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Artykuły w czasopismach na temat „Membrane filtration”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Liu, Yunxia, Honghai Liu, and Zhongrong Shen. "Nanocellulose Based Filtration Membrane in Industrial Waste Water Treatment: A Review." Materials 14, no. 18 (2021): 5398. http://dx.doi.org/10.3390/ma14185398.

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In the field of industrial wastewater treatment, membrane separation technology, as an emerging separation technology, compared with traditional separation technology such as precipitation, adsorption, and ion exchange, has advantages in separation efficiency, low energy consumption, low cost, simple operation, and no secondary pollution. The application has been expanding in recent years, but membrane fouling and other problems have seriously restricted the development of membrane technology. Natural cellulose is one of the most abundant resources in nature. In addition, nanocellulose has cha

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Mulinari, Jéssica, Diane Rigo, Carolina Elisa Demaman Oro, et al. "Multienzyme Immobilization on PVDF Membrane via One-Step Mussel-Inspired Method: Enhancing Fouling Resistance and Self-Cleaning Efficiency." Membranes 14, no. 10 (2024): 208. http://dx.doi.org/10.3390/membranes14100208.

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Immobilizing different enzymes on membranes can result in biocatalytic active membranes with a self-cleaning capacity toward a complex mixture of foulants. The membrane modification can reduce fouling and enhance filtration performance. Protease, lipase, and amylase were immobilized on poly(vinylidene fluoride) (PVDF) microfiltration membranes using a polydopamine coating in a one-step method. The concentrations of polydopamine precursor and enzymes were optimized during the immobilization. The higher hydrolytic activities were obtained using 0.2 mg/mL of dopamine hydrochloride and 4 mg/mL of

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Szwast, Maciej, and Teresa Suchecka. "Membranes: Improving batch membrane filtration." Filtration + Separation 50, no. 2 (2013): 38–41. http://dx.doi.org/10.1016/s0015-1882(13)70080-6.

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Sutherland, Ken. "Membrane filtration: What's new in membrane filtration?" Filtration & Separation 46, no. 5 (2009): 32–35. http://dx.doi.org/10.1016/s0015-1882(09)70193-4.

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Dixit, Mandar. "Membranes and filtration: Membrane filtration in the biopharm industry." Filtration & Separation 45, no. 8 (2008): 18–21. http://dx.doi.org/10.1016/s0015-1882(08)70294-5.

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Klyuchnikov, A. I., D. A. Kazartsev, S. V. Zhukovskaya, M. V. Babayeva, and D. V. Klyuchnikova. "ADAPTATION OF THE MICROFILTRATION PROCESS TO THE TECHNOLOGICAL PROCESSES OF BEER FILTERING." Agro-Industrial Technologies of Central Russia 4, no. 30 (2023): 20–30. http://dx.doi.org/10.24888/2541-7835-2023-30-20-30.

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This article discusses the prospects for the process of membrane filtration of beer with a dead-end and flow-through organization scheme in order to increase the colloidal and biological stability of the drink. The main advantages and disadvantages of organizing the process of membrane filtration of beer using a dead-end and flow-through scheme are presented, machine and hardware diagrams of filtration processes based on mem-brane cartridges that implement the mechanism of dead-end microfiltration and tubular ceramic membranes that implement a flow-through scheme of product separation are give

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Scott, K., A. J. Mahmood, R. J. Jachuck, and B. Hu. "Intensified membrane filtration with corrugated membranes." Journal of Membrane Science 173, no. 1 (2000): 1–16. http://dx.doi.org/10.1016/s0376-7388(00)00327-6.

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Manzoor, Saher, Faheem Qasim, Muhammad Waseem Ashraf, et al. "Simulation and Analysis of Anodized Aluminum Oxide Membrane Degradation." Sensors 23, no. 24 (2023): 9792. http://dx.doi.org/10.3390/s23249792.

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Microelectromechanical systems (MEMS)-based filter with microchannels enables the removal of various microorganisms, including viruses and bacteria, from fluids. Membranes with porous channels can be used as filtration interfaces in MEMS hemofilters or mini-dialyzers. The main problems associated with the filtration process are optimization of membrane geometry and fouling. A nanoporous aluminum oxide membrane was fabricated using an optimized two-step anodization process. Computational strength modeling and analysis of the membrane with specified parameters were performed using the ANSYS stru

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Leiviskä, T., and J. Rämö. "Investigation of multimodal zeta potential and size distribution in chemical pulp process water." Water Science and Technology 56, no. 11 (2007): 123–29. http://dx.doi.org/10.2166/wst.2007.770.

