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Li D, Zhai J, Wang K, Shen Y, Huang X. Three-Dimensional Reconstruction-Characterization of Polymeric Membranes: A Review. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2025; 59:2891-2916. [PMID: 39913944 DOI: 10.1021/acs.est.4c09734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/19/2025]
Abstract
Polymeric membranes serve as vital separation materials in diverse energy and environmental applications. A comprehensive understanding of three-dimensional (3D) structures of membranes is critical to performance evaluation and future design. Such quantitative 3D structural information is beyond the limit of most employed conventional two-dimentional characterization techniques such as scanning electron microscopy. In this review, we summarize eight types of 3D reconstruction-characterization techniques for membrane materials. Originated from life and materials science, these techniques have been optimized to reveal the 3D structures of membrane materials in the separation field. We systematically introduce the theories of each technique, summarize the sample preparation procedures developed for membrane materials, and demonstrate step-by-step data processing, including 3D model reconstruction and subsequent characterization. Representative case studies are introduced to show the progress of this field and how technical challenges have been overcome over the years. In the end, we share our perspectives and believe that this review can serve as a useful reference for 3D reconstruction-characterization techniques developed for membrane materials.
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Affiliation(s)
- Danyang Li
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment and International Joint Laboratory on Low Carbon Clean Energy Innovation, Tsinghua University, Beijing 100084, China
| | - Juan Zhai
- Department of Civil, Environmental, and Construction Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Kunpeng Wang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment and International Joint Laboratory on Low Carbon Clean Energy Innovation, Tsinghua University, Beijing 100084, China
| | - Yuexiao Shen
- Department of Civil, Environmental, and Construction Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Xia Huang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment and International Joint Laboratory on Low Carbon Clean Energy Innovation, Tsinghua University, Beijing 100084, China
- Research and Application Center for Membrane Technology, School of Environment, Tsinghua University, Beijing 100084, China
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Parveen N, Singh H, Vanapalli KR, Goel S. Leaching of organic matter from cigarette butt filters as a potential disinfection by-products precursor. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:134976. [PMID: 38917631 DOI: 10.1016/j.jhazmat.2024.134976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 06/07/2024] [Accepted: 06/18/2024] [Indexed: 06/27/2024]
Abstract
The study aimed to evaluate cigarette butt filters (CBFs) as a potential source of dissolved organic carbon (DOC) in water leading to the formation of disinfection by-products. Two different forms of CBFs - intact (I) and disintegrated (D), as they occur in the environment, were selected for leaching in chlorinated (CI, CD), non-chlorinated (NI, ND), and highly chlorinated (HCD) water samples. The UV absorbance profiles of the leachate samples showed that intact CBFs exhibited higher DOC leaching compared to the disintegrated ones, which was further accentuated in chlorinated samples (CI > CD > NI > ND). The Fourier Transform Infrared spectra of the leachates revealed the presence of characteristic functional groups of cellulose acetate and its chlorinated derivatives, indicating the potential degradation of the polymer. Moreover, trihalomethane (THM) formation in chlorinated samples was relatively higher in CI samples (2 - 11.5 times) compared to CD, consistent with the DOC leaching trends. Further, the speciation characteristics of different THMs in both CI and CD samples were similar. Although spectral and morphological analyzes of CI and CD samples revealed negligible variation, HCD samples depicted significant surface roughness characterized by the formation of pits and holes, along with the evolution of crystallinity. This suggested accelerated degradation of CBFs and disruption of acetyl groups as a factor of elevated chlorine concentrations.
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Affiliation(s)
- Naseeba Parveen
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, West Bengal 721302, India; Civil Engineering Department, National Institute of Technology Mizoram, Aizawl 796012, India
| | - Hemant Singh
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, West Bengal 721302, India; Civil Engineering Department, Galgotias University, Greater Noida, Uttar Pradesh 203201, India
| | - Kumar Raja Vanapalli
- Civil Engineering Department, National Institute of Technology Mizoram, Aizawl 796012, India.
