Literatura científica selecionada sobre o tema "Membrane d’ultrafiltration en PES/PVP"
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Artigos de revistas sobre o assunto "Membrane d’ultrafiltration en PES/PVP"
Wai, Kok Poh, Chai Hoon Koo, Yean Ling Pang, Woon Chan Chong e Woei Jye Lau. "Synthesizing Ag/PDA/PES Antibacterial Membrane for Natural Organic Molecules Removal". E3S Web of Conferences 65 (2018): 05023. http://dx.doi.org/10.1051/e3sconf/20186505023.
Texto completo da fonteJunaidi, Nurul Fattin Diana, Nur Hidayati Othman, Munawar Zaman Shahruddin, Nur Hashimah Alias, Woe Jye Lau e Ahmad Fauzi Ismail. "Effect of graphene oxide (GO) and polyvinylpyrollidone (PVP) additives on the hydrophilicity of composite polyethersulfone (PES) membrane". Malaysian Journal of Fundamental and Applied Sciences 15, n.º 3 (25 de junho de 2019): 361–66. http://dx.doi.org/10.11113/mjfas.v15n3.1209.
Texto completo da fontePasaoglu, Mehmet Emin, Serkan Guclu e Ismail Koyuncu. "Polyethersulfone/polyacrylonitrile blended ultrafiltration membranes: preparation, morphology and filtration properties". Water Science and Technology 74, n.º 3 (4 de junho de 2016): 738–48. http://dx.doi.org/10.2166/wst.2016.252.
Texto completo da fonteDang, Jingchuan, Yatao Zhang, Zhan Du, Haoqin Zhang e Jindun Liu. "Antibacterial properties of PES/CuCl2 three-bore hollow fiber UF membrane". Water Science and Technology 66, n.º 4 (1 de agosto de 2012): 799–803. http://dx.doi.org/10.2166/wst.2012.238.
Texto completo da fonteHan, Mei, Qiang Liu, Baihai Su, Shudong Sun e Changsheng Zhao. "Bioinspired Polyethersulfone Membrane Design via Blending with Functional Polyurethane". International Journal of Polymer Science 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/2158124.
Texto completo da fonteGryta, Marek, e Piotr Woźniak. "The Resistance of Polyethersulfone Membranes on the Alkaline Cleaning Solutions". Membranes 14, n.º 2 (23 de janeiro de 2024): 27. http://dx.doi.org/10.3390/membranes14020027.
Texto completo da fonteAbdullah, Mohd Amirul Mukmin, Nur Aisyah Shafie, Mazrul Nizam Abu Seman e Syamsul B. Abdullah. "Performance Evaluation of Forward Osmosis Membranes for Desalination Applications". Chiang Mai Journal of Science 51, n.º 2 (29 de março de 2024): 1–14. http://dx.doi.org/10.12982/cmjs.2024.026.
Texto completo da fonteChen, Yifeng, Jingchuan Dang, Yatao Zhang, Haoqin Zhang e Jindun Liu. "Preparation and antibacterial property of PES/AgNO3 three-bore hollow fiber ultrafiltration membranes". Water Science and Technology 67, n.º 7 (1 de abril de 2013): 1519–24. http://dx.doi.org/10.2166/wst.2013.023.
Texto completo da fonteMohd Isa, Mohd Hafez, e Uswatun Hasanah Abdul Roni. "FABRICATION OF POLYETHERSULFONE – POLYITACONIC ACID (PES-PIA) MEMBRANE FOR REMOVAL OF REACTIVE RED 120". International Journal of Innovation and Industrial Revolution 5, n.º 14 (11 de setembro de 2023): 44–54. http://dx.doi.org/10.35631/ijirev.514003.
Texto completo da fonteZhao, Huyang, Ting He, Shuang Yao, Long Tao, Xinhai Zhang, Zhaohui Wang, Zhaoliang Cui e Rizhi Chen. "Improved Protein Removal Performance of PES Hollow-Fiber Ultrafiltration Membrane with Sponge-like Structure". Polymers 16, n.º 9 (25 de abril de 2024): 1194. http://dx.doi.org/10.3390/polym16091194.
