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Articoli di riviste sul tema "Membranes (Technology)"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 1 agosto 2024

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1

Abu-Zurayk, Rund, Nour Alnairat, Aya Khalaf, Abed Alqader Ibrahim, and Ghada Halaweh. "Cellulose Acetate Membranes: Fouling Types and Antifouling Strategies—A Brief Review." Processes 11, no. 2 (February 6, 2023): 489. http://dx.doi.org/10.3390/pr11020489.

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Cellulose acetate (CA) is a semisynthetic, biodegradable polymer. Due to its characteristics, CA has several applications, including water membranes, filament-forming matrices, biomedical nanocomposites, household tools, and photographic films. This review deals with topics related to the CA membranes, which are prepared using different techniques, such as the phase inversion technique. CA membranes are considered very important since they can be used as microfiltration membranes (MF), ultrafiltration membranes (UF), nanofiltration membranes (NF), reverse osmosis (RO) membranes, and forward os

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Alshahrani, Ahmed A., Abeer A. El-Habeeb, Arwa A. Almutairi, Dimah A. Almuaither, Sara A. Abudajeen, Hassan M. A. Hassan, and Ibrahim Hotan Alsohaimi. "Preparation, Characterization and Evaluation of Polyamide-Reduced Graphene Oxide as Selective Membranes for Water Purification." Journal of Composites Science 8, no. 1 (January 10, 2024): 24. http://dx.doi.org/10.3390/jcs8010024.

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Amidst the ongoing advancements in membrane technology, a leading method has come to the forefront. Recent research has emphasized the substantial influence of surface attributes in augmenting the effectiveness of thin-film membranes in water treatments. These studies reveal how surface properties play a crucial role in optimizing the performance of these membranes, further establishing their prominence in the field of membrane technology. This recognition stems from the precise engineering of surfaces, ensuring they meet the demanding requirements of advanced separation processes. This study

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3

Norfarhana, A. S., R. A. Ilyas, N. Ngadi, Shubham Sharma, Mohamed Mahmoud Sayed, A. S. El-Shafay, and A. H. Nordin. "Natural Fiber-Reinforced Thermoplastic ENR/PVC Composites as Potential Membrane Technology in Industrial Wastewater Treatment: A Review." Polymers 14, no. 12 (June 15, 2022): 2432. http://dx.doi.org/10.3390/polym14122432.

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Membrane separation processes are prevalent in industrial wastewater treatment because they are more effective than conventional methods at addressing global water issues. Consequently, the ideal membranes with high mechanical strength, thermal characteristics, flux, permeability, porosity, and solute removal capacity must be prepared to aid in the separation process for wastewater treatment. Rubber-based membranes have shown the potential for high mechanical properties in water separation processes to date. In addition, the excellent sustainable practice of natural fibers has attracted great

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4

Chen, Kaikai, Haoyang Ling, Hailiang Liu, Wei Zhao, and Changfa Xiao. "Design of Robust FEP Porous Ultrafiltration Membranes by Electrospinning-Sintered Technology." Polymers 14, no. 18 (September 11, 2022): 3802. http://dx.doi.org/10.3390/polym14183802.

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Perfluoropolymer membranes are widely used because of their good environmental adaptability. Herein, the ultrafine fibrous FEP porous membranes were fabricated with electrospinning-sintered technology. The effects of PVA content and sintering temperature on the fabricated membranes’ morphologies and properties were investigated. The results indicate that a kind of dimensionally stable network structure was formed in the obtained ultrafine fibrous FEP porous membranes after sintering the nascent ultrafine fibrous FEP/PVA membranes. The optimal sintering conditions were obtained by comparing the

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5

Al-Naemi, Amer Naji, Mohammed Amer Abdul-Majeed, Mustafa H. Al-Furaiji, and Inmar N. Ghazi. "Fabrication and Characterization of Nanofibers Membranes using Electrospinning Technology for Oil Removal." Baghdad Science Journal 18, no. 4 (December 1, 2021): 1338. http://dx.doi.org/10.21123/bsj.2021.18.4.1338.

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Oily wastewater is one of the most challenging streams to deal with especially if the oil exists in emulsified form. In this study, electrospinning method was used to prepare nanofiberous polyvinylidene fluoride (PVDF) membranes and study their performance in oil removal. Graphene particles were embedded in the electrospun PVDF membrane to enhance the efficiency of the membranes. The prepared membranes were characterized using a scanning electron microscopy (SEM) to verify the graphene stabilization on the surface of the membrane homogeneously; while FTIR was used to detect the functional grou

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6

Ji, Keyu, Chengkun Liu, Haijun He, Xue Mao, Liang Wei, Hao Wang, Mengdi Zhang, Yutong Shen, Runjun Sun, and Fenglei Zhou. "Research Progress of Water Treatment Technology Based on Nanofiber Membranes." Polymers 15, no. 3 (January 31, 2023): 741. http://dx.doi.org/10.3390/polym15030741.