| | - Sudha Goel
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, West Bengal 721302, India; Civil Engineering Department, Indian Institute of Technology Kharagpur, West Bengal 721302, India
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Abounahia N, Shahab AA, Khan MM, Qiblawey H, Zaidi SJ. A Comprehensive Review of Performance of Polyacrylonitrile-Based Membranes for Forward Osmosis Water Separation and Purification Process. MEMBRANES 2023; 13:872. [PMID: 37999358 PMCID: PMC10672921 DOI: 10.3390/membranes13110872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 09/30/2023] [Accepted: 10/04/2023] [Indexed: 11/25/2023]
Abstract
Polyacrylonitrile (PAN), with its unique chemical, electrical, mechanical, and thermal properties, has become a crucial acrylic polymer for the industry. This polymer has been widely used to fabricate ultrafiltration, nanofiltration, and reverse osmosis membranes for water treatment applications. However, it recently started to be used to fabricate thin-film composite (TFC) and fiber-based forward osmosis (FO) membranes at a lab scale. Phase inversion and electrospinning methods were the most utilized techniques to fabricate PAN-based FO membranes. The PAN substrate layer could function as a good support layer to create TFC and fiber membranes with excellent performance under FO process conditions by selecting the proper modification techniques. The various modification techniques used to enhance PAN-based FO performance include interfacial polymerization, layer-by-layer assembly, simple coating, and incorporating nanofillers. Thus, the fabrication and modification techniques of PAN-based porous FO membranes have been highlighted in this work. Also, the performance of these FO membranes was investigated. Finally, perspectives and potential directions for further study on PAN-based FO membranes are presented in light of the developments in this area. This review is expected to aid the scientific community in creating novel effective porous FO polymeric membranes based on PAN polymer for various water and wastewater treatment applications.
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Affiliation(s)
- Nada Abounahia
- UNESCO Chair in Desalination and Water Treatment, Center for Advanced Materials (CAM), Qatar University, Doha P.O. Box 2713, Qatar
| | - Arqam Azad Shahab
- UNESCO Chair in Desalination and Water Treatment, Center for Advanced Materials (CAM), Qatar University, Doha P.O. Box 2713, Qatar
| | - Maryam Mohammad Khan
- UNESCO Chair in Desalination and Water Treatment, Center for Advanced Materials (CAM), Qatar University, Doha P.O. Box 2713, Qatar
| | - Hazim Qiblawey
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar;
| | - Syed Javaid Zaidi
- UNESCO Chair in Desalination and Water Treatment, Center for Advanced Materials (CAM), Qatar University, Doha P.O. Box 2713, Qatar
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Eljaddi T, Favre E, Roizard D. Design and Preparation a New Composite Hydrophilic/Hydrophobic Membrane for Desalination by Pervaporation. MEMBRANES 2023; 13:599. [PMID: 37367803 DOI: 10.3390/membranes13060599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/25/2023] [Accepted: 06/07/2023] [Indexed: 06/28/2023]
Abstract
Herein, experimental and theoretical approaches were used to design a new composite membrane for desalination by pervaporation. The theoretical approaches demonstrate the possibility to reach high mass transfer coefficients quite close to those obtained with conventional porous membranes if two conditions are verified: (i) a dense layer with a low thickness and (ii) a support with a high-water permeability. For this purpose, several membranes with a cellulose triacetate (CTA) polymer were prepared and compared with a hydrophobic membrane prepared in a previous study. The composite membranes were tested for several feed conditions, i.e., pure water, brine and saline water containing a surfactant. The results show that, whatever the tested feed, no wetting occurred during several hours of desalination tests. In addition, a steady flux was obtained together with a very high salt rejection (close to 100%) for the CTA membranes. Lastly, the CTA composite membrane was tested with real seawater without any pretreatment. It was shown that the salt rejection was still very high (close to 99.5%) and that no wetting could be detected for several hours. This investigation opens a new direction to prepare specific and sustainable membranes for desalination by pervaporation.