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Multimodal zeta potential distribution in chemical birch pulp process water was studied by filtrating the water into fractions and subsequently measuring zeta potential, charge quantity, turbidity and organic substances. Filtrations were made using 12 μm, 1.6 μm, 1.2 μm, 0.45 μm and 0.1 μm membranes. The number of populations with different zeta potentials diminished with filtration. With the unfiltrated water, 12 μm and 1.6 μm filtrates, three or four different zeta potentials were observed. When the filtration was performed with a 1.2 μm membrane or smaller, only two populations of different

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Razi, Fachrul, Sri Mulyati, and Nasrul Arahman. "The performance of bovine serum albumin filtration by using polyethersulfone-Tetronic 304 blend Ultrafiltration Membrane." F1000Research 8 (June 24, 2019): 953. http://dx.doi.org/10.12688/f1000research.18740.1.

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Background: Membrane technology has been widely applied for protein purification. In applications for protein separation, a membrane with stable filtration performance is necessary. In this work, two types of hollow fiber membranes with different characteristic were used to study the filtration profile of bovine serum albumin. Methods: A single piece of hollow fiber module was used for ultrafiltration testing using UF0 and UFT304 membranes. Flux and rejection of BSA solution were collected based on a pressure-driven inside filtration model. Results: Ultrafiltration experiments showed that the

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Razi, Fachrul, Sri Mulyati, and Nasrul Arahman. "The performance of bovine serum albumin filtration by using polyethersulfone-Tetronic 304 blend Ultrafiltration Membrane." F1000Research 8 (November 7, 2019): 953. http://dx.doi.org/10.12688/f1000research.18740.2.

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Background: Membrane technology has been widely applied for protein purification. In applications for protein separation, a membrane with stable filtration performance is necessary. In this work, two types of hollow fiber membranes with different characteristic were used to study the filtration profile of bovine serum albumin. Methods: A single piece of hollow fiber module was used for ultrafiltration testing using UF0 and UFT304 membranes. Flux and rejection of BSA solution were collected based on a pressure-driven inside filtration model. Results: Ultrafiltration experiments showed that the

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12

Berg, T., R. Ipsen, Niels Ottosen, A. Tolkach, and F. van den Berg. "Influence of Reduced Cleaning-In-Place on Aged Membranes during Ultrafiltration of Whey." International Journal of Food Engineering 11, no. 4 (2015): 447–55. http://dx.doi.org/10.1515/ijfe-2014-0240.

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Abstract Optimization of cleaning-in-place (CIP) procedures using bench-scale equipment is severely restricted by the short testing times (typically 1–3 days) compared with the normal lifespans of industrial membrane materials (years). In our research, industrially used polyethersulfone membrane material (“aged membrane”) was migrated to a lab-scale filtration apparatus. Performance (flux) of aged membranes was found to be 10% lower compared to new membranes of the same specification. For each set of membranes, performance was on the same level during multiple filtrations with intermediate CIP

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Divya, Sivasubramani, and Tae Hwan Oh. "Polymer Nanocomposite Membrane for Wastewater Treatment: A Critical Review." Polymers 14, no. 9 (2022): 1732. http://dx.doi.org/10.3390/polym14091732.

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With regard to global concerns, such as water scarcity and aquatic pollution from industries and domestic activities, membrane-based filtration for wastewater treatment has shown promising results in terms of water purification. Filtration by polymeric membranes is highly efficient in separating contaminants; however, such membranes have limited applications. Nanocomposite membranes, which are formed by adding nanofillers to polymeric membrane matrices, can enhance the filtration process. Considerable attention has been given to nanofillers, which include carbon-based nanoparticles and metal/m

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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 (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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15

Surya, I., A. M. Sembiring, K. S. Nasution, and N. Hayeemasae. "The porosity and morphology properties of ceramic membrane." Journal of Physics: Conference Series 2733, no. 1 (2024): 012014. http://dx.doi.org/10.1088/1742-6596/2733/1/012014.

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Abstract The success of ceramic membranes as solute separation and filtration makes membrane technology widely used because it has high effectiveness and efficiency as a solute separator and filtration. The solute separation and filtration performances of typical ceramic membranes depend on the porosity properties of the ceramic membrane itself. Membrane porosity indicates the number of porous areas in the membrane. Precipitated silica as filler was added into the ceramic membrane at 0.30 %, 1.01 %, 1.68 %, 2.34 %, and 2.99 % per hundred masses of the membrane. It was revealed that silica acti

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16

Hwang, Kuo-Jen, and Su-En Wu. "Membrane Filtration of Soft Colloids." MEMBRANE 39, no. 1 (2014): 35–40. http://dx.doi.org/10.5360/membrane.39.35.