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In the field of water purification, membrane separation technology plays a significant role. Electrospinning has emerged as a primary method to produce nanofiber membranes due to its straightforward, low cost, functional diversity, and process controllability. It is possible to flexibly control the structural characteristics of electrospun nanofiber membranes as well as carry out various membrane material combinations to make full use of their various properties, including high porosity, high selectivity, and microporous permeability to obtain high-performance water treatment membranes. These

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7

Rajendran, Raj G. "Polymer Electrolyte Membrane Technology for Fuel Cells." MRS Bulletin 30, no. 8 (August 2005): 587–90. http://dx.doi.org/10.1557/mrs2005.165.

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AbstractThe concept of using an ion-exchange membrane as an electrolyte separator for polymer electrolyte membrane (PEM) fuel cells was first reported by General Electric in 1955. However, a real breakthrough in PEM fuel cell technology occurred in the mid-1960s after DuPont introduced Nafion®, a perfluorosulfonic acid membrane. Due to their inherent chemical, thermal, and oxidative stability, perfluorosulfonic acid membranes displaced unstable polystyrene sulfonic acid membranes.Today, Nafion® and other related perfluorosulfonic acid membranes are considered to be the state of the art for PEM

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8

Galiano, Francesco, Roberto Castro-Muñoz, Raffaella Mancuso, Bartolo Gabriele, and Alberto Figoli. "Membrane Technology in Catalytic Carbonylation Reactions." Catalysts 9, no. 7 (July 19, 2019): 614. http://dx.doi.org/10.3390/catal9070614.

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In this review, the recent achievements on the use of membrane technologies in catalytic carbonylation reactions are described. The review starts with a general introduction on the use and function of membranes in assisting catalytic chemical reactions with a particular emphasis on the most widespread applications including esterification, oxidation and hydrogenation reactions. An independent paragraph will be then devoted to the state of the art of membranes in carbonylation reactions for the synthesis of dimethyl carbonate (DMC). Finally, the application of a specific membrane process, such

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9

Boyraz, Evren, Fatma Yalcinkaya, Jakub Hruza, and Jiri Maryska. "Surface-Modified Nanofibrous PVDF Membranes for Liquid Separation Technology." Materials 12, no. 17 (August 23, 2019): 2702. http://dx.doi.org/10.3390/ma12172702.

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Preparing easily scaled up, cost-effective, and recyclable membranes for separation technology is challenging. In the present study, a unique and new type of modified polyvinylidene fluoride (PVDF) nanofibrous membrane was prepared for the separation of oil–water emulsions. Surface modification was done in two steps. In the first step, dehydrofluorination of PVDF membranes was done using an alkaline solution. After the first step, oil removal and permeability of the membranes were dramatically improved. In the second step, TiO2 nanoparticles were grafted onto the surface of the membranes. Afte

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10

Akbari, Ahmad, Vahid Reza Abbaspour, and Seyed Majid Mojallali Rostami. "Tabas coal preparation plant wastewater treatment with membrane technology." Water Science and Technology 74, no. 2 (April 22, 2016): 333–42. http://dx.doi.org/10.2166/wst.2016.192.

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The goal of the present work is the Tabas coal preparation plant wastewater treatment using membrane technology. Polyacrylonitrile membrane was prepared through phase inversion method and then developed by annealing process. Also, high fouling resistance membranes were prepared by the embedding of TiO2 nanoparticles using self-assembling and blending methods. The effect of immersion time and TiO2 nanoparticles concentration was investigated using two techniques. The chemical structure, morphology, hydrophilicity, molecular weight cut-off and antifouling properties of membranes were characteriz

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Kausar, Ayesha. "Sustainable membrane technology for water purification—Manufacturing, recycling and environmental impacts." Journal of Polymer Science and Engineering 7, no. 1 (June 3, 2024): 5976. http://dx.doi.org/10.24294/jpse.v7i1.5976.

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Water pollution has become a serious threat to our ecosystem. Water contamination due to human, commercial, and industrial activities has negatively affected the whole world. Owing to the global demanding challenges of water pollution treatments and achieving sustainability, membrane technology has gained increasing research attention. Although numerous membrane materials have focused, the sustainable water purification membranes are most effective for environmental needs. In this regard sustainable, green, and recyclable polymeric and nanocomposite membranes have been developed. Materials ful

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12

Chung, Tai-Shung. "A Review of Microporous Composite Polymeric Membrane Technology for Air-Separation." Engineering Plastics 4, no. 4 (January 1996): 147823919600400. http://dx.doi.org/10.1177/147823919600400407.