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Affiliation(s)
- Tarik Eljaddi
- LRGP-Laboratoire Réactions et Génie des Procédés, UMR 7274, 54001 Nancy, France
| | - Eric Favre
- LRGP-Laboratoire Réactions et Génie des Procédés, UMR 7274, 54001 Nancy, France
| | - Denis Roizard
- LRGP-Laboratoire Réactions et Génie des Procédés, UMR 7274, 54001 Nancy, France
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Conradi M, Sánchez-Moyano JE. Toward a sustainable circular economy for cigarette butts, the most common waste worldwide on the coast. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 847:157634. [PMID: 35905959 DOI: 10.1016/j.scitotenv.2022.157634] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 05/11/2023]
Abstract
The circular economy is based on the maximum use of resources by reducing, reusing, and recycling the elements used. Currently, the items littered most frequently in the world are cigarettes butts (CB) as these debris are freely disseminated in the marine habitat, they are generally difficult to collect and very complex to recycle. Litter CB is a great social problem that generates excessive economic costs and serious environmental problems. CB is also not biodegradable and highly toxic to marine organisms and presents a distinctive mixture of physical and chemical contamination. However, little research has been done on the management and recycling of this dangerous waste. Several proposals have been made to incorporate this waste into high-volume articles of direct production or recycling, but collection logistics are lacking since the current system is inefficient, in addition to the poor environmental behaviour of citizens. This work presents a current synthesis of the CB problem from all its possible aspects in order to have a global vision of the life cycle of the CB, indicating both the known and the gaps in the knowledge of each of them, and intends to give a general outline of the steps to follow to try to end such a worrying problem at the global level.
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Affiliation(s)
- Mercedes Conradi
- Department of Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes 6, 41012 Sevilla, Spain
| | - J Emilio Sánchez-Moyano
- Department of Zoology, Faculty of Biology, University of Sevilla, Av. Reina Mercedes 6, 41012 Sevilla, Spain.
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Ee LY, Tan RPW, Li SFY. Facile electrospray fabrication of ultralow biofouling cellulose acetate desalination membrane with nanocellulose/UiO66-NH2 fillers. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Ghamri W, Loulergue P, Petrinić I, Hélix-Nielsen C, Pontié M, Nasrallah N, Daoud K, Szymczyk A. Impact of sodium hypochlorite on rejection of non-steroidal anti-inflammatory drugs by biomimetic forward osmosis membranes. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119388] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Santos-Echeandía J, Zéler A, Gago J, Lacroix C. The role of cigarette butts as vectors of metals in the marine environment: Could it cause bioaccumulation in oysters? JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125816. [PMID: 34492782 DOI: 10.1016/j.jhazmat.2021.125816] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 03/30/2021] [Accepted: 04/01/2021] [Indexed: 06/13/2023]
Abstract
Tobacco is a well-documented threat to human health. However, its environmental impact has only recently been considered. Metals can interact with cigarette butts (CBs) being transported in the marine environment and reaching organisms. To understand this mechanism, a series of metal(loid)s were analyzed in cigarette filters (virgin, artificially smoked, leached in seawater and aged in beach and harbour) as well as in artificially contaminated oyster tissues. Smoked filters showed higher levels of metals compared to the virgin ones showing enrichment factors up to 90, probably associated with tobacco metal content. Once the CBs are delivered to the environment, metals can be leached to seawater until reaching equilibrium, which may be dependent on initial metal levels in the water. Copper was the element with the highest percentage of desorption (91 ± 3%) while strontium showed the lowest percentage (40 ± 0%). CBs revealed a great capacity to accumulate metals from the environment when weathered in contaminated areas. A chemical impact derived from CBs contamination might exist as they serve as a carrier for metals in the marine environment. The release of metals from CBs or the ingestion of metal loaded CBs may pose a toxicological risk for marine organisms via accumulation in their tissues.
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Affiliation(s)
- Juan Santos-Echeandía
- Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Vigo, Subida a Radio Faro, 50-52, Vigo 36390, Spain.
| | - Aurore Zéler
- Centre of Documentation, Research and Experimentation on Accidental Water Pollution (Cedre), 715 rue Alain Colas, CS 41836, Brest Cedex 2 29218, France
| | - Jesús Gago
- Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Vigo, Subida a Radio Faro, 50-52, Vigo 36390, Spain
| | - Camille Lacroix
- Centre of Documentation, Research and Experimentation on Accidental Water Pollution (Cedre), 715 rue Alain Colas, CS 41836, Brest Cedex 2 29218, France
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Nakao T, Miura Y, Furuichi K, Yasukawa M. Cellulose Triacetate (CTA) Hollow-Fiber (HF) Membranes for Sustainable Seawater Desalination: A Review. MEMBRANES 2021; 11:183. [PMID: 33800203 PMCID: PMC8000292 DOI: 10.3390/membranes11030183] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/18/2021] [Accepted: 03/01/2021] [Indexed: 11/16/2022]
Abstract
Cellulose triacetate (CTA)-based hollow fiber (HF) membrane is one of the commercially successful semipermeable membranes that has had a long progress since the time the excellent semi-permeable feature of cellulose-based polymers was found in 1957. Because of the reliable and excellent performances, especially for drinking water production from seawater, CTA-HFs have been widely used as reverse osmosis (RO) membranes, especially in arid regions. In this review, recent developments and research trends on CTA-HF membranes for seawater reverse osmosis (SWRO) plants were presented. A flux analytical model, an optimization strategy for chlorine injection without losing salt rejection performance, and a module of current high performance CTA RO membranes along with its plant operation data were updated in this paper. Furthermore, a newly developed CTA-HF membrane for brine concentration (BC) application (called BC membrane) was also addressed. Finally, RO/BC hybrid operation was introduced as an effective SWRO desalination technique that enables minimizing the volume of brine disposal from the RO plant by increasing the recovery ratio and the subsequent amount of produced freshwater, without an additional energy input.
