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Aquino M, Santoro S, Politano A, D’Andrea G, Siciliano A, Straface S, La Russa MF, Curcio E. Environmentally Friendly Photothermal Membranes for Halite Recovery from Reverse Osmosis Brine via Solar-Driven Membrane Crystallization. MEMBRANES 2024; 14:87. [PMID: 38668115 PMCID: PMC11052490 DOI: 10.3390/membranes14040087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/04/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024]
Abstract
Modern society and industrial development rely heavily on the availability of freshwater and minerals. Seawater reverse osmosis (SWRO) has been widely adopted for freshwater supply, although many questions have arisen about its environmental sustainability owing to the disposal of hypersaline rejected solutions (brine). This scenario has accelerated significant developments towards the hybridization of SWRO with membrane distillation-crystallization (MD-MCr), which can extract water and minerals from spent brine. Nevertheless, the substantial specific energy consumption associated with MD-MCr remains a significant limitation. In this work, energy harvesting was secured from renewables by hotspots embodied in the membranes, implementing the revolutionary approach of brine mining via photothermal membrane crystallization (PhMCr). This method employs self-heating nanostructured interfaces under solar radiation to enhance water evaporation, creating a carefully controlled supersaturated environment responsible for the extraction of minerals. Photothermal mixed matrix photothermal membranes (MMMs) were developed by incorporating graphene oxide (GO) or carbon black (CB) into polyvinylidene fluoride (PVDF) solubilized in an eco-friendly solvent (i.e., triethyl phosphate (TEP)). MMMs were prepared using non-solvent-induced phase separation (NIPS). The effect of GO or GB on the morphology of MMMs and the photothermal behavior was examined. Light-to-heat conversion was used in PhMCr experiments to facilitate the evaporation of water from the SWRO brine to supersaturation, leading to sodium chloride (NaCl) nucleation and crystallization. Overall, the results indicate exciting perspectives of PhMCr in brine valorization for a sustainable desalination industry.
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Affiliation(s)
- Marco Aquino
- Department of Environmental Engineering, University of Calabria (DIAm-UNICAL), Via P. Bucci, CUBO 44/A, 87036 Rende, Italy; (M.A.); (G.D.); (A.S.); (S.S.); (E.C.)
| | - Sergio Santoro
- Department of Environmental Engineering, University of Calabria (DIAm-UNICAL), Via P. Bucci, CUBO 44/A, 87036 Rende, Italy; (M.A.); (G.D.); (A.S.); (S.S.); (E.C.)
| | - Antonio Politano
- Department of Physical and Chemical Sciences, University of L’Aquila, Via Vetoio, 67100 L’Aquila, Italy;
| | - Giuseppe D’Andrea
- Department of Environmental Engineering, University of Calabria (DIAm-UNICAL), Via P. Bucci, CUBO 44/A, 87036 Rende, Italy; (M.A.); (G.D.); (A.S.); (S.S.); (E.C.)
| | - Alessio Siciliano
- Department of Environmental Engineering, University of Calabria (DIAm-UNICAL), Via P. Bucci, CUBO 44/A, 87036 Rende, Italy; (M.A.); (G.D.); (A.S.); (S.S.); (E.C.)
| | - Salvatore Straface
- Department of Environmental Engineering, University of Calabria (DIAm-UNICAL), Via P. Bucci, CUBO 44/A, 87036 Rende, Italy; (M.A.); (G.D.); (A.S.); (S.S.); (E.C.)
| | - Mauro Francesco La Russa
- Department of Biology, Ecology and Earth Sciences, University of Calabria (DiBEST-UNICAL), Via P. Bucci, CUBO 12/B, 87036 Rende, Italy;
| | - Efrem Curcio
- Department of Environmental Engineering, University of Calabria (DIAm-UNICAL), Via P. Bucci, CUBO 44/A, 87036 Rende, Italy; (M.A.); (G.D.); (A.S.); (S.S.); (E.C.)
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Song E, Anh Thu Tran N, Woon Kang Y, Yu H, Yoo CY, Tae Park J, Cho Y. Two-Dimensional Bimetallic Cobalt-Copper Metal Organic Framework for Improved Desalination Performance of Capacitive Deionization. J IND ENG CHEM 2023. [DOI: 10.1016/j.jiec.2023.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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Gradinaru LM, Vlad S, Ciobanu RC. The Development and Study of Some Composite Membranes Based on Polyurethanes and Iron Oxide Nanoparticles. MEMBRANES 2022; 12:1127. [PMID: 36363682 PMCID: PMC9695552 DOI: 10.3390/membranes12111127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/02/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
To improve the performance of composite membranes, their morphology can be tailored by precise control of the fabrication methods and processing conditions. To this end, the aim of this study was to develop novel high-performance composite membranes based on polyurethane matrix and magnetic nanoparticles with the desired morphology and stability, by selecting the proper method and fabrication systems. These well-prepared composite membranes were investigated from the point of view of their morphological, physico-chemical, mechanical, dielectric, and magnetic properties. In addition, their in vitro cytocompatibility was also verified by the MTT assay and their cell morphology. The results of this study can provide valuable information regarding the preparation of magnetic polyurethane-based composite membranes that could be used to design some suitable devices with tailored properties, in order to improve the image quality in magnetic resonance imaging investigations and to suppress local image artifacts and blurring.