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A detailed review of the fabrication technology of microporous composite polymeric membranes has been conducted. We believe that this type of membrane has greater potential than the traditional asymmetric-composite membranes to be used for the development of the third generation of gas-separation membranes. However, there are four major challenges when preparing a high-performance microporous composite membrane: namely, eliminating pore intrusion, reducing coating thickness, improving interfacial adhesion and enhancing separation performance. In this article, we review and identify those appro

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Chung, Tai-Shung. "A Review of Microporous Composite Polymeric Membrane Technology for Air-Separation." Polymers and Polymer Composites 4, no. 4 (May 1996): 269–83. http://dx.doi.org/10.1177/096739119600400407.

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A detailed review of the fabrication technology of microporous composite polymeric membranes has been conducted. We believe that this type of membrane has greater potential than the traditional asymmetric-composite membranes to be used for the development of the third generation of gas-separation membranes. However, there are four major challenges when preparing a high-performance microporous composite membrane: namely, eliminating pore intrusion, reducing coating thickness, improving interfacial adhesion and enhancing separation performance. In this article, we review and identify those appro

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14

Mohshim, Dzeti Farhah, Hilmi bin Mukhtar, Zakaria Man, and Rizwan Nasir. "Latest Development on Membrane Fabrication for Natural Gas Purification: A Review." Journal of Engineering 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/101746.

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In the last few decades, membrane technology has been a great attention for gas separation technology especially for natural gas sweetening. The intrinsic character of membranes makes them fit for process escalation, and this versatility could be the significant factor to induce membrane technology in most gas separation areas. Membranes were synthesized with various materials which depended on the applications. The fabrication of polymeric membrane was one of the fastest growing fields of membrane technology. However, polymeric membranes could not meet the separation performances required esp

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15

Olbrechts, Benoit, Bertrand Rue, Thomas Pardoen, Denis Flandre, and Jean Pierre Raskin. "Routes towards Novel Active Pressure Sensors in SOI Technology." Advanced Materials Research 276 (July 2011): 145–55. http://dx.doi.org/10.4028/www.scientific.net/amr.276.145.

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In this paper, novel pressure sensors approach is proposed and described. Active devices and oscillating circuits are directly integrated on very thin dielectric membranes as pressure transducers. Involved patterning of the membrane is supposed to cause a drop of mechanical robustness. Finite elements simulations are performed in order to better understand stress/strain distribution and as an attempt to explain the early burst of patterned membranes. Smart circuit designs are reported as solutions with high sensitivity and reduced footprint on membranes.

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Tholen, Jan, Bas Brand, and Eric van Schaick. "Membrane technology: Recovery of waste and water with membranes." Filtration & Separation 46, no. 2 (March 2009): 28–29. http://dx.doi.org/10.1016/s0015-1882(09)70035-7.

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Sanmartino, J. A., M. Khayet, and M. C. García-Payo. "Reuse of discarded membrane distillation membranes in microfiltration technology." Journal of Membrane Science 539 (October 2017): 273–83. http://dx.doi.org/10.1016/j.memsci.2017.06.003.

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18

Cadotte, J. "Nanofiltration membranes broaden the use of membrane separation technology." Desalination 70, no. 1 (1988): 89–93. http://dx.doi.org/10.1016/0011-9164(88)85006-9.

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Cadotte, J., R. Forester, M. Kim, R. Petersen, and T. Stocker. "Nanofiltration membranes broaden the use of membrane separation technology." Desalination 70, no. 1-3 (November 1988): 77–88. http://dx.doi.org/10.1016/0011-9164(88)85045-8.

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20

Rokhati, Nur, Titik Istirokhatun, Nur ‘Aini Hamada, and Dwi Titik Apriyanti. "Membrane Technology Application for Fractionation Process to Obtain High Quality Glucosamine." Reaktor 20, no. 2 (June 30, 2020): 103–8. http://dx.doi.org/10.14710/reaktor.20.2.103-108.

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Glucosamine, monosaccharide from chitosan obtained from the chitin deacetylation process, has been used widely in various fields such as nutrition, pharmacy, and cosmetics. Glucosamine can be obtained from the hydrolysis of chitosan. Enzymatic hydrolysis provides the advantage of mild reaction conditions, environmentally friendly, and high yield. But until now, the separation of glucosamine from the chitosan hydrolysis fraction has been an obstacle. Ultrafiltration membranes offer an efficient filtration process because they do not require additional chemicals. The performance of ultrafiltrati

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21

PONSANO, E. H. G., H. A. PIRES, D. L. OLIVEIRA, and A. F. GARCIA. "MEMBRANE TECHNOLOGY FOR THE TREATMENT OF FISH INDUSTRY EFFLUENT." Periódico Tchê Química 15, no. 30 (August 20, 2018): 504–12. http://dx.doi.org/10.52571/ptq.v15.n30.2018.508_periodico30_pgs_504_512.pdf.