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Affiliation(s)
- Takahito Nakao
- Desalination Membrane Department, Toyobo Co., Ltd., Osaka 530-8230, Japan
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
| | - Yuki Miura
- Iwakuni Membrane Plant, Toyobo Co., Ltd., 1-1 Nadamachi, Iwakuni, Yamaguchi 740-0033, Japan
| | - Kenji Furuichi
- Research Center, Toyobo Co., Ltd., 2-1-1 Katata, Ohtsu-City, Shiga 520-0292, Japan; (K.F.); (M.Y.)
| | - Masahiro Yasukawa
- Research Center, Toyobo Co., Ltd., 2-1-1 Katata, Ohtsu-City, Shiga 520-0292, Japan; (K.F.); (M.Y.)
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12
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Batko KM, Ślęzak A. Evaluation of the Global S-Entropy Production in Membrane Transport of Aqueous Solutions of Hydrochloric Acid and Ammonia. ENTROPY (BASEL, SWITZERLAND) 2020; 22:E1021. [PMID: 33286790 PMCID: PMC7597114 DOI: 10.3390/e22091021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/04/2020] [Accepted: 09/10/2020] [Indexed: 11/29/2022]
Abstract
The results of experimental studies of volume osmotic fluxes (Jvkr) and fluxes of dissolved substances (Jkr) in a system containing a synthetic Nephrophan® membrane (Orwo VEB Filmfabrik, Wolfen, Germany) set in a horizontal plane are presented. The membrane separated water and aqueous HCl or ammonia solutions or aqueous ammonia and HCl solutions. It was found that for the homogeneity conditions of the solutions Jvk and Jk depend only on the concentration and composition of the solutions. For concentration polarization conditions (where concentration boundary layers are created on both sides), Jvkr and Jkr depend on both the concentration and composition of the solutions and the configuration of the membrane system. The obtained results of the Jvk and Jk flux studies were used to assess the global production of entropy for the conditions of homogeneity of solutions (ΦSk), while Jvkr and Jkr-to assess the global production of entropy for concentration polarization conditions (ΦSkr). In addition, the diffusion-convective effects and the convection effect in the global source of entropy were calculated. The concentration polarization coefficient ζir was related to modified concentration Rayleigh number, e.g., the parameter controlling the transition from non-convective (diffusive) to convective state. This number acts as a switch between two states of the concentration field: convective (with a higher entropy source value) and non-convective (with a lower entropy source value). The operation of this switch indicates the regulatory role of earthly gravity in relation to membrane transport.
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Affiliation(s)
- Kornelia M. Batko
- Department of Business Informatics, University of Economics, 40287 Katowice, Poland
| | - Andrzej Ślęzak
- Department of Health Science, Jan Dlugosz University, 13/15 Armia Krajowa Al., 42200 Częstochowa, Poland;
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Batko KM, Ślęzak A, Bajdur WM. The Role of Gravity in the Evolution of the Concentration Field in the Electrochemical Membrane Cell. ENTROPY (BASEL, SWITZERLAND) 2020; 22:E680. [PMID: 33286451 PMCID: PMC7517220 DOI: 10.3390/e22060680] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/15/2020] [Accepted: 06/16/2020] [Indexed: 11/16/2022]
Abstract
The subject of the study was the osmotic volume transport of aqueous CuSO4 and/or ethanol solutions through a selective cellulose acetate membrane (Nephrophan). The effect of concentration of solution components, concentration polarization of solutions and configuration of the membrane system on the value of the volume osmotic flux ( J v i r ) in a single-membrane system in which the polymer membrane located in the horizontal plane was examined. The investigations were carried out under mechanical stirring conditions of the solutions and after it was turned off. Based on the obtained measurement results J v i r , the effects of concentration polarization, convection polarization, asymmetry and amplification of the volume osmotic flux and the thickness of the concentration boundary layers were calculated. Osmotic entropy production was also calculated for solution homogeneity and concentration polarization conditions. Using the thickness of the concentration boundary layers, critical values of the Rayleigh concentration number ( R C r ), i.e., the switch, were estimated between two states: convective (with higher J v i r ) and non-convective (with lower J v i r ). The operation of this switch indicates the regulatory role of earthly gravity in relation to membrane transport.