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Affiliation(s)
- Luiza Madalina Gradinaru
- “Petru Poni” Institute of Macromolecular Chemistry, Gr. Ghica Voda Alley, 41A, 700487 Iasi, Romania
| | - Stelian Vlad
- “Petru Poni” Institute of Macromolecular Chemistry, Gr. Ghica Voda Alley, 41A, 700487 Iasi, Romania
| | - Romeo Cristian Ciobanu
- Electrical Engineering Faculty, “Gheorghe Asachi” Technical University of Iasi, Dimitrie Mangeron Bd., 67, 700050 Iasi, Romania
- SC All Green SRL, I. Bacalu Street, 5, 700029 Iasi, Romania
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Lopez-Fernandez M, Tariq S, Naseem K, Ahmad A, Khan S, Younas U, Javed MS, Fan WS, Luque R, Ali S. Graphene based composite membranes for environmental toxicology remediation, critical approach towards environmental management. CHEMOSPHERE 2022; 307:136034. [PMID: 36029855 DOI: 10.1016/j.chemosphere.2022.136034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/23/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Graphene-based composite membranes, as laminated, stacked, and assembled architectures of graphene, have surpassed other conventional membranes with their advanced and preeminent structural specialization and potential use in a wide range of sustainable and environmental applications. The characteristic membrane features such as distinct laminar morphology, tailored physicochemical properties, as well as extraordinary molecular properties have fascinated scientists. Due to remarkable mechanical properties, these membranes can be easily fabricated. Recent progress has been achieved by graphene and its derivatives-based membranes to purify water and gases for environmental remediation. This review explained the latest and groundbreaking advances in chemical design, fabrication, and application of graphene-based membranes. Special attention is paid to the recent developments on graphene-based composites into membranes with various forms: free-standing, layered, and graphene-based nanocomposite membranes. Furthermore, a unique approach on environmental management with as-fabricated membranes is provided by discussing the effect of physicochemical properties. Consequently, their full-scale use for environmental management, water purification, gas purification, and biological treatments will pave the way for their promising features and realize their future prospects.
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Affiliation(s)
- Miriam Lopez-Fernandez
- Departamento de Quimica Organica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain
| | - Sadaf Tariq
- Department of Biochemistry, Government College University, Faisalabad, 38000, Pakistan
| | - Khalida Naseem
- Department of Basic and Applied Chemistry, Faculty of Science and Technology, University of central punjab, Lahore, Pakistan
| | - Awais Ahmad
- Departamento de Quimica Organica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain
| | - Safia Khan
- Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Umer Younas
- Department of Chemistry, The University of Lahore, Lahore, 54590, Pakistan
| | - Muhammad Sufyan Javed
- School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, PR China.
| | - Wong Siew Fan
- Department of Petroleum Engineering, School of Engineering, Asia Pacific University of Technology & Innovation, 57000, Kuala Lumpur, Malaysia
| | - Rafael Luque
- Departamento de Quimica Organica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain; Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str., 117198, Moscow, Russian Federation.
| | - Shafaqat Ali
- Department of Environmental Sciences & Engineering, Government College University, Faisalabad, 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan.
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Khaliha S, Bianchi A, Kovtun A, Tunioli F, Boschi A, Zambianchi M, Paci D, Bocchi L, Valsecchi S, Polesello S, Liscio A, Bergamini M, Brunetti M, Luisa Navacchia M, Palermo V, Melucci M. Graphene oxide nanosheets for drinking water purification by tandem adsorption and microfiltration. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Polyvinylidene Fluoride Membrane with a Polyvinylpyrrolidone Additive for Tofu Industrial Wastewater Treatment in Combination with the Coagulation-Flocculation Process. MEMBRANES 2021; 11:membranes11120948. [PMID: 34940450 PMCID: PMC8704348 DOI: 10.3390/membranes11120948] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/29/2021] [Accepted: 11/29/2021] [Indexed: 11/29/2022]
Abstract
Wastewater from the tofu industry contains many pollutants that are very harmful to the environment, significantly endangering aquatic life and producing a pungent odor. This study aims to prepare a polyvinylidene fluoride (PVDF) membrane with the additive polyvinylpyrrolidone (PVP), and utilize it to treat tofu wastewater in the ultrafiltration (UF) process. Flat sheet membranes were prepared using PVDF that was dissolved in N,N-dimethylacetamide (DMAc) and then combined with the additive material of PVP at the varying compositions of 14.9/0.1, 14.85/0.15, and 14.8/0.2 g of PVDF/gram of PVP. The addition of PVP was proposed to improve the properties of the membranes. Characterization by scanning electron microscope (SEM), water contact angle, and Fourier transform infrared spectroscopy (FTIR) were performed on the PVDF/PVP membrane flat sheet in order to understand and compare changes in the physical and chemical properties that occurred in the membrane. Prior to the UF process, the tofu wastewater was treated by a coagulation–flocculation process through a jar tester using poly aluminum chloride (PAC) as a coagulant. Based on the membrane characterization, the addition of PVP improved the physical and chemical properties of membranes. The pore size of the membrane becomes larger, which could increase permeability as well as the flux value. The TSS and turbidity of the water produced in the UF process decreased with an increase in feed pressure due to a greater driving force generated to facilitate the penetration of the suspended solids. The UF results showed that the effect of PVP on water flux was greatest for the 14.85/0.15 PVDF/PVP membrane for both pure and wastewater. In addition, the highest percentage of rejection for TSS and turbidity were observed in the 14.9/0.1 PVDF/PVP membrane and rejection for TDS was indicated in the 14.8/0.2 PVDF/PVP membrane. Meanwhile, the resulting pH decreased slightly across all samples as feed pressure increased.
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