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Membrane filtration emerges as an alternative for the treatment of fish processing effluent. The aim of this work was to verify the ability of membrane filtration on reducing the pollutant load of tilapia processing effluent. The filtrations were performed with 150, 30 and 10 kDa membranes. The physicochemical parameters of the effluent in natura and the permeates were compared among themselves and with the standards for launching foreseen in the Brazilian legislation to evaluate the possibility of direct disposal in water bodies. The three membranes had the same potential to remove total soli

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Pandey, Gaurav, and Abhishek Gupta. "Biological Waste Gas Treatment using Membrane Based Technology." International Journal of Advance Research and Innovation 4, no. 1 (2016): 63–76. http://dx.doi.org/10.51976/ijari.411610.

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This article presents a literature review on developments of membrane reactors for biological waste gas treatment as well as examples of applications to different compounds. The use of membranes combines selective separation of compounds from a waste gas stream followed by biological removal. Gas transport phenomena and different types of membranes used in biological waste gas treatment are discussed. So far, membrane-based biological waste gas treatment has only been tested on laboratory scale. If the long-term stability of these reactors can be demonstrated, membrane bioreactor technology ca

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23

Katibi, Kamil Kayode, Mohd Zuhair Mohd Nor, Khairul Faezah Md Yunos, Juhana Jaafar, and Pau Loke Show. "Strategies to Enhance the Membrane-Based Processing Performance for Fruit Juice Production: A Review." Membranes 13, no. 7 (July 20, 2023): 679. http://dx.doi.org/10.3390/membranes13070679.

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Fruit juice is an essential food product that has received significant acceptance among consumers. Harmonized concentration, preservation of nutritional constituents, and heat-responsive sensorial of fruit juices are demanding topics in food processing. Membrane separation is a promising technology to concentrate juice at minimal pressure and temperatures with excellent potential application in food industries from an economical, stable, and standard operation view. Microfiltration (MF) and ultrafiltration (UF) have also interested fruit industries owing to the increasing demand for reduced pr

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Sari, Syifa Aulia Permata, Lesta Lesta, Syarmila Syarmila, Yunilita Hanum, Zulfa Mawaddah, Jurian Jurian, and Nurhadini Nurhadini. "Extra A Review of Nanofiltration Membrane Technology To Treat Water Problems." Stannum : Jurnal Sains dan Terapan Kimia 4, no. 2 (October 31, 2022): 74–80. http://dx.doi.org/10.33019/jstk.v4i2.2936.

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One of the most widely used membranes is the nanofiltration membrane, this membrane is formed from various nanomaterials, such as metal nanoparticles and metal oxides, carbon-based nanoparticles, metal organic frameworks, and micro or organic nanoparticles. Membrane separation processes are used to concentrate or fractionate liquids to produce two liquids with different compositions. This makes the nanofiltration process an alternative compared to conventional processes. The potential of nanofiltration membranes can be used in textile industry wastewater treatment, tofu liquid waste, tofu liqu

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Kommineni, S. N., J. Bryck, C. Stringer, C. Stevens, N. Meyers, B. Karnik, R. Hoffman, and L. Sullivan. "Evaluation of an emerging water treatment technology: ceramic membranes." Water Supply 10, no. 5 (December 1, 2010): 765–70. http://dx.doi.org/10.2166/ws.2010.175.

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Historically, low-pressure membranes (microfiltration (MF) and ultrafiltration (UF)) used in potable water treatment are made of polymers (polysulfone (PS), polypropylene (PP), polyethersulfone (PES), polyvinylidene fluoride (PVDF) etc). Recently, membranes made of ceramic materials (aluminium oxide) have been developed by MetaWater (Japan), Kubota (Japan) and others and is being marketed in the United States (US) by Krüger, Inc. (Cary, NC). Ceramic membranes offer several potential advantages over polymeric membranes, including higher mechanical robustness and ability to handle higher loading

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Prihandana, Gunawan Setia, Sayed Sulthan Maulana, Rahmat Santoso Soedirdjo, Venni Tanujaya, Desak Made Adya Pramesti, Tutik Sriani, Mohd Fadzil Jamaludin, Farazila Yusof, and Muslim Mahardika. "Preparation and Characterization of Polyethersulfone/Activated Carbon Composite Membranes for Water Filtration." Membranes 13, no. 12 (December 12, 2023): 906. http://dx.doi.org/10.3390/membranes13120906.