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Affiliation(s)
- Kornelia M. Batko
- Department of Business Informatics, University of Economics, 40287 Katowice, Poland
| | - Andrzej Ślęzak
- Department of Innovation and Safety Management Systems, Technical University of Czestochowa, 42200 Czestochowa, Poland;
| | - Wioletta M. Bajdur
- Department of Innovation and Safety Management Systems, Technical University of Czestochowa, 42200 Czestochowa, Poland;
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Jun BM, Jang M, Park CM, Han J, Yoon Y. Selective adsorption of Cs+ by MXene (Ti3C2Tx) from model low-level radioactive wastewater. NUCLEAR ENGINEERING AND TECHNOLOGY 2020. [DOI: 10.1016/j.net.2019.11.020] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Jun BM, Park CM, Heo J, Yoon Y. Adsorption of Ba 2+ and Sr 2+ on Ti 3C 2T x MXene in model fracking wastewater. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 256:109940. [PMID: 31818745 DOI: 10.1016/j.jenvman.2019.109940] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/05/2019] [Accepted: 11/26/2019] [Indexed: 06/10/2023]
Abstract
Wastewater from hydraulic fracking contains both organic and inorganic pollutants; the latter include radioactive nuclides such as Ba2+ and Sr2+. We explored whether MXene (Ti3C2Tx), a novel adsorbent, could remove Ba2+ and Sr2+ from model wastewater. Zeta potential analysis showed that MXene had a high negative surface charge. MXene adsorbed Ba2+ and Sr2+ via electrostatic attraction, as confirmed by the adsorption at different solution pH values and in the presence of various concentrations of other ions (NaCl and CaCl2). MXene exhibited outstanding adsorption of Ba2+ and Sr2+, to approximately 180 and 225 mg g-1, respectively, when 1 g L-1 MXene was admixed with adsorbates at 2 g L-1. MXene exhibited very rapid adsorption kinetics, attaining equilibrium within 1 h. X-ray photoelectron spectroscopy and Fourier-transform infrared spectroscopy revealed that MXene adsorbed Ba2+ and Sr2+, respectively, via ion exchange and inner-sphere complex formation. Finally, we performed MXene reusability tests; reusability was excellent over at least four cycles. Thus, MXene removed Ba2+ and Sr2+ from model fracking wastewater.
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Affiliation(s)
- Byung-Moon Jun
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, 300 Main Street, SC, 29208, USA
| | - Chang Min Park
- Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Jiyong Heo
- Department of Civil and Environmental Engineering, Korea Army Academy at Young-Cheon, 495 Hogook-ro, Kokyungmeon, Young-Cheon, Gyeongbuk, 38900, South Korea.
| | - Yeomin Yoon
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, 300 Main Street, SC, 29208, USA.