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Remmena, Kirsten, and Joachim Koeserb. "Membrane Filtration: Expanding the Areas of Application by Chemical Modification – Examples from the FHNW." CHIMIA International Journal for Chemistry 74, no. 5 (2020): 423–25. http://dx.doi.org/10.2533/chimia.2020.423.

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Membrane filtration applications are omnipresent in production processes of the food and beverage industry, in pharmaceutical production and the petrochemical industry but also in water purification for drinking water production and wastewater treatment. The main separation principle in membrane filtration is based on size exclusion which is dependent on the pore size of the membrane. Current developments based on chemical modification of these membranes have the goal to confer an additional chemical selectivity to membranes in order to broaden their areas of application. Here we present two e

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Urase, Taro, Kazuo Yamamoto та Shinichiro Ohgaki. "Evaluation of Virus Removal in Membrane Separation Processes Using Coliphage Qβ". Water Science and Technology 28, № 7 (1993): 9–15. http://dx.doi.org/10.2166/wst.1993.0136.

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Virus removal in membrane separation processes was investigated by employing coliphage Qβ as a tracer. Several types of microfiltration membrane and ultrafiltration membrane were tested. Two types of filtration experiments were carried out; dead-end filtration and cross-flow filtration. The membrane surface deposits played an important role in the rejection of viruses in the filtration of activated sludge and pond-water, whereas acrylate polymer cake did not affect the rejection of Qβ. The leakage of ultrafiltration membranes was well examined by the high concentration of Qβ applied. The major

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Shields, Christopher. "Submicron Filtration Media." International Nonwovens Journal os-14, no. 3 (2005): 1558925005os—14. http://dx.doi.org/10.1177/1558925005os-1400305.

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Biopharmaceutical processes, membrane pretreatment, water purification and food and beverage applications all require fine filtration. There are many different types of filter media that can be used for these applications. The types of media vary by materials of construction, processing method and performance characteristics. Each process produces a media with unique properties that have advantages in different applications. These industries have traditionally relied on membranes for their submicron filtration needs. Nonwoven media have not been successful in finer filtration applications due

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Wang, Han, Yiliang Bao, Xiuding Yang, et al. "Study on Filtration Performance of PVDF/PUL Composite Air Filtration Membrane Based on Far-Field Electrospinning." Polymers 14, no. 16 (2022): 3294. http://dx.doi.org/10.3390/polym14163294.

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At present, the situation of air pollution is still serious, and research on air filtration is still crucial. For the nanofiber air filtration membrane, the diameter, porosity, tensile strength, and hydrophilicity of the nanofiber will affect the filtration performance and stability. In this paper, based on the far-field electrospinning process and the performance effect mechanism of the stacked structure fiber membrane, nanofiber membrane was prepared by selecting the environmental protection, degradable and pollution-free natural polysaccharide biopolymer pullulan, and polyvinylidene fluorid

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Kerkulah, Emmanuel N., Guixuan Jin, Jinlei Huang, et al. "A Mini Review on Treatment of Wastewater with Membrane Technology." Journal of Basic & Applied Sciences 19 (June 6, 2023): 86–96. http://dx.doi.org/10.29169/1927-5129.2023.19.08.

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Wastewater treatment is a continuous environmental problem, which troubles human activities. Numerous efforts have been made over the years to develop newly efficient technologies, including traditional filtration, coagulation-flocculation, and biological treatment systems. Among which, membrane technology is proven to be a significant one. Membranes technology is divided into four categories based on pore size. The four types of membrane technology including micro-filtration, ultra-filtration, nano-filtration, and reverse osmosis. This paper focus on the introduction, advantages, disadvantage

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Mohd Khairuddin, Nur Farahah, Ani Idris, and Muhammad Irfan. "Towards Efficient Membrane Filtration for Microalgae Harvesting: A Review." Jurnal Kejuruteraan si2, no. 1 (2019): 103–12. http://dx.doi.org/10.17576/jkukm-2019-si2(1)-13.