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Ultrafiltration membrane technology holds promise for wastewater treatment, but its widespread application is hindered by fouling and flux reduction issues. One effective strategy for enhancing ultrafiltration membranes involves incorporating activated carbon powder. In this study, composite polyethersulfone (PES) ultrafiltration membranes were fabricated to include activated carbon powder concentrations between 0 and 1.5 wt.%, with carbon size fixed at 200 mesh. The ultrafiltration membranes were evaluated in terms of membrane morphology, hydrophilicity, pure water flux, equilibrium water con

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Lejarazu-Larrañaga, Amaia, Junkal Landaburu-Aguirre, Jorge Senán-Salinas, Juan Manuel Ortiz, and Serena Molina. "Thin Film Composite Polyamide Reverse Osmosis Membrane Technology towards a Circular Economy." Membranes 12, no. 9 (September 7, 2022): 864. http://dx.doi.org/10.3390/membranes12090864.

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It is estimated that Reverse Osmosis (RO) desalination will produce, by 2025, more than 2,000,000 end-of-life membranes annually worldwide. This review examines the implementation of circular economy principles in RO technology through a comprehensive analysis of the RO membrane life cycle (manufacturing, usage, and end-of-life management). Future RO design should incorporate a biobased composition (biopolymers, recycled materials, and green solvents), improve the durability of the membranes (fouling and chlorine resistance), and facilitate the recyclability of the modules. Moreover, proper me

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Ramalho, Maria João, Stéphanie Andrade, Joana Angélica Loureiro, and Maria Carmo Pereira. "Interaction of Bortezomib with Cell Membranes Regulates Its Toxicity and Resistance to Therapy." Membranes 12, no. 9 (August 23, 2022): 823. http://dx.doi.org/10.3390/membranes12090823.

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Bortezomib (BTZ) is a potent proteasome inhibitor currently being used to treat multiple myeloma. However, its high toxicity and resistance to therapy severely limit the treatment outcomes. Drug–membrane interactions have a crucial role in drugs’ behavior in vivo, affecting their bioavailability and pharmacological activity. Additionally, drugs’ toxicity often occurs due to their effects on the cell membranes. Therefore, studying BTZ’s interactions with cell membranes may explain the limitations of its therapy. Due to the cell membranes’ complexity, lipid vesicles were proposed here as biomemb

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Yanar, Numan, Moon Son, Hosik Park, and Heechul Choi. "Toward greener membranes with 3D printing technology." Environmental Engineering Research 26, no. 2 (April 23, 2020): 200027–0. http://dx.doi.org/10.4491/eer.2020.027.

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3D printing has recently influenced membrane science. As a green alternative to current membrane fabrication methods, 3D printing prevents the mixing of highly toxic chemicals into water through its sustainable production. Furthermore, the risk of exposure to these toxic materials and of mechanical accidents during the fabrication is also attenuated. This type of in-situ fabrication eliminates logistic-based problems caused by transportation and packaging. Eliminating packaging and reducing transportation and precision-based waste also reduces CO2 emissions. The advantages of 3D-printed membra

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Romero, Virginia, Lourdes Gelde, and Juana Benavente. "Electrochemical Characterization of Charged Membranes from Different Materials and Structures via Membrane Potential Analysis." Membranes 13, no. 8 (August 17, 2023): 739. http://dx.doi.org/10.3390/membranes13080739.

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Electrochemical characterization of positively and negatively charged membranes is performed by analyzing membrane potential values on the basis of the Teorell–Meyer–Sievers (TMS) model. This analysis allows the separate estimation of Donnan (interfacial effects) and diffusion (differences in ions transport through the membrane) contributions, and it permits the evaluation of the membrane’s effective fixed charge concentration and the transport number of the ions in the membrane. Typical ion-exchange commercial membranes (AMX, Ionics or Nafion) are analyzed, though other experimental and comme

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K. Pabby, Anil, and Pallavi Mahajan-Tatpate. "Hollow Fiber Contactors with Improved Hydrophobicity for Acid Gas Removal: Progress and Recent Advances." Journal of Applied Membrane Science & Technology 28, no. 2 (July 22, 2024): 49–84. http://dx.doi.org/10.11113/amst.v28n2.296.