Texto completo da fonteTeses / dissertações sobre o assunto "Membrane d’ultrafiltration en PES/PVP"
Kavugho, Mission Sophie. "Formulation et étude de nouveaux détergents enzymatiques pour le nettoyage des membranes d'ultrafiltration de l'industrie laitière : développement et validation de méthodologies associées". Electronic Thesis or Diss., Université de Rennes (2023-....), 2024. http://www.theses.fr/2024URENS005.
Texto completo da fonteUltrafiltration (UF) of skim milk for standardization of the protein content for cheese making is a very common membrane process at industrial scale. However, fouling of the membranes with skim milk proteins causes a drop in productivity and constitutes a barrier to this process. Thus, the twice-daily cleaning/disinfection step is essential to restore the performance of the membrane and ensure health safety and product quality. It is generally carried out with alkaline and acidic formulated detergents, but it is also possible to use formulated enzymatic detergents which enjoy the reputation of being more effective. However, few fundamental studies exist on this subject, which this thesis aims to contribute to fill. The objective of this thesis was to develop new enzymatic detergents that are are effecient and compatible with the PES/PVP membrane widely used for skim milk UF. The target of the cleaning is a protein deposit. The approach was based on a methodology to aid the formulation of detergents based on the measurement of residual deposits on the membrane by ATR-FTIR: whether proteins, enzymes or other constituents of the detergents studied. Mutliple prototypes were formulated in collaboration with Kersia Company. Their evaluation followed 3 steps: i) rapid tests in a batch reactor (14 cm²) to select promising detergents according to their effectiveness in eliminating protein fouling, their cleanability and the integrity of the membrane in the short term, ii) transposition of promissing results under filtration conditions (127 cm²) also validating the filterability detergents, iii) finally, validation of detergent/membrane compatibility over the long term thanks to accelerated aging under microwave (3 cm²) and cleaning of the spiral wound membrane (6.8 cm²) for 52 hours
Pellegrin, Bastien. "Analyse multi-échelle de la dégradation de membranes d'ultrafiltration en polyethersulfone - poly(N-vinyl pyrrolidone) en conditions d'usage". Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2084/.
Texto completo da fonteMotivated by drinking water production plants reporting membrane failure issues, this study investigates the ageing of a commercially available PES / PVP UF hollow fiber. Proof is given that membrane degradation is mainly induced by sodium hypochlorite exposure. The effects on the PES chemical structure are limited, very low extend of chain scission occurs and the formation of an ortho-substituted phenol is observed as the main modification. Experiments show that the presence of PVP and/or PVP degradation products is a required condition for the PES oxidation to occur. On the other hand, PVP appears to be very sensitive to hypochlorite exposure. PVP radical oxidation mechanisms are identified presenting a maximal reaction rate for neutral to slightly basic pH and leading to the partial removal of the PVP degradation products from the membrane structure. Correlation of macroscopic and molecular characterizations demonstrates that PVP degradation is responsible for the membrane integrity loss (impairing selectivity and mechanical performance), while hypochlorite exposure also induces enhanced membrane / solutes interactions, leading to an accentuated fouling. The representativeness of static continuous hypochlorite exposure regarding the actual on-site membrane ageing is confirmed by the analysis of membranes extracted from an industrially operated module. Nevertheless, the hypochlorite dose parameter, widely used in the literature, is demonstrated to be inappropriate to describe the degradation rate: the hypochlorite concentration impact is shown to be dominating the exposure time impact on the degradation rate
Trabalhos de conferências sobre o assunto "Membrane d’ultrafiltration en PES/PVP"
Lubis, Mirna Rahmah, Umi Fathanah, Mukramah Yusuf, Syawaliah Muchtar, Cut Meurah Rosnelly, Suraiya Kamaruzzaman, Zuhra Zuhra, Rina Hazliani e Devi Rahmanda. "Preparation and characterization of polyethersulfone (PES) membrane with polyvinylpyrrolidone (PVP) as additive using non-solvent induced phase separation (NIPS) method". In THE 2ND NATIONAL CONFERENCE ON MATHEMATICS EDUCATION (NACOME) 2021: Mathematical Proof as a Tool for Learning Mathematics. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0114753.
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