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Microalgae contain pigments such as chlorophyll and ß-carotene that are found to be useful as ingredients in human foods. Downstream processing is the key step to obtain the pigments but before that, harvesting process is required. The purpose of harvesting is to separate the microalgae cells from its culture media. There are many harvesting methods including membrane filtration. Besides simple in operation, membrane filtration technology involves no chemicals, no phase changes and offers complete solid retention. However, high flux requirement and reducing operating and maintenance cost of me

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Sisay, Elias Jigar, Szabolcs Kertész, Ákos Fazekas, et al. "Application of BiVO4/TiO2/CNT Composite Photocatalysts for Membrane Fouling Control and Photocatalytic Membrane Regeneration during Dairy Wastewater Treatment." Catalysts 13, no. 2 (2023): 315. http://dx.doi.org/10.3390/catal13020315.

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This study aimed to investigate the performance of composite photocatalytic membranes fabricated by incorporating multiple nanoparticles (TiO2, carbon nanotubes, BiVO4) into polyvinylidene fluoride membrane material for real dairy wastewater treatment. The composite photocatalytic membranes exhibited superior antifouling behavior, lower filtration resistance, better flux, and higher flux recovery ratio than the pristine membrane. Salinity, pH, and lactose concentration are determinant factors that affect filtration resistance and rejection performance during the ultrafiltration of dairy wastew

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Barambu, Nafiu Umar, Muhammad Roil Bilad, Norazanita Shamsuddin, Shafirah Samsuri, Nik Abdul Hadi Md Nordin, and Nasrul Arahman. "The Combined Effects of the Membrane and Flow Channel Development on the Performance and Energy Footprint of Oil/Water Emulsion Filtration." Membranes 12, no. 11 (2022): 1153. http://dx.doi.org/10.3390/membranes12111153.

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Membrane filtration is a promising technology for oil/water emulsion filtration due to its excellent removal efficiency of microdroplets of oil in water. However, its performance is highly limited due to the fouling-prone nature of oil droplets on hydrophobic membranes. Membrane filtration typically suffers from a low flux and high pumping energy. This study reports a combined approach to tackling the membrane fouling challenge in oil/water emulsion filtration via a membrane and a flow channel development. Two polysulfone (PSF)-based lab-made membranes, namely PSF- PSF-Nonsolvent induced phase

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Parekh, Shalv, Rebecca David, Kranthi Bannuru, Lakshminarasimhan Krishnaswamy, and Avinash Baji. "Electrospun Silver Coated Polyacrylonitrile Membranes for Water Filtration Applications." Membranes 8, no. 3 (2018): 59. http://dx.doi.org/10.3390/membranes8030059.

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The scarcity of drinking water and the contamination of water sources in underdeveloped countries are serious problems that require immediate low-tech and low-cost solutions. In this study, we fabricated polyacrylonitrile (PAN) porous membranes coated with silver nanoparticles (AgNP) and demonstrated their use for water filtration and water treatment applications. The membranes were prepared by electrospinning a PAN solution and treating in a hydroxylamine (NH2OH) aqueous solution to form –C(NH2)N–OH groups that were used for functionalization (Ag+ ions) of the membrane. The coordinated silver

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Zhou, Gang, Rulin Liu, Qingfeng Xu, Kaili Wang, Yongmei Wang, and Seeram Ramakrishna. "Dual-Structure PVDF/SDS Nanofibrous Membranes for Highly Efficient Personal Protection in Mines." Membranes 12, no. 5 (2022): 482. http://dx.doi.org/10.3390/membranes12050482.

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Pneumoconiosis in miners is considered a global problem. Improving the performance of individual protective materials can effectively reduce the incidence of pneumoconiosis. In this study, the blend membrane of sodium dodecyl sulfate and polyvinylidene fluoride with a dual structure was prepared using electrospinning techniques, and the morphological structure, fiber diameter, and filtration performance of the nanofiber membranes were optimized by adjusting the PVDF concentration and SDS content. The results show that the incorporation of SDS enabled the nanofiber membranes to show tree-like a

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As'adah, Anis, and Munasir MUNASIR. "REVIEW : PERFORMA MEMBRAN KOMPOSIT MENGGUNAKAN ALIRAN DEAD-END FILTRATION." Inovasi Fisika Indonesia 12, no. 2 (2023): 92–102. http://dx.doi.org/10.26740/ifi.v12n2.p92-102.