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Ma W, Ding Y, Zhang M, Gao S, Li Y, Huang C, Fu G. Nature-inspired chemistry toward hierarchical superhydrophobic, antibacterial and biocompatible nanofibrous membranes for effective UV-shielding, self-cleaning and oil-water separation. JOURNAL OF HAZARDOUS MATERIALS 2020; 384:121476. [PMID: 31699485 DOI: 10.1016/j.jhazmat.2019.121476] [Citation(s) in RCA: 140] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/29/2019] [Accepted: 10/13/2019] [Indexed: 05/27/2023]
Abstract
Fabrication of environmental-friendly, low-cost, and free-standing superhydrophobic nanofibrous membranes with additional functionalities such as self-cleaning and UV-shielding properties is highly demanded for oil-water separation. Herein, we describe the preparation of multifunctional superhydrophobic nanofibrous membrane by using a facile and novel nature-inspired method, i.e., plant polyphenol (tannic acid) metal complex is introduced to generate rough hierarchical structures on the surface of an electrospun polyimide (PI) nanofibrous membrane, followed by modification of poly (dimethylsiloxane) (PDMS). Taking an as-prepared tannic acid - Al3+-based superhydrophobic membrane as an example, it not only exhibits anti-impact, low-adhesive and self-cleaning functions, but also presents excellent performance in the separation of various oil-water mixtures. A high flux up to 6935 l m-2 h-1 with a separation efficiency of over 99% and the oil contents in water below 5 ppm is obtained even after repeating use for twenty separation cycles. Additionally, the membrane exhibits excellent UV-shielding property, attributing to the inherent UV-absorbing ability of tannic acid. Furthermore, the membrane also possesses additional properties including antibacterial activity, good biocompatibility, robust mechanical strength, and excellent resistance to various harsh conditions. These attractive properties of the as-prepared membrane make it a promising candidate for potential applications in industrial oil-contaminated water treatments and oil-water separation.
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Affiliation(s)
- Wenjing Ma
- College of Chemistry and Chemical Engineering, Southeast University (SEU), Nanjing, 211189, PR China
| | - Yichun Ding
- Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences (CAS), Fuzhou, 350002, PR China
| | - Mengjie Zhang
- College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-forest Biomass, Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals, Nanjing Forestry University (NFU), Nanjing, 210037, PR China
| | - Shuting Gao
- College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-forest Biomass, Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals, Nanjing Forestry University (NFU), Nanjing, 210037, PR China
| | - Yuansheng Li
- College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-forest Biomass, Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals, Nanjing Forestry University (NFU), Nanjing, 210037, PR China
| | - Chaobo Huang
- College of Chemical Engineering, Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-forest Biomass, Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals, Nanjing Forestry University (NFU), Nanjing, 210037, PR China.
| | - Guodong Fu
- College of Chemistry and Chemical Engineering, Southeast University (SEU), Nanjing, 211189, PR China.
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Jun BM, Hwang HS, Heo J, Han J, Jang M, Sohn J, Park CM, Yoon Y. Removal of selected endocrine-disrupting compounds using Al-based metal organic framework: Performance and mechanism of competitive adsorption. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2019.07.009] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Lee DJ, Hsieh MH. Forward osmosis membrane processes for wastewater bioremediation: Research needs. BIORESOURCE TECHNOLOGY 2019; 290:121795. [PMID: 31326216 DOI: 10.1016/j.biortech.2019.121795] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/09/2019] [Accepted: 07/10/2019] [Indexed: 06/10/2023]
Abstract
Increasing research and development works have been made to develop forward osmosis (FO) processes as a cost-effective substitute for energy intensive water vacuum suction facility in submerged membrane bioreactor (MBR) applications. Perceived to be a spontaneous water driven process without external applied pressures, the FO has been applied in lab and pilot scales for wastewater bioremediation. This paper reviewed the state-of-the-art developments on the FO unit, the process, and ways of enhancing process performance, particularly on the aspects of flux enhancement, flow resistance reduction, and draw solute with low reverse salt diffusion, which are relevant to enhanced osmotic MBR performance. The perspective to realize the use of FO processes in revision of currently existing energy intensive osmotic MBR processes is discussed with research needs being highlighted.
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Affiliation(s)
- Duu-Jong Lee
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan; Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan; College of Technology and Engineering, National Taiwan Normal University, Taipei 10610, Taiwan.
| | - Meng-Huan Hsieh
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
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Post-Treatment of Nanofiltration Polyamide Membrane through Alkali-Catalyzed Hydrolysis to Treat Dyes in Model Wastewater. WATER 2019. [DOI: 10.3390/w11081645] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This research focused on the influence of post-treatment using alkali-catalyzed hydrolysis with a full-aromatic nanofiltration (NF) polyamide membrane and its application to the efficient removal of selected dyes. The post-treated membranes were characterized through Fourier transform infrared spectroscopy, goniometry, and zeta-potential analysis to analyze the treatment-induced changes in the intrinsic properties of the membrane. Furthermore, the changes in permeability induced by the post-treatment were evaluated via the measurement of water flux, NaCl rejection, and molecular weight cutoff (MWCO) under different pH conditions and post-treatment times. Major changes induced by the post-treatment in terms of physicochemical properties were the enhancement of permeability, hydrophilicity, and negative charge due to the hydrolysis of the membrane’s amide bonds. Four different dyes were selected as representative organic pollutants considering the MWCO of the post-treated membranes. Compared with the pristine NF membrane, membranes post-treated at pH 13.5 showed better water flux with similar rejection of the target dyes. On the basis of these results, the proposed post-treatment method for NF membranes can be applied to the removal of organic pollutants of various size.