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The gas–liquid membrane contactor technology, which integrates the absorption process with membranes, is a developing membrane technology that is especially pertinent to acid gas absorption. When it comes to removing acid gases from natural gas or after combustion, membrane technology has demonstrated potential as a substitute for conventional absorption columns. The membrane contactor offers exceptional operating flexibility and a high mass transfer area. In addition to summarizing the key elements of membrane materials, absorbents, and membrane contactor design, this paper presents the worki

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Mohd Nasir, Atikah, Mohd Ridhwan Adam, and Siti Khadijah Hubadillah. "Grand Challenges in the Development of Adsorptive Membrane for Water and Wastewater Treatment." Journal of Applied Membrane Science & Technology 27, no. 2 (July 24, 2023): 89–101. http://dx.doi.org/10.11113/amst.v27n2.270.

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Integrating nanotechnology and membrane technology has resulted in the development of adsorptive nanocomposite membranes with exceptional properties for various applications, including water reclamation. The application of adsorptive membranes in wastewater treatment is a promising technology that combines the advantages of adsorption and membrane filtration techniques. Literature reviews reported that various adsorptive membranes were successfully developed and efficiently removed emerging contaminants such as heavy metals and persistent organic pollutants from water over the last decades. Ho

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Imtiaz, Aniqa, Mohd Hafiz Dzarfan Othman, Asim Jilani, Imran Ullah Khan, Roziana Kamaludin, Javed Iqbal, and Abdullah G. Al-Sehemi. "Challenges, Opportunities and Future Directions of Membrane Technology for Natural Gas Purification: A Critical Review." Membranes 12, no. 7 (June 23, 2022): 646. http://dx.doi.org/10.3390/membranes12070646.

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Natural gas is an important and fast-growing energy resource in the world and its purification is important in order to reduce environmental hazards and to meet the required quality standards set down by notable pipeline transmission, as well as distribution companies. Therefore, membrane technology has received great attention as it is considered an attractive option for the purification of natural gas in order to remove impurities such as carbon dioxide (CO2) and hydrogen sulphide (H2S) to meet the usage and transportation requirements. It is also recognized as an appealing alternative to ot

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Drioli, Enrico. "Gas Separation Membranes: A Potential Dominant Technology." MEMBRANE 31, no. 2 (2006): 95–97. http://dx.doi.org/10.5360/membrane.31.95.

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Alterary, Seham S., Raya M. Alyabes, Ahmed A. Alshahrani, and Monirah A. Al-Alshaikh. "Unfunctionalized and Functionalized Multiwalled Carbon Nanotubes/Polyamide Nanocomposites as Selective-Layer Polysulfone Membranes." Polymers 14, no. 8 (April 11, 2022): 1544. http://dx.doi.org/10.3390/polym14081544.

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Nowadays, reverse osmosis is the most widely utilized strategy in membrane technology due to its continuous improvement. Recent studies have highlighted the importance of the surface characteristics of support layers in thin-film membranes to improve their reverse osmosis performance. In this study, interfacial polymerization was used to generate the membranes by employing polyamide as a selective layer on top of the polysulfone supporting sheet. Different membranes, varying in terms of the concentrations of unfunctionalized and functionalized multiwalled carbon nanotubes (MWCNTs), as well as

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Gili, Bischoff, Simon, Schmidt, Kober, Görke, Bekheet, and Gurlo. "Ceria-Based Dual-Phase Membranes for High-Temperature Carbon Dioxide Separation: Effect of Iron Doping and Pore Generation with MgO Template." Membranes 9, no. 9 (August 26, 2019): 108. http://dx.doi.org/10.3390/membranes9090108.

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Dual-phase membranes for high-temperature carbon dioxide separation have emerged as promising technology to mitigate anthropogenic greenhouse gases emissions, especially as a pre- and post-combustion separation technique in coal burning power plants. To implement these membranes industrially, the carbon dioxide permeability must be improved. In this study, Ce0.8Sm0.2O2−δ (SDC) and Ce0.8Sm0.19Fe0.01O2−δ (FSDC) ceramic powders were used to form the skeleton in dual-phase membranes. The use of MgO as an environmentally friendly pore generator allows control over the membrane porosity and microstr

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Kolev, Spas D. "Revisiting Membranes—An Open Access Membrane Science and Technology Journal." Membranes 14, no. 4 (April 19, 2024): 93. http://dx.doi.org/10.3390/membranes14040093.

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38

Djunaidi, Muhammad Cholid, Henita Saulia Utari, and Khabibi Khabibi. "Synthesis of Molecularly Imprinted Membrane Glucose for Selective Membrane Transport." Jurnal Kimia Sains dan Aplikasi 26, no. 5 (July 17, 2023): 178–86. http://dx.doi.org/10.14710/jksa.26.5.178-186.

