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Zarandona A, Salazar H, Insausti M, Lanceros-Méndez S, Zhang Q. Sonophotocatalytic removal of organic dyes in real water environments using reusable BiSI@PVDF-HFP nanocomposite membranes. CHEMOSPHERE 2024; 357:142069. [PMID: 38648986 DOI: 10.1016/j.chemosphere.2024.142069] [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: 02/07/2024] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 04/25/2024]
Abstract
Focusing on the uncontrolled discharge of organic dyes, a known threat to human health and aquatic ecosystems, this work employs a dual-functional catalyst approach, by immobilizing a synthesized bismuth sulfur iodide (BiSI) into a poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) polymeric matrix for multifunctional water remediation. The resulting BiSI@PVDF nanocomposite membrane (NCM), with 20 wt% filler content, maintains a highly porous structure without compromising morphology or thermal properties. Demonstrating efficiency in natural pH conditions, the NCM removes nearly all Rhodamine B (RhB) within 1 h, using a combined sonophotocatalytic process. Langmuir and pseudo-second-order models describe the remediation process, achieving a maximum removal capacity (Qmax) of 72.2 mg/g. In addition, the combined sonophotocatalysis achieved a degradation rate ten and five times higher (0.026 min-1) than photocatalysis (0.002 min-1) and sonocatalysis (0.010 min-1). Furthermore, the NCM exhibits notable reusability over five cycles without efficiency losses and efficiencies always higher than 90%, highlighting its potential for real water matrices. The study underscores the suitability of BiSI@PVDF as a dual-functional catalyst for organic dye degradation, showcasing synergistic adsorption, photocatalysis, and sonocatalysis for water remediation.
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Affiliation(s)
- Amaia Zarandona
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940, Leioa, Spain.
| | - Hugo Salazar
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940, Leioa, Spain.
| | - Maite Insausti
- Departamento Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, University of the Basque Country (UPV/EHU), Sarriena s/n, 48940, Leioa, Spain
| | - Senentxu Lanceros-Méndez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940, Leioa, Spain; IKERBASQUE, Basque Foundation for Science, 48013, Bilbao, Spain
| | - Qi Zhang
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940, Leioa, Spain; IKERBASQUE, Basque Foundation for Science, 48013, Bilbao, Spain.
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Lee U, Park K, Chang S, Cho M, Lee J. Feasibility evaluation of near dissolved organic matter microfiltration (NDOM MF) for the efficient removal of microplastics in the water treatment process. CHEMOSPHERE 2024; 356:141882. [PMID: 38582163 DOI: 10.1016/j.chemosphere.2024.141882] [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: 01/14/2024] [Revised: 03/25/2024] [Accepted: 03/31/2024] [Indexed: 04/08/2024]
Abstract
Microfiltration (MF) using membranes with a mean pore size smaller than 0.45 μm has generally been used for particle removal from water, given that materials larger and smaller than 0.45 μm are regarded as particulates and dissolved organic matter (DOM), respectively. It is also the case for removing small-size microplastics (MPs). However, given their sizes (ca. 1 μm), there is room for further improvement of the productivity (i.e., water flux) in the pore size range of 0.45-1 μm on the condition that the removal rate is maintained. With this in mind, MF's water flux and removal rate were tested using seven different MF membranes, and the right pore, with the size of 0.8 μm, was found for MP removal, which is called near DOM (NDOM) MF. In the filtration test using polystyrene surrogate beads with an average particle diameter of 1.20 μm, NDOM MF exhibited a 1.7 to 13 times higher permeate flux than the conventional MF using 0.1, 0.2, and 0.45 μm membranes while maintaining a higher removal rate than 2 log. The excellent removal rate of the NDOM MF was attributable to the following three factors: (1) smaller mean pore size than the average particle diameter, (2) particle screening effect enhanced by the secondary layer formed by surface deposition, and (3) 3D mesh sublayer structure favorable for capturing penetrated particles. Furthermore, the outstanding filtration performance also appeared in a low-temperature (< 10°C) process, demonstrating that NDOM MF is feasible independently of temperature. Additionally, in constant flux filtration, NDOM MF demonstrated the long-term feasibility by lowering the transmembrane pressure and specific filtration energy by more than 2 times.
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Affiliation(s)
- Uje Lee
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Kyeongyeon Park
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Seungwon Chang
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Min Cho
- Division of Biotechnology, SELS Center, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea.
| | - Jaewoo Lee
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea; Department of Polymer-Nano Science and Technology, Department of JBNU-KIST Industry-Academia Convergence Research, Polymer Materials Fusion Research Center, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea.
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Popa A, Stefan M, Macavei S, Perhaita I, Tudoran LB, Toloman D. Facile Preparation of PVDF/CoFe 2O 4-ZnO Hybrid Membranes for Water Depollution. Polymers (Basel) 2023; 15:4547. [PMID: 38231983 PMCID: PMC10708052 DOI: 10.3390/polym15234547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/24/2023] [Accepted: 11/25/2023] [Indexed: 01/19/2024] Open
Abstract
In this investigation, CoFe2O4-PVDF and CoFe2O4-ZnO-PVDF hybrid membranes were prepared using a modified phase inversion method in which a magnetic field was applied during the casting process to ensure a uniform distribution of nanomaterials on the membrane surface. Thus, better absorption of light and increased participation of nanoparticles in the photodegradation process is ensured. The influence of nanomaterials on the crystalline structure, surface morphology, and hydrophilicity properties of the PVDF membrane was investigated. The obtained results indicated that the hybrid membrane exhibited significant differences in its intrinsic properties due to the nanomaterials addition. The hydrophilicity properties of the PVDF membrane were improved by the presence of nanoparticles. The photocatalytic decomposition of aqueous Rhodamine B solution in the presence of the prepared membrane and under visible light irradiation was tested. The hybrid membrane containing CoFe2O4-ZnO on its surface exhibited a high removal rate.