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Teknologi berbasis membran merupakan salah satu teknologi pengolahan air yang paling banyak diminati saat ini karena memiliki beberapa manfaat seperti konsumsi energi yang begitu relatif rendah dan operasi yang sederhana. Membran Graphene Oxide (GO) termasuk membran yang banyak diminati karena memiliki porositas GO yang tinggi serta ukuran pori nano yang baik. Sehingga dilakukan review artikel tentang performa membran komposit menggunakan aliran dead-end filtration. Bahan-bahan lain yang dapat dikompositkan dengan membran GO seperti Ti3C2Tx, Ni, Isophorone Diisocyanate (IPDI), TiO2, Ag, PAM, A

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Boyraz, Evren, and Fatma Yalcinkaya. "Hydrophilic Surface-Modified PAN Nanofibrous Membranes for Efficient Oil–Water Emulsion Separation." Polymers 13, no. 2 (2021): 197. http://dx.doi.org/10.3390/polym13020197.

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In order to protect the environment, it is important that oily industrial wastewater is degreased before discharging. Membrane filtration is generally preferred for separation of oily wastewater as it does not require any specialised chemical knowledge, and also for its ease of processing, energy efficiency and low maintenance costs. In the present work, hybrid polyacrylonitrile (PAN) nanofibrous membranes were developed for oily wastewater filtration. Membrane surface modification changed nitrile groups on the surface into carboxylic groups, which improve membrane wettability. Subsequently, T

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Boyraz, Evren, and Fatma Yalcinkaya. "Hydrophilic Surface-Modified PAN Nanofibrous Membranes for Efficient Oil–Water Emulsion Separation." Polymers 13, no. 2 (2021): 197. http://dx.doi.org/10.3390/polym13020197.

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In order to protect the environment, it is important that oily industrial wastewater is degreased before discharging. Membrane filtration is generally preferred for separation of oily wastewater as it does not require any specialised chemical knowledge, and also for its ease of processing, energy efficiency and low maintenance costs. In the present work, hybrid polyacrylonitrile (PAN) nanofibrous membranes were developed for oily wastewater filtration. Membrane surface modification changed nitrile groups on the surface into carboxylic groups, which improve membrane wettability. Subsequently, T

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Azam, Reem S., Dema A. Almasri, Radwan Alfahel, et al. "MXene (Ti3C2Tx)/Cellulose Acetate Mixed-Matrix Membrane Enhances Fouling Resistance and Rejection in the Crossflow Filtration Process." Membranes 12, no. 4 (2022): 406. http://dx.doi.org/10.3390/membranes12040406.

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Obstacles in the membrane-based separation field are mainly related to membrane fouling. This study involved the synthesis and utilization of covalently crosslinked MXene/cellulose acetate mixed matrix membranes with MXene at different concentrations (CCAM-0% to CCAM-12%) for water purification applications. The membranes’ water flux, dye, and protein rejection performances were compared using dead-end (DE) and crossflow (CF) filtration. The fabricated membranes, especially CCAM-10%, exhibited high hydrophilicity, good surface roughness, significantly high water flux, high water uptake, and hi

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Sosiati, Harini, Izon Suhandra, Muhammad Ramadhan, F. A. Kusuma Yuda, Yusmaniar, and Yofentina Iriani. "Chitosan/PVA Nanofibrous Membranes as Air Filter Material." Materials Science Forum 1073 (October 31, 2022): 133–41. http://dx.doi.org/10.4028/p-qn70v1.

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Nanofiber membranes made of polymer materials are being extensively investigated and developed as air filter materials. This research aims to make and characterize the nanofiber membranes as filter materials capable of filtering gaseous pollutants from cigarette smoke. The electrospinning method manufactured the chitosan (CS)/PVA blend nanofiber membranes with CS/PVA ratios of (0/100, 20/80, 30/70, and 40/60 w/w) using low molecular weight (LMw) PVA and the ratios of (0/100, 10/90, 20/80, and 30/70 w/w) with high Mw (HMw) PVA. The CS concentration increased the CS-PVA solution‘s electrical con

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Qasim, Faheem, Muhammad Waseem Ashraf, Shahzadi Tayyaba, Muhammad Imran Tariq, and Agustín L. Herrera-May. "Simulation, Fabrication and Microfiltration Using Dual Anodic Aluminum Oxide Membrane." Membranes 13, no. 10 (2023): 825. http://dx.doi.org/10.3390/membranes13100825.

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Microfluidic devices have gained subsequent attention due to their controlled manipulation of fluid for various biomedical applications. These devices can be used to study the behavior of fluid under several micrometer ranges within the channel. The major applications are the filtration of fluid, blood filtration and bio-medical analysis. For the filtration of water, as well as other liquids, the micro-filtration based microfluidic devices are considered as potential candidates to fulfill the desired conditions and requirements. The micro pore membrane can be designed and fabricated in such a

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Saha, S. N. "Membrane Separations." Current Research in Agriculture and Farming 3, no. 6 (2022): 19–33. http://dx.doi.org/10.18782/2582-7146.180.