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Molecularly Imprinted Membrane (MIM) was synthesized using polyeugenoxy acetic acid as the functional polymer, polyethylene glycol as the crosslinker agent, and polysulfone as a base membrane which was applied as a selective glucose membrane transport, and the immersion time expected to determine the transport capability of the membrane. This study aimed to determine the selectivity and transport properties of the MIM and NIM membranes. NIM was used as a control for MIM to research the selectivity test. In comparison, MIM has a template, while NIM is without a template. In this study, eugenol

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39

Wang, Kun, Feng Wang, Yu Hai Guo, Hong Yan Tang, and Hua Peng Zhang. "Regeneration of the Absorbent by the PTFE Hollow Fiber Membranes Using Vacuum Membrane Regeneration Technology." Key Engineering Materials 671 (November 2015): 300–305. http://dx.doi.org/10.4028/www.scientific.net/kem.671.300.

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The polytetrafluoroethylene (PTFE) hollow fiber membranes were prepared through a cold pressing method including paste extruding, stretching and sintering in this study. Membrane vacuum regeneration technology (MVR) was developed as a novel regeneration technology for regeneration of the absorbent. The membrane structures of the PTFE hollow fiber membranes were investigated. The mixture of N-methyldiethanolamine and piperazine was selected as the absorbent. The PTFE hollow fiber membranes were used for regeneration through vacuum membrane regeneration technology. The CO2 regeneration flux and

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40

Mueller, Uwe, Gerhard Biwer, and Guenther Baldauf. "Ceramic membranes for water treatment." Water Supply 10, no. 6 (December 1, 2010): 987–94. http://dx.doi.org/10.2166/ws.2010.536.

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Ceramic membranes, different in pore size and membrane material, were applied to remove particulate and dissolved matter from different spent filter backwash water types as well as from dam water. The study was conducted in pilot scale under conditions typical for waterworks at a dam water treatment plant. A comparison of different ceramic membranes implied that total membrane resistance was more influenced by feed water type and by operation than by membrane type for the waters tested. Nevertheless, ceramic membranes seem to accumulate during operation less organic foulants especially polysac

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Lv, Yue Xia, Gui Huan Yan, Chong Qing Xu, Min Xu, and Liang Sun. "Review on Membrane Technologies for Carbon Dioxide Capture from Power Plant Flue Gas." Advanced Materials Research 602-604 (December 2012): 1140–44. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1140.

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Abstract (sommario):

Membrane technology is a promising alternative to conventional technologies for the mitigation of CO2from power plant flue gas due to its engineering and economic advantages. In this paper, CO2post combustion capture by gas separation membranes and gas absorption membranes was extensively summarized and reviewed. In addition, advantages and disadvantages of the technology, current status and future research direction of membrane technology for CO2capture from power plant flue gas were briefly prospected and discussed.

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42

Khanzada, Noman Khalid, Raed A. Al-Juboori, Muzamil Khatri, Farah Ejaz Ahmed, Yazan Ibrahim, and Nidal Hilal. "Sustainability in Membrane Technology: Membrane Recycling and Fabrication Using Recycled Waste." Membranes 14, no. 2 (February 12, 2024): 52. http://dx.doi.org/10.3390/membranes14020052.

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Abstract (sommario):

Membrane technology has shown a promising role in combating water scarcity, a globally faced challenge. However, the disposal of end-of-life membrane modules is problematic as the current practices include incineration and landfills as their final fate. In addition, the increase in population and lifestyle advancement have significantly enhanced waste generation, thus overwhelming landfills and exacerbating environmental repercussions and resource scarcity. These practices are neither economically nor environmentally sustainable. Recycling membranes and utilizing recycled material for their ma

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43

Akhmadiev, G. M. "Additive technology for filter membranes." IOP Conference Series: Materials Science and Engineering 570 (August 15, 2019): 012003. http://dx.doi.org/10.1088/1757-899x/570/1/012003.

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44

Chuanwen, Sun, Wang Haiqiao, Yu Qi, Chen Shiqiang, Li Xun, and Wu Hanyang. "Experimental study of the flux Law of flat ceramic membranes under different pressures." Water Practice and Technology 15, no. 2 (April 10, 2020): 416–25. http://dx.doi.org/10.2166/wpt.2020.028.

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Abstract (sommario):

Abstract The flux performance of ceramic membranes is the basis for their efficient use. To study ceramic membrane flux variation, different filtration operating conditions were tested and the functional relationship between the membrane's clean water flux and the operating pressure within a given range obtained. The membrane's critical pressure and flux were determined by using pressure increments, and the flux variation law under different pressures determined experimentally. Analysis of the flux law and the membrane parameters enabled establishment of the flux model of filtration process an

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45

Hélix-Nielsen, Claus. "Biomimetic Membranes as a Technology Platform: Challenges and Opportunities." Membranes 8, no. 3 (July 17, 2018): 44. http://dx.doi.org/10.3390/membranes8030044.

