemira Chemicals Company, Ltd. Shanghai 200210, China
| | - Chao Hu
- School
of Civil Engineering and Architectural, Zhejiang University of Technology, Hangzhou 310014, China
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21
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Jiang C, Wang Y, Zhang Z, Xu T. Electrodialysis of concentrated brine from RO plant to produce coarse salt and freshwater. J Memb Sci 2014. [DOI: 10.1016/j.memsci.2013.09.020] [Citation(s) in RCA: 124] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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22
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Khan MT, de O Manes CL, Aubry C, Gutierrez L, Croue JP. Kinetic study of seawater reverse osmosis membrane fouling. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2013; 47:10884-10894. [PMID: 24032659 DOI: 10.1021/es402138e] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Reverse osmosis (RO) membrane fouling is not a static state but a dynamic phenomenon. The investigation of fouling kinetics and dynamics of change in the composition of the foulant mass is essential to elucidate the mechanism of fouling and foulant-foulant interactions. The aim of this work was to study at a lab scale the fouling process with an emphasis on the changes in the relative composition of foulant material as a function of operating time. Fouled membrane samples were collected at 8 h, and 1, 2, and 4 weeks on a lab-scale RO unit operated in recirculation mode. Foulant characterization was performed by CLSM, AFM, ATR-FTIR, pyrolysis GC-MS, and ICP-MS techniques. Moreover, measurement of active biomass and analysis of microbial diversity were performed by ATP analysis and DNA extraction, followed by pyro-sequencing, respectively. A progressive increase in the abundance of almost all the foulant species was observed, but their relative proportion changed over the age of the fouling layer. Microbial population in all the membrane samples was dominated by specific groups/species belonging to Proteobacteria and Actinobacteria phyla; however, similar to abiotic foulant, their relative abundance also changed with the biofilm age.
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Affiliation(s)
- Muhammad Tariq Khan
- Water Desalination and Reuse Center, King Abdullah University of Science and Technology (KAUST) , Thuwal, Saudi-Arabia
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23
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Wang P, Ma J, Shi F, Ma Y, Wang Z, Zhao X. Behaviors and Effects of Differing Dimensional Nanomaterials in Water Filtration Membranes through the Classical Phase Inversion Process: A Review. Ind Eng Chem Res 2013. [DOI: 10.1021/ie303289k] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Panpan Wang
- School of
Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, P. R. China
| | - Jun Ma
- School of
Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, P. R. China
- National Engineering Research Center of Urban Water Resources, Harbin 150090,
P. R. China
| | - Fengmei Shi
- School of
Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, P. R. China
| | - Yuxin Ma
- National Engineering Research Center of Urban Water Resources, Harbin 150090,
P. R. China
| | - Zhenghui Wang
- School of
Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, P. R. China
| | - Xiaoyu Zhao
- School of
Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, P. R. China
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24
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Cheng Y, Wang CH. Enabling Sustainable Development through Creative and Innovative Chemical Engineering—APCChE 2012 Special Issue on Energy, Water, and Environment. Ind Eng Chem Res 2012. [DOI: 10.1021/ie301206p] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yongpan Cheng
- Department of Chemical and Biomolecular Engineering,
National University of Singapore, 4 Engineering Drive 4, Singapore
117576
| | - Chi-Hwa Wang
- Department of Chemical and Biomolecular Engineering,
National University of Singapore, 4 Engineering Drive 4, Singapore
117576
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