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Membrane technology is widely utilised in industries for separation, concentration, filtering, and extraction operations. Membrane technology carries out various applications by utilising simple and specially designed semi-permeable membranes. It uses little energy and is thus considered a green technology. Ultrafiltration (UF), Microfiltration (MF), Nano-filtration (NF), and Reverse osmosis (RO) are membrane filtration methods that have a major influence on the organoleptic and nutritional qualities of juice. The adoption of a membrane method linked with enzymatic hydrolysis resulted in clari

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Zhang, Chaoying, Rongfang Yuan, Huilun Chen, Beihai Zhou, Zexin Cui, and Boyun Zhu. "Advancements in Inorganic Membrane Filtration Coupled with Advanced Oxidation Processes for Wastewater Treatment." Molecules 29, no. 17 (2024): 4267. http://dx.doi.org/10.3390/molecules29174267.

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Membrane filtration is an effective water recycling and purification technology to remove various pollutants in water. Inorganic membrane filtration (IMF) technology has received widespread attention because of its unique high temperature and corrosion resistance. Commonly used inorganic membranes include ceramic membranes and carbon-based membranes. As novel catalytic inorganic membrane processes, IMF coupled with advanced oxidation processes (AOPs), can realize the separation and in situ degradation of pollutants, thus mitigating membrane contamination. In this paper, the types and performan

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Laabs, C., G. Amy, and M. Jekel. "Organic colloids and their influence on low-pressure membrane filtration." Water Science and Technology 50, no. 12 (2004): 311–16. http://dx.doi.org/10.2166/wst.2004.0728.

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Wastewater treatment by low-pressure membrane filtration (MF and UF) is affected to a large extent by macromolecules and colloids. In order to investigate the influence of organic colloids on the membrane filtration process, colloids were isolated from a wastewater treatment plant effluent using a rotaryevaporation pre-concentration step followed by dialysis. Stirred cell tests were carried out using redissolved colloids, with and without additional glass fiber filtration. After constant pressure membrane filtration of 190 L/m2, the initial flux had declined by 50% for colloids &gt; 6-8 kD

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Liu, Jianxin, Tingshuo Kang, Hualong Yu, Xiang Li, Xiaolei Zhang, and Xiaoqing Deng. "Study on the mechanical properties of micropore organic polymer membranes." Journal of Physics: Conference Series 2826, no. 1 (2024): 012014. http://dx.doi.org/10.1088/1742-6596/2826/1/012014.

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Abstract Micropore organic polymer membranes are indispensable for membrane filtration with well-established selectivity and permeability. Pressure-driven conditions in harsh acidic or alkaline environments can influence the mechanical properties of these materials. Diminished mechanical properties may include a shortened membrane lifespan, reduced filtration effectiveness, and increased filtration cost. Understanding of the intricate mechanisms influencing the mechanical properties of organic polymer membranes remains incomplete. In this study, a comprehensive investigation was carried out to

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Sanaei, P., and L. J. Cummings. "Flow and fouling in membrane filters: effects of membrane morphology." Journal of Fluid Mechanics 818 (April 6, 2017): 744–71. http://dx.doi.org/10.1017/jfm.2017.102.

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Membrane filters are used extensively in microfiltration applications. The type of membrane used can vary widely depending on the particular application, but broadly speaking the requirements are to achieve fine control of separation, with low power consumption. The solution to this challenge might seem obvious: select the membrane with the largest pore size and void fraction consistent with the separation requirements. However, membrane fouling (an inevitable consequence of successful filtration) is a complicated process, which depends on many parameters other than membrane-pore size and void

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Thompson, M. A. "Membrane filtration of high turbidity sources." Water Supply 1, no. 5-6 (2001): 325–30. http://dx.doi.org/10.2166/ws.2001.0129.

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Membrane filtration processes have become widely used for low turbidity water sources that require particle removal and disinfection. In cases where the feed water contains high turbidity levels or high fouling tendencies, pre-treatment has been required to allow the membranes to operate efficiently. Submersion membranes have allowed direct treatment on many of these water supplies but operate under vacuum. This presents limitations on operating flux and design conditions for incorporating into existing facilities. The treatment unit designs are also very expensive to implement for small water

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Choiriyah, Dyah, Esfi Riandini, and Arinta Wulandari. "PREPARATION MICRO-FILTRATION CERAMIC MEMBRANE FROM NATURAL ZEOLITE FOR PROCION RED MX8B AND METHYLENE BLUE FILTRATION." ALCHEMY Jurnal Penelitian Kimia 11, no. 1 (2016): 8. http://dx.doi.org/10.20961/alchemy.11.1.100.8-14.