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Lu P, Li W, Yang S, Liu Y, Wang Q, Li Y. Layered double hydroxide-modified thin–film composite membranes with remarkably enhanced chlorine resistance and anti-fouling capacity. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.03.039] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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21
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Chen GJ, Lee DJ. Synthesis of asymmetrical cellulose acetate/cellulose triacetate forward osmosis membrane: Optimization. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2018.10.031] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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22
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Solvent resistant nanofiltration membranes using EDA-XDA co-crosslinked poly(ether imide). Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.05.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Ayyavoo J, Kim IC, Kwon YN. Preparation of EVOH and aramid-modified polar nylon membrane for the removal of hard and soft colloidal particles. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2018.04.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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24
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Non-leaching antibacterial cellulose triacetate reverse osmosis membrane via covalent immobilization of quaternary ammonium cations. Carbohydr Polym 2018; 181:1102-1111. [DOI: 10.1016/j.carbpol.2017.11.036] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 10/03/2017] [Accepted: 11/12/2017] [Indexed: 01/22/2023]
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Wang Q, Aubry C, Chen Y, Song H, Zou L. Insights on Tuning the Nanostructure of rGO Laminate Membranes for Low Pressure Osmosis Process. ACS APPLIED MATERIALS & INTERFACES 2017; 9:22509-22517. [PMID: 28621919 DOI: 10.1021/acsami.7b04803] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
In this research, rGO laminates were prepared by a controlled partial reduction step, aimed to avoid aggregation and tune the interlayer spacing (d) between the rGO layers. The mild reducing agent vitamin C (l-AA) and cross-linker poly(carboxylic acid)s were used to improve the stability of the assembled rGO laminate membranes. AFM was used for the first time to further investigate the statistical size distribution of spacing between rGO layers. Topographical images of the edges of the rGO layers were obtained with an AFM instrument; interlayer spacing profiles were extracted, and then the data was plotted and fitted with Gaussian curves. We confirmed that the differently sized spacing coexisted, and their size distribution was affected by the reduction degree of rGO. At greater levels of reduction, more interlayer spacing was formed in the smaller size range, while few large gaps were still present. The obtained rGO laminate composite membranes were evaluated in a low pressure osmosis process such as forward osmosis (FO). The water permeation was higher in the rGO membrane prepared with a medium reduction degree (1.2-R) than the sample prepared by higher reduction degree (2.0-R) due to well-balanced nanochannels in hydrophilic regions and hydrophobic walls for fast transport of water molecules. The solute flux of the FO membrane was inversely correlated to the reduction degree. These findings helped in developing future strategies for designing high water flux and low reverse solute flux rGO membranes that are ideal for an FO process.
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Affiliation(s)
- Qiuze Wang
- Masdar Institute, Khalifa University of Science and Technology , Abu Dhabi 54224, United Arab Emirates
| | - Cyril Aubry
- Masdar Institute, Khalifa University of Science and Technology , Abu Dhabi 54224, United Arab Emirates
| | - Yaxin Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Huaihe Song
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Linda Zou
- Masdar Institute, Khalifa University of Science and Technology , Abu Dhabi 54224, United Arab Emirates
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Wang C, Gao B, Zhao P, Li R, Yue Q, Shon HK. Exploration of polyepoxysuccinic acid as a novel draw solution in the forward osmosis process. RSC Adv 2017. [DOI: 10.1039/c7ra04036a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Polyepoxysuccinic acid (PESA) is a green corrosion scale inhibitor.
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Affiliation(s)
- Chen Wang
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
| | - Baoyu Gao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
| | - Pin Zhao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
| | - Ruihua Li
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
| | - Qinyan Yue
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
| | - Ho Kyong Shon
- School of Civil and Environmental Engineering
- University of Technology
- Sydney (UTS)
- Australia
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