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Affiliation(s)
- Adriana Popa
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, Romania; (A.P.); (M.S.); (S.M.); (L.B.T.)
| | - Maria Stefan
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, Romania; (A.P.); (M.S.); (S.M.); (L.B.T.)
| | - Sergiu Macavei
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, Romania; (A.P.); (M.S.); (S.M.); (L.B.T.)
| | - Ioana Perhaita
- Raluca Ripan Institute for Research in Chemistry, Babes Bolyai University, 30 Fantanele, 400294 Cluj-Napoca, Romania;
| | - Lucian Barbu Tudoran
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, Romania; (A.P.); (M.S.); (S.M.); (L.B.T.)
| | - Dana Toloman
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, Romania; (A.P.); (M.S.); (S.M.); (L.B.T.)
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Zhang Q, Zhou R, Peng X, Li N, Dai Z. Development of Support Layers and Their Impact on the Performance of Thin Film Composite Membranes (TFC) for Water Treatment. Polymers (Basel) 2023; 15:3290. [PMID: 37571184 PMCID: PMC10422403 DOI: 10.3390/polym15153290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/30/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
Thin-film composite (TFC) membranes have gained significant attention as an appealing membrane technology due to their reversible fouling and potential cost-effectiveness. Previous studies have predominantly focused on improving the selective layers to enhance membrane performance. However, the importance of improving the support layers has been increasingly recognized. Therefore, in this review, preparation methods for the support layer, including the traditional phase inversion method and the electrospinning (ES) method, as well as the construction methods for the support layer with a polyamide (PA) layer, are analyzed. Furthermore, the effect of the support layers on the performance of the TFC membrane is presented. This review aims to encourage the exploration of suitable support membranes to enhance the performance of TFC membranes and extend their future applications.
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Affiliation(s)
- Qing Zhang
- School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, China
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, China
| | - Rui Zhou
- School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, China
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, China
| | - Xue Peng
- School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, China
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, China
| | - Nan Li
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, China
- School of Chemistry, Tiangong University, Tianjin 300387, China
| | - Zhao Dai
- School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, China
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, China
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Hliavitskaya T, Plisko T, Bildyukevich A, Liubimova A, Shumskaya A, Mikchalko A, Rogachev AA, Melnikova GB, Pratsenko SA. Novel Hydrophobic Ultrafiltration Membranes for Treatment of Oil-Contaminated Wastewater. MEMBRANES 2023; 13:402. [PMID: 37103829 PMCID: PMC10145576 DOI: 10.3390/membranes13040402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/20/2023] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
Cutting fluids are the main source of oily wastewater in the metalworking industry. This study deals with the development of antifouling composite hydrophobic membranes for treatment of oily wastewater. The novelty of this study is that a low energy electron-beam deposition technique was applied for a polysulfone (PSf) membrane with a molecular-weight cut-off of 300 kDa, which is promising for use in the treatment of oil-contaminated wastewater, by using polytetrafluoroethylene (PTFE) as target materials. The effect of the thickness of the PTFE layer (45, 660, and 1350 nm) on the structure, composition, and hydrophilicity of membranes was investigated using scanning electron microscopy, water contact angle (WCA) measurements, atomic force microscopy, and FTIR-spectroscopy. The separation and antifouling performance of the reference and modified membranes were evaluated during ultrafiltration of cutting fluid emulsions. It was found that the increase in the PTFE layer thickness results in the significant increase in WCA (from 56° up to 110-123° for the reference and modified membranes respectively) and decrease in surface roughness. It was found that cutting fluid emulsion flux of modified membranes was similar to the flux of the reference PSf-membrane (7.5-12.4 L·m-2·h-1 at 6 bar) while cutting fluid rejection (RCF) of modified membranes increased compared to the reference membrane (RCF = 58.4-93.3% for modified and RCF = 13% for the reference PSf membrane). It was established that despite the similar flux of cutting fluid emulsion, modified membranes demonstrate 5-6.5 times higher flux recovery ratio (FRR) compared to the reference membrane. The developed hydrophobic membranes were found to be highly efficient in oily wastewater treatment.
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Affiliation(s)
- Tatsiana Hliavitskaya
- Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
| | - Tatiana Plisko
- Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
| | - Alexandr Bildyukevich
- Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
| | - Alena Liubimova
- Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
| | - Alena Shumskaya
- Institute of Chemistry of New Materials, 220141 Minsk, Belarus
| | | | - Alexandr A. Rogachev
- Institute of Chemistry of New Materials, 220141 Minsk, Belarus
- F. Skorina Gomel State University, 246019 Gomel, Belarus
| | - Galina B. Melnikova
- Lykov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
| | - Svetlana A. Pratsenko
- Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
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