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<p>The study of ceramic membrane fabrication from natural zeolite and its utilization for filtration of <em>procion red MX8B</em> and methylene blue has been investigated. The purposes of this study are to determine the effect of pressure on membrane permeability and selectivity and utilize natural zeolite as ceramic membranes <em>procion red MX8B</em> and methylene blue filtration. The membrane was prepared by metide press pellets and then calcined at 850 <sup>o</sup>C. The membranes were characterized by mechanical test, flux and rejection of dye. Th

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Choiriyah, Dyah, Esfi Riandini, and Arinta Wulandari. "PREPARATION MICRO-FILTRATION CERAMIC MEMBRANE FROM NATURAL ZEOLITE FOR PROCION RED MX8B AND METHYLENE BLUE FILTRATION." ALCHEMY Jurnal Penelitian Kimia 11, no. 1 (2015): 8. http://dx.doi.org/10.20961/alchemy.v11i1.100.

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<p>The study of ceramic membrane fabrication from natural zeolite and its utilization for filtration of <em>procion red MX8B</em> and methylene blue has been investigated. The purposes of this study are to determine the effect of pressure on membrane permeability and selectivity and utilize natural zeolite as ceramic membranes <em>procion red MX8B</em> and methylene blue filtration. The membrane was prepared by metide press pellets and then calcined at 850 <sup>o</sup>C. The membranes were characterized by mechanical test, flux and rejection of dye. Th

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Sawada, Shigeki. "Membrane filtration in water treatment plants." membrane 26, no. 5 (2001): 199–206. http://dx.doi.org/10.5360/membrane.26.199.

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Ma, Niping, Ke Xu, Jianhua Guo, Ning Wei, and Junxia Yan. "Graphene Oxide Membranes for Ionic/Molecular Filtration: From Self-Assembly to Design." Processes 11, no. 5 (2023): 1520. http://dx.doi.org/10.3390/pr11051520.

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The graphene oxide (GO) membrane holds great promise in desalination and green energy fields due to its naturally occurring nanochannels, which provide significant advantages in gas and ion filtration. In this study, the sizes and distributions of nanopore/channels in GO membranes and the relationship of GO flakes size and membrane thickness are explored by molecular dynamics simulations. Our results demonstrate that the size of GO flakes influences the distribution of nanopore sizes in GO membranes, while it almost has no influence on the total nanopore area in membranes with the same thickne

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Kook, Heejin, and Chanhyuk Park. "Engineered Approaches to Facile Identification of Tiny Microplastics in Polymeric and Ceramic Membrane Filtrations for Wastewater Treatment." Membranes 12, no. 6 (2022): 565. http://dx.doi.org/10.3390/membranes12060565.

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Wastewater treatment plants (WWTPs) contribute to the release of significant quantities of microplastics into the aquatic environment. The facile identification of microplastics and an understanding of their occurrence and transport through WWTPs are essential for improving microplastic retention. Potential microplastic treatment technologies for both polymeric and ceramic membrane filtrations were systematically investigated to inform decisions on the optimal choice of membrane for effective microplastic retention. A blocking filtration model, based on a simple linear regression fitting, was

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Wang, Han, Zuo Yi Yang, Jin Yong Liu, Gao Feng Zheng, and Ling Min Chen. "Explore on Pressure-Drop Performance of Nanofibrous Filtration Membrane." Advanced Materials Research 236-238 (May 2011): 1885–88. http://dx.doi.org/10.4028/www.scientific.net/amr.236-238.1885.

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High filtration efficiency of nanofibrous membrane has been proved in air filtration area, but, in addition to filtration efficiency, pressure drop is another important characteristic of fibrous filter. Because pressure-drop is related to energy wastage of filtration, it’s necessary to study. While there are not enough studies dedicated to pressure-drop of nanofibrous membrane filters. Here, different thickness PVA nanofibrous membranes were made by electrospinning, and they deposited on cotton scaffolds to form nanofibrous filter samples. Through testing these samples, we found as thickness o

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Tian, Enling, Yinping Bi, and Yiwei Ren. "Electrospun Graphene Oxide/Poly(m-phenylene isophthalamide) Composite Nanofiber Membranes for High Performance." Membranes 15, no. 5 (2025): 145. https://doi.org/10.3390/membranes15050145.