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Abstract (sommario):

Biomimetic membranes are attracting increased attention due to the huge potential of using biological functional components and processes as an inspirational basis for technology development. Indeed, this has led to several new membrane designs and applications. However, there are still a number of issues which need attention. Here, I will discuss three examples of biomimetic membrane developments within the areas of water treatment, energy conversion, and biomedicine with a focus on challenges and applicability. While the water treatment area has witnessed some progress in developing biomimet

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46

Wang, Ling, Xue Feng Xiong, Zheng Fan, Guo Liang Zhang, and Zhi Yang Wang. "Advanced Treatment of Electroplating Wastewater by Nanofiltration Membrane Technology." Applied Mechanics and Materials 378 (August 2013): 318–21. http://dx.doi.org/10.4028/www.scientific.net/amm.378.318.

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Abstract (sommario):

The nanofiltration (NF) membrane technology presented in this paper were used to treat the industrial electroplating effluent for reutilization, which contained hazardous heavy metal ions such as chromium and zinc. Two different kinds of nanofiltration membranes were applied in pilot scale installation following the conventional wastewater treatment system. The effects of different operating parameters on their separation performance were investigated in detail. Results showed that both two NF membranes held large permeate flux under relatively low operating pressures. The rejection rates of t

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47

Nada, Hironori, Masakazu Kudo, Junichi Takahashi, Toshiharu Yamamoto, Hideyuki Hara, and Kazuyuki Shizawa. "Development of Simulation Technology for Production of Porous Polymeric Membranes." Key Engineering Materials 725 (December 2016): 261–66. http://dx.doi.org/10.4028/www.scientific.net/kem.725.261.

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Abstract (sommario):

Porous polymeric membranes are used for ion exchange membranes, membrane filter and separators of batteries owing to its micro-porous structure. Extension method is one of the inexpensive processes of such membrane. However, any suitable stability condition of the process has not yet been clarified. In this study, SEM (Scanning Electron Microscope) observations in production process are carried out and the simulation technology for production is developed for improvement in productivity. In this simulation model, the evolution equation of microscopic damage, constitutive equation depending on

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48

Świerczek, Konrad, Hailei Zhao, Zijia Zhang, and Zhihong Du. "MIEC-type ceramic membranes for the oxygen separation technology." E3S Web of Conferences 108 (2019): 01021. http://dx.doi.org/10.1051/e3sconf/201910801021.

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Abstract (sommario):

Mixed ionic-electronic conducting ceramic membrane-based oxygen separation technology attracts great attention as a promising alternative for oxygen production. The oxygen-transport membranes should not only exhibit a high oxygen flux but also show good stability under CO2-containing atmospheres. Therefore, designing and optimization, as well as practical application of membrane materials with good CO2 stability is a challenge. In this work, apart from discussion of literature data, authors’ own results are provided, which are focused on materia - related issues, including development of elect

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49

Kartohardjono, Sutrasno, Ghofira Muna Khansa Salsabila, Azzahra Ramadhani, Irfan Purnawan, and Woei Jye Lau. "Preparation of PVDF-PVP Composite Membranes for Oily Wastewater Treatment." Membranes 13, no. 6 (June 20, 2023): 611. http://dx.doi.org/10.3390/membranes13060611.

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Abstract (sommario):

The oil and gas industry and related applications generate large quantities of oily wastewater, which can adversely affect the environment and human health if not properly handled. This study aims to prepare polyvinylidene fluoride (PVDF) membranes incorporated with polyvinylpyrrolidone (PVP) additives and utilize them to treat oily wastewater through the ultrafiltration (UF) process. Flat sheet membranes were prepared using PVDF dissolved in N,N-dimethylacetamide, followed by the addition of PVP ranging from 0.5 to 35 g. Characterization by scanning electron microscopy (SEM), water contact an

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50

Yaghoubi, Sina, Aziz Babapoor, Seyyed Mojtaba Mousavi, Seyyed Alireza Hashemi, Ahmad Gholami, Chin Wei Lai, and Wei-Hung Chiang. "Recent Advances in Plasmonic Chemically Modified Bioactive Membrane Applications for the Removal of Water Pollution." Water 14, no. 22 (November 10, 2022): 3616. http://dx.doi.org/10.3390/w14223616.

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Abstract (sommario):

Population growth has reduced the available freshwater resources and increased water pollution, leading to a severe global freshwater crisis. The decontamination and reuse of wastewater is often proposed as a solution for water scarcity worldwide. Membrane technology is a promising solution to the problems currently facing the water and wastewater treatment industry. However, another problem is the high energy costs required to operate systems which use membranes for water treatment. In addition, membranes need to be replaced frequently due to fouling and biofouling, which negatively affect wa

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