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Due to its distinctive two-dimensional structure and high specific surface area, graphene oxide (GO) is expected to be a very promising material to be used for membrane separation. Not only can it improve the mechanical strength, surface wettability, and thermal stability of the membrane, but it can also improve the filtration performance and shelf life of the polymer membrane. Graphene oxide/poly(meta-phenylene isophthalamide) (GO/PMIA) nanofiber membranes were prepared by means of an electrospinning technique. The effects of adding different amounts of GO on the PMIA nanofiber membranes were

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Yin, Hao. "Force Balance of Particles in Water During Ultrafiltration Membrane Process." Journal of Physics: Conference Series 2174, no. 1 (2022): 012026. http://dx.doi.org/10.1088/1742-6596/2174/1/012026.

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Abstract Membrane filtration is vital in our daily lives to extract fresh water from contaminated water. However, membrane filtration is suffering from fouling, which is induced by accumulations of particles on membrane surface. Due to the hydraulic field and electrical field (from functional groups of membranes) near membrane surface, particle will be exerted by different forces. The intermolecular forces such as the Lateral lift force, Brownian force, shear-induced force, Van Der Waal force and electrostatic repulsion force may affect the fouling process, and the water flux inside the system

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Makisha, Nikolay A. "Research of performance characteristics of membrane modules for wastewater treatment." Stroitel stvo nauka i obrazovanie [Construction Science and Education], no. 1 (March 31, 2020): 6. http://dx.doi.org/10.22227/2305-5502.2020.1.6.

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Introduction. The study focuses on the operation of a standalone membrane bioreactor applicable as an alternative to submerged membrane modules widely used as part of small capacity wastewater treatment facilities. Materials and methods. An ultra-filtration membrane was used to perform the research in a laboratory environment. The liquid, exposed to research, represented synthetic wastewater, whose composition was similar to the one of urban wastewaters, and it had varied concentrations of suspended solids (MLSS). The membrane element, produced by Raifil (Republic of Korea), that has capillary

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Nagappan, Subbiah, David Phinney, and Dennis Heldman. "Management of Waste Streams from Dairy Manufacturing Operations Using Membrane Filtration and Dissolved Air Flotation." Applied Sciences 8, no. 12 (2018): 2694. http://dx.doi.org/10.3390/app8122694.

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Membrane filtration can provide a significant role in the management of waste streams from food manufacturing operations. The objective of this research was to evaluate the reductions in the organic content of waste streams accomplished when using membrane filtration. Reductions in Chemical Oxygen Demand (COD) by membrane filtration were compared to a Dissolved Air Floatation (DAF) system. Membranes with six different pore sizes (200, 20, 8, 4, 0.083, and 0.058 kDa) were evaluated. In addition, the various membrane treatments were applied after the DAF as an additional level of comparison. The

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He, Yang, Haijun Liu, and Weijun Ying. "Constructing Stable Polyvinyl Alcohol/Gelatin/Cellulose Nanocrystals Composite Electrospun Membrane with Excellent Filtration Efficiency for PM2.5." Polymers 16, no. 12 (2024): 1656. http://dx.doi.org/10.3390/polym16121656.

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Considering the high demand for air quality, the development of biomass-based air filtration membranes with high air filtration efficiency and good stability is an urgent task. In this work, polyvinyl alcohol (PVA), gelatin (GA), and cellulose nanocrystals (CNC) were mixed and prepared into a membrane through an electrospinning method for air filtration. After a hydrophobic modification, the modified PVA/GA/CNC composite membrane showed excellent filtration efficiency for PM2.5 (97.65%) through the internal three-dimensional structure barrier and the electrostatic capture effect of the CNC wit

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Arahman, Nasrul, Cut Meurah Rosnelly, Diki Sukma Windana, et al. "Antimicrobial Hydrophilic Membrane Formed by Incorporation of Polymeric Surfactant and Patchouli Oil." Polymers 13, no. 22 (2021): 3872. http://dx.doi.org/10.3390/polym13223872.

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Membrane properties are highly affected by the composition of the polymer solutions that make up the membrane material and their influence in the filtration performance on the separation or purification process. This paper studies the effects of the addition of pluronic (Plu) and patchouli oil (PO) in a polyethersulfone (PES) solution on the membrane morphology, membrane hydrophilicity, and filtration performance in the pesticide removal compound in the water sample. Three types of membranes with the composition of PES, PES + Plu, and PES + Plu + patchouli oil were prepared through a polymer p

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